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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 716 | lvd | 1 | #include "std.h" |
| 2 | |||
| 3 | #include "emul.h" |
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| 784 | DimkaM | 4 | #include "funcs.h" |
| 716 | lvd | 5 | #include "vars.h" |
| 6 | #include "draw.h" |
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| 7 | #include "memory.h" |
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| 8 | #include "atm.h" |
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| 784 | DimkaM | 9 | #include "profi.h" |
| 10 | #include "sndrender/sndcounter.h" |
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| 716 | lvd | 11 | #include "sound.h" |
| 12 | #include "gs.h" |
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| 13 | #include "sdcard.h" |
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| 14 | #include "zc.h" |
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| 15 | #include "tape.h" |
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| 730 | lvd | 16 | #include "zxevo.h" |
| 800 | DimkaM | 17 | #include "upd765.h" |
| 819 | DimkaM | 18 | #include "zxusbnet.h" |
| 716 | lvd | 19 | |
| 20 | void out(unsigned port, unsigned char val) |
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| 21 | { |
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| 22 | port &= 0xFFFF; |
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| 23 | u8 p1 = (port & 0xFF); |
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| 24 | brk_port_out = port; brk_port_val = val; |
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| 25 | |||
| 26 | // 8 |
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| 784 | DimkaM | 27 | |
| 28 | if(conf.ula_plus) |
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| 29 | { |
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| 30 | if(port == 0xBF3B) |
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| 31 | { |
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| 32 | comp.ula_plus_group = val >> 6; |
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| 33 | if(comp.ula_plus_group == 0) |
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| 34 | { |
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| 35 | comp.ula_plus_pal_idx = val & 0x3F; |
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| 36 | } |
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| 37 | return; |
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| 38 | } |
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| 39 | |||
| 40 | if(port == 0xFF3B) |
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| 41 | { |
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| 42 | if(comp.ula_plus_group == 0) |
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| 43 | { |
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| 44 | comp.comp_pal[comp.ula_plus_pal_idx] = val; |
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| 45 | temp.comp_pal_changed = 1; |
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| 46 | return; |
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| 47 | } |
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| 48 | |||
| 49 | if(comp.ula_plus_group == 1) |
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| 50 | { |
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| 51 | bool en = (val & 1) != 0; |
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| 52 | if(comp.ula_plus_en != en) |
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| 53 | { |
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| 54 | comp.ula_plus_en = en; |
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| 55 | if(comp.ula_plus_en) |
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| 56 | { |
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| 57 | temp.rflags |= RF_COMPPAL | RF_PALB; |
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| 58 | } |
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| 59 | else |
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| 60 | { |
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| 61 | temp.rflags &= unsigned(~(RF_COMPPAL | RF_PALB)); |
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| 62 | } |
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| 63 | video_color_tables(); |
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| 64 | temp.comp_pal_changed = 1; |
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| 65 | } |
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| 66 | return; |
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| 67 | } |
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| 68 | return; |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 716 | lvd | 72 | #ifdef MOD_GS |
| 73 | // 10111011 | BB |
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| 74 | // 10110011 | B3 |
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| 75 | // 00110011 | 33 |
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| 76 | if ((port & 0xFF) == 0x33 && conf.gs_type) // 33 |
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| 77 | { |
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| 784 | DimkaM | 78 | out_gs(p1, val); |
| 716 | lvd | 79 | return; |
| 80 | } |
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| 81 | if ((port & 0xF7) == 0xB3 && conf.gs_type) // BB, B3 |
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| 82 | { |
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| 784 | DimkaM | 83 | out_gs(p1, val); |
| 716 | lvd | 84 | return; |
| 85 | } |
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| 86 | #endif |
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| 87 | |||
| 88 | // z-controller |
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| 730 | lvd | 89 | if (conf.zc && (port & 0xFF) == 0x57 ) |
| 716 | lvd | 90 | { |
| 730 | lvd | 91 | if ((port & 0x80FF) == 0x8057 && conf.mem_model == MM_ATM3 |
| 92 | &&(comp.flags & CF_DOSPORTS)) |
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| 93 | return; |
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| 716 | lvd | 94 | Zc.Wr(port, val); |
| 95 | return; |
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| 96 | } |
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| 819 | DimkaM | 97 | |
| 98 | if(conf.wiznet && (port & 0xff) == 0xab ){ |
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| 99 | pXXAB_Write(port,val); |
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| 100 | return; |
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| 101 | } |
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| 716 | lvd | 102 | // divide nemo |
| 103 | if(conf.ide_scheme == IDE_NEMO_DIVIDE) |
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| 104 | { |
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| 105 | if((port & 0x1E) == 0x10) // rrr1000x |
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| 106 | { |
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| 107 | if((port & 0xFF) == 0x11) |
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| 108 | { |
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| 109 | comp.ide_write = val; |
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| 110 | comp.ide_hi_byte_w = 0; |
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| 111 | comp.ide_hi_byte_w1 = 1; |
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| 112 | return; |
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| 113 | } |
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| 114 | |||
| 115 | if((port & 0xFE) == 0x10) |
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| 116 | { |
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| 117 | comp.ide_hi_byte_w ^= 1; |
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| 118 | |||
| 119 | if(comp.ide_hi_byte_w1) // 0x11 ( ) |
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| 120 | { |
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| 121 | comp.ide_hi_byte_w1 = 0; |
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| 122 | } |
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| 123 | else |
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| 124 | { |
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| 125 | if(comp.ide_hi_byte_w) // |
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| 126 | { |
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| 127 | comp.ide_write = val; |
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| 128 | return; |
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| 129 | } |
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| 130 | else // ( write_hdd_5) |
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| 131 | { |
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| 132 | u8 tmp = comp.ide_write; |
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| 133 | comp.ide_write = val; |
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| 134 | val = tmp; |
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| 135 | } |
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| 136 | } |
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| 137 | } |
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| 138 | else |
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| 139 | { |
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| 140 | comp.ide_hi_byte_w = 0; |
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| 141 | } |
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| 142 | goto write_hdd_5; |
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| 143 | } |
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| 144 | else if((port & 0xFF) == 0xC8) |
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| 145 | { |
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| 146 | return hdd.write(8, val); |
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| 147 | } |
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| 148 | } |
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| 149 | |||
| 150 | if(conf.mem_model == MM_ATM3) |
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| 151 | { |
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| 847 | DimkaM | 152 | switch(port & 0xFF){ |
| 153 | case 0xBF: // |
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| 154 | if((comp.pBF ^ val) & comp.pBF & 8) // D3: 1->0 |
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| 155 | { |
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| 156 | nmi_pending = 1; |
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| 157 | trdos_in_nmi = comp.flags&CF_TRDOS; |
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| 158 | } |
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| 159 | comp.pBF = val; |
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| 160 | set_banks(); |
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| 161 | return; |
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| 162 | case 0xBE: // RAM0 3 |
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| 163 | if(cpu.nmi_in_progress&&(cpu.nmi_in_progress==conf.trdos_IORam)) |
||
| 164 | { |
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| 165 | if(trdos_in_nmi) |
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| 166 | comp.flags |= CF_SETDOSROM|CF_TRDOS; |
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| 167 | cpu.nmi_in_progress = false; |
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| 168 | set_banks(); |
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| 169 | return; |
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| 170 | } |
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| 171 | comp.pBE = 2; // nmi |
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| 172 | return; |
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| 173 | case 0xBD: // FDD |
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| 174 | switch(port & 0xEFFF){ |
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| 175 | case 0x00BD: |
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| 176 | comp.brk_addr &= 0xFF00; |
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| 177 | comp.brk_addr |= ((u16)val)&0x00FF; |
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| 178 | break; |
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| 179 | case 0x01BD: |
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| 180 | comp.brk_addr &= 0x00FF; |
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| 181 | comp.brk_addr |= ( ((u16)val) << 8 )&0xFF00; |
||
| 182 | break; |
||
| 183 | case 0x03BD: |
||
| 184 | comp.fddIO2Ram_mask = val; |
||
| 185 | break; |
||
| 186 | } |
||
| 187 | return; |
||
| 730 | lvd | 188 | } |
| 716 | lvd | 189 | } |
| 190 | |||
| 191 | if (comp.flags & CF_DOSPORTS) |
||
| 192 | { |
||
| 730 | lvd | 193 | if(conf.mem_model == MM_ATM3 && (p1 & 0x1F) == 0x0F && !(((p1 >> 5) - 1) & 4)) |
| 716 | lvd | 194 | { |
| 195 | // 2F = 001|01111b |
||
| 196 | // 4F = 010|01111b |
||
| 197 | // 6F = 011|01111b |
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| 198 | // 8F = 100|01111b |
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| 759 | dimkam | 199 | comp.wd_shadow[(p1 >> 5) - 1] = val; |
| 716 | lvd | 200 | } |
| 201 | if (conf.ide_scheme == IDE_ATM && (port & 0x1F) == 0x0F) |
||
| 202 | { |
||
| 203 | if (port & 0x100) { comp.ide_write = val; return; } |
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| 204 | write_hdd_5: |
||
| 205 | port >>= 5; |
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| 206 | write_hdd: |
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| 207 | port &= 7; |
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| 208 | if (port) |
||
| 209 | hdd.write(port, val); |
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| 210 | else |
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| 784 | DimkaM | 211 | hdd.write_data(unsigned(val | (comp.ide_write << 8))); |
| 716 | lvd | 212 | return; |
| 213 | } |
||
| 214 | |||
| 215 | if ((port & 0x18A3) == (0xFFFE & 0x18A3)) |
||
| 216 | { // SMUC |
||
| 217 | if (conf.smuc) |
||
| 218 | { |
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| 219 | if ((port & 0xA044) == (0xDFBA & 0xA044)) |
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| 220 | { // clock |
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| 221 | if (comp.pFFBA & 0x80) |
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| 222 | cmos_write(val); |
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| 223 | else |
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| 224 | comp.cmos_addr = val; |
||
| 225 | return; |
||
| 226 | } |
||
| 227 | if ((port & 0xA044) == (0xFFBA & 0xA044)) |
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| 228 | { // SMUC system port |
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| 229 | if ((val & 1) && (conf.ide_scheme == IDE_SMUC)) |
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| 230 | hdd.reset(); |
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| 231 | comp.nvram.write(val); |
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| 232 | comp.pFFBA = val; |
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| 233 | return; |
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| 234 | } |
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| 235 | if ((port & 0xA044) == (0x7FBA & 0xA044)) |
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| 236 | { |
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| 237 | comp.p7FBA = val; |
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| 238 | return; |
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| 239 | } |
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| 240 | } |
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| 241 | if ((port & 0x8044) == (0xFFBE & 0x8044) && conf.ide_scheme == IDE_SMUC) |
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| 242 | { // FFBE, FEBE |
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| 243 | if(comp.pFFBA & 0x80) |
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| 244 | { |
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| 245 | if(!(port & 0x100)) |
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| 246 | hdd.write(8, val); // control register |
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| 247 | return; |
||
| 248 | } |
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| 249 | |||
| 250 | if (!(port & 0x2000)) |
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| 251 | { |
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| 252 | comp.ide_write = val; |
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| 253 | return; |
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| 254 | } |
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| 255 | port >>= 8; |
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| 256 | goto write_hdd; |
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| 257 | } |
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| 258 | } |
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| 259 | |||
| 260 | if (conf.mem_model == MM_ATM710 || conf.mem_model == MM_ATM3) |
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| 261 | { |
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| 262 | if ((conf.mem_model == MM_ATM3) && ((port & 0x3FFF) == 0x37F7)) // x7f7 ATM3 4Mb memory manager |
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| 263 | { |
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| 264 | unsigned idx = ((comp.p7FFD & 0x10) >> 2) | ((port >> 14) & 3); |
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| 784 | DimkaM | 265 | comp.pFFF7[idx] = (comp.pFFF7[idx] & ~0x1FFU) | (val ^ 0xFF); // always ram |
| 716 | lvd | 266 | set_banks(); |
| 267 | return; |
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| 268 | } |
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| 269 | |||
| 270 | if (p1 == 0x77) // xx77 |
||
| 271 | { |
||
| 272 | set_atm_FF77(port, val); |
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| 273 | return; |
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| 274 | } |
||
| 275 | |||
| 730 | lvd | 276 | u32 mask = (conf.mem_model == MM_ATM3) ? /*0x3FFF*/ 0x0FFF : 0x00FF; // lvd fix: pentevo hardware decodes fully only low byte, |
| 277 | // so using eff7 in shadow mode lead to outting to fff7, |
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| 278 | // unlike this was in unreal! |
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| 716 | lvd | 279 | if ((port & mask) == (0x3FF7 & mask)) // xff7 |
| 280 | { |
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| 784 | DimkaM | 281 | comp.pFFF7[((comp.p7FFD & 0x10) >> 2) | ((port >> 14) & 3)] = unsigned(((val & 0xC0) << 2) | (val & 0x3F)) ^ 0x33FU; |
| 716 | lvd | 282 | set_banks(); |
| 283 | return; |
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| 284 | } |
||
| 285 | |||
| 286 | if ((p1 & 0x9F) == 0x9F && !(comp.aFF77 & 0x4000)) |
||
| 287 | atm_writepal(val); // don't return - write to TR-DOS system port |
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| 288 | } |
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| 289 | |||
| 290 | if(conf.mem_model == MM_PROFI) |
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| 291 | { |
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| 292 | if((comp.p7FFD & 0x10) && (comp.pDFFD & 0x20)) // modified ports |
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| 293 | { |
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| 294 | // BDI ports |
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| 295 | if((p1 & 0x9F) == 0x83) // WD93 ports |
||
| 296 | { |
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| 297 | comp.wd.out((p1 & 0x60) | 0x1F, val); |
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| 298 | return; |
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| 299 | } |
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| 300 | |||
| 301 | if((p1 & 0xE3) == 0x23) // port FF |
||
| 302 | { |
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| 303 | comp.wd.out(0xFF, val); |
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| 304 | return; |
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| 305 | } |
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| 306 | |||
| 307 | // RTC |
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| 308 | if((port & 0x9F) == 0x9F && conf.cmos) |
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| 309 | { |
||
| 310 | if(port & 0x20) |
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| 311 | { |
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| 312 | comp.cmos_addr = val; |
||
| 313 | return; |
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| 314 | } |
||
| 315 | cmos_write(val); |
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| 316 | return; |
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| 317 | } |
||
| 318 | |||
| 319 | // IDE (AB=10101011, CB=11001011, EB=11101011) |
||
| 320 | if ((p1 & 0x9F) == 0x8B && (conf.ide_scheme == IDE_PROFI)) |
||
| 321 | { |
||
| 322 | if(p1 & 0x40) |
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| 323 | { // cs1 |
||
| 324 | if (!(p1 & 0x20)) |
||
| 325 | { |
||
| 326 | comp.ide_write = val; |
||
| 327 | return; |
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| 328 | } |
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| 329 | port >>= 8; |
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| 330 | goto write_hdd; |
||
| 331 | } |
||
| 332 | |||
| 333 | // cs3 |
||
| 334 | if(p1 & 0x20) |
||
| 335 | { |
||
| 336 | if(((port>>8) & 7) == 6) |
||
| 337 | hdd.write(8, val); |
||
| 338 | return; |
||
| 339 | } |
||
| 340 | } |
||
| 341 | } |
||
| 342 | else |
||
| 343 | { |
||
| 344 | // BDI ports |
||
| 345 | if((p1 & 0x83) == 0x03) // WD93 ports 1F, 3F, 5F, 7F |
||
| 346 | { |
||
| 347 | comp.wd.out((p1 & 0x60) | 0x1F,val); |
||
| 348 | return; |
||
| 349 | } |
||
| 350 | |||
| 351 | if((p1 & 0xE3) == ((comp.pDFFD & 0x20) ? 0xA3 : 0xE3)) // port FF |
||
| 352 | { |
||
| 353 | comp.wd.out(0xFF,val); |
||
| 354 | return; |
||
| 355 | } |
||
| 356 | } |
||
| 357 | } // profi |
||
| 358 | |||
| 359 | if(conf.mem_model == MM_QUORUM /* && !(comp.p00 & Q_TR_DOS)*/) // cpm ports |
||
| 360 | { |
||
| 361 | if((p1 & 0xFC) == 0x80) // 80, 81, 82, 83 |
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| 362 | { |
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| 784 | DimkaM | 363 | p1 = u8(((p1 & 3) << 5) | 0x1F); |
| 716 | lvd | 364 | |
| 365 | comp.wd.out(p1, val); |
||
| 366 | return; |
||
| 367 | } |
||
| 368 | |||
| 369 | if(p1 == 0x85) // 85 |
||
| 370 | { |
||
| 371 | // 01 -> 00 A |
||
| 372 | // 10 -> 01 B |
||
| 373 | // 00 -> 11 D (unused) |
||
| 374 | // 11 -> 11 D (unused) |
||
| 375 | static const u8 drv_decode[] = { 3, 0, 1, 3 }; |
||
| 376 | u8 drv = drv_decode[val & 3]; |
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| 377 | comp.wd.out(0xFF, ((val & ~3) ^ 0x10) | 0xCC | 8 | drv); |
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| 378 | return; |
||
| 379 | } |
||
| 380 | } // quorum |
||
| 381 | else if ((p1 & 0x1F) == 0x1F) // 1F, 3F, 5F, 7F, FF |
||
| 382 | { |
||
| 874 | dimkam | 383 | if(p1 & 0x80) { |
| 384 | comp.trdos_last_ff = val & 0x1f; |
||
| 385 | } |
||
| 873 | DimkaM | 386 | if((comp.flags & CF_TRDOS)&&conf.trdos_IORam&&(bankr[0]==base_dos_rom)&&(p1 & 0x80)){ |
| 387 | comp.wd.out(p1, val); |
||
| 388 | if((1<<comp.wd.drive)&comp.fddIO2Ram_mask){ |
||
| 389 | trdos_in_nmi = comp.flags&CF_TRDOS; |
||
| 390 | cpu.nmi_in_progress=conf.trdos_IORam; |
||
| 391 | set_banks(); |
||
| 392 | } |
||
| 393 | }else if((comp.flags & CF_TRDOS)&&conf.trdos_IORam |
||
| 765 | dimkam | 394 | &&(1<<comp.wd.drive)&comp.fddIO2Ram_mask&&(bankr[0]==base_dos_rom)){ |
| 759 | dimkam | 395 | trdos_in_nmi = comp.flags&CF_TRDOS; |
| 396 | cpu.nmi_in_progress=conf.trdos_IORam; |
||
| 397 | set_banks(); |
||
| 398 | }else{ |
||
| 873 | DimkaM | 399 | comp.wd.out(p1, val); |
| 759 | dimkam | 400 | } |
| 716 | lvd | 401 | return; |
| 402 | } |
||
| 403 | // don't return - out to port #FE works in trdos! |
||
| 404 | } |
||
| 405 | else // dos |
||
| 406 | { |
||
| 800 | DimkaM | 407 | if((p1 == 0x3F) && (conf.sound.ay_scheme == AY_SCHEME_FULLER)) // fuller AY register select |
| 408 | { |
||
| 409 | ay[0].select(val); |
||
| 410 | return; |
||
| 411 | } |
||
| 412 | if((p1 == 0x5F) && (conf.sound.ay_scheme == AY_SCHEME_FULLER)) // fuller AY data |
||
| 413 | { |
||
| 414 | ay[0].write(temp.sndblock ? 0 : cpu.t, val); |
||
| 415 | return; |
||
| 416 | } |
||
| 417 | |||
| 716 | lvd | 418 | if(((port & 0xA3) == 0xA3) && (conf.ide_scheme == IDE_DIVIDE)) |
| 419 | { |
||
| 420 | if((port & 0xFF) == 0xA3) |
||
| 421 | { |
||
| 422 | comp.ide_hi_byte_w ^= 1; |
||
| 423 | if(comp.ide_hi_byte_w) |
||
| 424 | { |
||
| 425 | comp.ide_write = val; |
||
| 426 | return; |
||
| 427 | } |
||
| 428 | u8 tmp = comp.ide_write; |
||
| 429 | comp.ide_write = val; |
||
| 430 | val = tmp; |
||
| 431 | } |
||
| 432 | else |
||
| 433 | { |
||
| 434 | comp.ide_hi_byte_w = 0; |
||
| 435 | } |
||
| 436 | port >>= 2; |
||
| 437 | goto write_hdd; |
||
| 438 | } |
||
| 439 | |||
| 440 | if ((unsigned char)port == 0x1F && conf.sound.ay_scheme == AY_SCHEME_POS) |
||
| 441 | { |
||
| 442 | comp.active_ay = val & 1; |
||
| 443 | return; |
||
| 444 | } |
||
| 445 | |||
| 446 | if (!(port & 6) && (conf.ide_scheme == IDE_NEMO || conf.ide_scheme == IDE_NEMO_A8)) |
||
| 447 | { |
||
| 448 | unsigned hi_byte = (conf.ide_scheme == IDE_NEMO)? (port & 1) : (port & 0x100); |
||
| 449 | if (hi_byte) |
||
| 450 | { |
||
| 451 | comp.ide_write = val; |
||
| 452 | return; |
||
| 453 | } |
||
| 454 | if ((port & 0x18) == 0x08) |
||
| 455 | { |
||
| 456 | if ((port & 0xE0) == 0xC0) |
||
| 457 | hdd.write(8, val); |
||
| 458 | return; |
||
| 459 | } // CS1=0,CS0=1,reg=6 |
||
| 460 | if ((port & 0x18) != 0x10) |
||
| 461 | return; // invalid CS0,CS1 |
||
| 462 | goto write_hdd_5; |
||
| 463 | } |
||
| 464 | } |
||
| 465 | |||
| 466 | if((port & 0xFF) == 0x00 && conf.mem_model == MM_QUORUM) |
||
| 467 | { |
||
| 468 | comp.p00 = val; |
||
| 469 | set_banks(); |
||
| 470 | return; |
||
| 471 | } |
||
| 472 | |||
| 473 | #ifdef MOD_VID_VD |
||
| 474 | if ((unsigned char)port == 0xDF) |
||
| 475 | { |
||
| 476 | comp.pVD = val; |
||
| 477 | comp.vdbase = (comp.pVD & 4)? vdmem[comp.pVD & 3] : 0; |
||
| 478 | return; |
||
| 479 | } |
||
| 480 | #endif |
||
| 481 | |||
| 482 | // port #FE |
||
| 483 | bool pFE; |
||
| 484 | |||
| 485 | // scorp xx1xxx10 /dos=1 (sc16 green) |
||
| 800 | DimkaM | 486 | if((conf.mem_model == MM_SCORP || conf.mem_model == MM_PROFSCORP)) |
| 487 | pFE = ((port & 0x23) == (0xFE & 0x23)) && !(comp.flags & CF_DOSPORTS); |
||
| 716 | lvd | 488 | else if(conf.mem_model == MM_QUORUM) // 1xx11xx0 |
| 489 | pFE = ((port & 0x99) == (0xFE & 0x99)); |
||
| 490 | else // others xxxxxxx0 |
||
| 491 | pFE = !(port & 1); |
||
| 492 | |||
| 493 | if (pFE) |
||
| 494 | { |
||
| 495 | //[vv] assert(!(val & 0x08)); |
||
| 496 | |||
| 497 | spkr_dig = (val & 0x10) ? conf.sound.beeper_vol : 0; |
||
| 498 | mic_dig = (val & 0x08) ? conf.sound.micout_vol : 0; |
||
| 499 | |||
| 500 | // speaker & mic |
||
| 501 | if ((comp.pFE ^ val) & 0x18) |
||
| 502 | { |
||
| 503 | // __debugbreak(); |
||
| 504 | flush_dig_snd(); |
||
| 505 | } |
||
| 506 | |||
| 507 | |||
| 508 | unsigned char new_border = (val & 7); |
||
| 509 | if (conf.mem_model == MM_ATM710 || conf.mem_model == MM_ATM3 || conf.mem_model == MM_ATM450) |
||
| 730 | lvd | 510 | new_border |= ((port & 8) ^ 8); |
| 716 | lvd | 511 | if (comp.border_attr ^ new_border) |
| 512 | update_screen(); |
||
| 513 | comp.border_attr = new_border; |
||
| 514 | |||
| 515 | if (conf.mem_model == MM_ATM450) |
||
| 516 | set_atm_aFE((unsigned char)port); |
||
| 517 | |||
| 518 | if (conf.mem_model == MM_PROFI) |
||
| 519 | { |
||
| 520 | if(!(port & 0x80) && (comp.pDFFD & 0x80)) |
||
| 521 | { |
||
| 784 | DimkaM | 522 | profi_writepal(u8(~(port >> 8))); |
| 716 | lvd | 523 | } |
| 524 | } |
||
| 525 | |||
| 526 | comp.pFE = val; |
||
| 527 | // do not return! intro to navy seals (by rst7) uses out #FC for to both FE and 7FFD |
||
| 528 | } |
||
| 529 | |||
| 530 | // #xD |
||
| 531 | if (!(port & 2)) |
||
| 532 | { |
||
| 533 | |||
| 534 | if (conf.sound.covoxDD && (unsigned char)port == 0xDD) |
||
| 535 | { // port DD - covox |
||
| 536 | // __debugbreak(); |
||
| 537 | flush_dig_snd(); |
||
| 538 | covDD_vol = val*conf.sound.covoxDD_vol/0x100; |
||
| 539 | return; |
||
| 540 | } |
||
| 541 | |||
| 542 | if (!(port & 0x8000)) // zx128 port |
||
| 543 | { |
||
| 800 | DimkaM | 544 | // 0001xxxxxxxxxx0x (bcig4) // 1FFD |
| 545 | // 0010xxxxxxxxxx0x (bcig4) // 2FFD |
||
| 546 | // 0011xxxxxxxxxx0x (bcig4) // 3FFD |
||
| 547 | if((port & (3 << 14)) == 0 && conf.mem_model == MM_PLUS3) |
||
| 548 | { |
||
| 549 | unsigned Idx = (port >> 12) & 3; |
||
| 550 | switch(Idx) |
||
| 551 | { |
||
| 552 | case 1: // 1FFD |
||
| 553 | goto set1FFD; |
||
| 554 | case 3: // 3FFD |
||
| 555 | Upd765.out(val); |
||
| 556 | return; |
||
| 557 | } |
||
| 558 | } |
||
| 716 | lvd | 559 | |
| 560 | if ((port & 0xC003) == (0x1FFD & 0xC003) && conf.mem_model == MM_KAY) |
||
| 561 | goto set1FFD; |
||
| 562 | |||
| 563 | // 00xxxxxxxx1xxx01 (sc16 green) |
||
| 564 | if ((port & 0xC023) == (0x1FFD & 0xC023) && (conf.mem_model == MM_SCORP || conf.mem_model == MM_PROFSCORP)) |
||
| 565 | { |
||
| 566 | set1FFD: |
||
| 567 | comp.p1FFD = val; |
||
| 568 | set_banks(); |
||
| 569 | return; |
||
| 570 | } |
||
| 571 | |||
| 572 | // gmx |
||
| 573 | if(port == 0x7EFD && conf.mem_model == MM_PROFSCORP) |
||
| 574 | { |
||
| 575 | comp.p7EFD = val; |
||
| 576 | set_banks(); |
||
| 577 | return; |
||
| 578 | } |
||
| 579 | |||
| 580 | if (conf.mem_model == MM_ATM450 && (port & 0x8202) == (0x7DFD & 0x8202)) |
||
| 581 | { |
||
| 582 | atm_writepal(val); |
||
| 583 | return; |
||
| 584 | } |
||
| 585 | |||
| 586 | // if (conf.mem_model == MM_ATM710 && (port & 0x8202) != (0x7FFD & 0x8202)) return; // strict 7FFD decoding on ATM-2 |
||
| 587 | |||
| 588 | // 01xxxxxxxx1xxx01 (sc16 green) |
||
| 589 | if ((port & 0xC023) != (0x7FFD & 0xC023) && (conf.mem_model == MM_SCORP || conf.mem_model == MM_PROFSCORP)) |
||
| 590 | return; |
||
| 591 | // 0xxxxxxxxxx11x0x |
||
| 592 | if ((port & 0x801A) != (0x7FFD & 0x801A) && (conf.mem_model == MM_QUORUM)) |
||
| 593 | return; |
||
| 594 | |||
| 595 | // 7FFD |
||
| 596 | if (comp.p7FFD & 0x20) |
||
| 597 | { // 48k lock |
||
| 598 | // #EFF7.2 forces lock |
||
| 599 | if ((comp.pEFF7 & EFF7_LOCKMEM) && conf.mem_model == MM_PENTAGON && conf.ramsize == 1024) |
||
| 600 | return; |
||
| 601 | |||
| 730 | lvd | 602 | if ((comp.pEFF7 & EFF7_LOCKMEM) && conf.mem_model == MM_ATM3) // lvd added eff7 to atm3 |
| 603 | return; |
||
| 604 | |||
| 605 | |||
| 606 | // if not pentagon-1024 or pentevo (atm3) --(added by lvd)-- or profi with #DFFD.4 set, apply lock |
||
| 716 | lvd | 607 | if (!((conf.ramsize == 1024 && conf.mem_model == MM_PENTAGON) || |
| 730 | lvd | 608 | (conf.mem_model == MM_ATM3) || |
| 716 | lvd | 609 | (conf.mem_model == MM_PROFI && (comp.pDFFD & 0x10)))) // molodcov_alex |
| 610 | return; |
||
| 611 | } |
||
| 612 | |||
| 613 | if ((comp.p7FFD ^ val) & 0x08) |
||
| 614 | update_screen(); |
||
| 615 | |||
| 616 | comp.p7FFD = val; |
||
| 617 | set_banks(); |
||
| 618 | return; |
||
| 619 | } |
||
| 620 | |||
| 621 | // xx0xxxxxxxxxxx0x (3.2) [vv] |
||
| 622 | if ((port & 0x2002) == (0xDFFD & 0x2002) && conf.mem_model == MM_PROFI) |
||
| 623 | { |
||
| 624 | comp.pDFFD = val; |
||
| 625 | set_banks(); |
||
| 626 | return; |
||
| 627 | } |
||
| 628 | |||
| 629 | if (conf.mem_model == MM_ATM450 && (port & 0x8202) == (0xFDFD & 0x8202)) |
||
| 630 | { |
||
| 631 | comp.pFDFD = val; |
||
| 632 | set_banks(); |
||
| 633 | return; |
||
| 634 | } |
||
| 635 | |||
| 636 | // 1x0xxxxxxxx11x0x |
||
| 637 | if ((port & 0xA01A) == (0x80FD & 0xA01A) && conf.mem_model == MM_QUORUM) |
||
| 638 | { |
||
| 639 | comp.p80FD = val; |
||
| 640 | set_banks(); |
||
| 641 | return; |
||
| 642 | } |
||
| 643 | |||
| 800 | DimkaM | 644 | if ((port & 0xC0FF) == 0xC0FD && conf.sound.ay_scheme >= AY_SCHEME_SINGLE) |
| 716 | lvd | 645 | { // A15=A14=1, FxFD - AY select register |
| 745 | DimkaM | 646 | if ((conf.sound.ay_scheme == AY_SCHEME_CHRV) && ((val & 0xF0) == 0xF0)) //Alone Coder |
| 716 | lvd | 647 | { |
| 745 | DimkaM | 648 | if (conf.sound.ay_chip == (SNDCHIP::CHIP_YM2203)) |
| 877 | DimkaM | 649 | { |
| 650 | comp.tfmstat = val; |
||
| 651 | fmsoundon0 = val & 4; |
||
| 652 | tfmstatuson0 = val & 2; |
||
| 653 | } //Alone Coder 0.36.6 |
||
| 745 | DimkaM | 654 | comp.active_ay = val & 1; |
| 655 | return; |
||
| 716 | lvd | 656 | }; |
| 745 | DimkaM | 657 | if((conf.sound.saa1099 == SAA_TFM_PRO)&&((comp.tfmstat&CF_TFM_SAA)==0)){ |
| 658 | Saa1099.WrCtl(val); |
||
| 659 | }else{ |
||
| 660 | unsigned n_ay = (conf.sound.ay_scheme == AY_SCHEME_QUADRO)? (port >> 12) & 1 : comp.active_ay; |
||
| 661 | ay[n_ay].select(val); |
||
| 662 | } |
||
| 716 | lvd | 663 | return; |
| 664 | } |
||
| 665 | |||
| 666 | if ((port & 0xC000)==0x8000 && conf.sound.ay_scheme) |
||
| 667 | { // BFFD - AY data register |
||
| 745 | DimkaM | 668 | if((conf.sound.saa1099 == SAA_TFM_PRO)&&((comp.tfmstat&CF_TFM_SAA)==0)){ |
| 669 | Saa1099.WrData(temp.sndblock ? 0 : cpu.t, val); |
||
| 670 | }else{ |
||
| 671 | unsigned n_ay = (conf.sound.ay_scheme == AY_SCHEME_QUADRO)? (port >> 12) & 1 : comp.active_ay; |
||
| 672 | ay[n_ay].write(temp.sndblock? 0 : cpu.t, val); |
||
| 673 | if (conf.input.mouse == 2 && ay[n_ay].get_activereg() == 14) |
||
| 674 | input.aymouse_wr(val); |
||
| 675 | } |
||
| 716 | lvd | 676 | return; |
| 677 | } |
||
| 678 | return; |
||
| 679 | } |
||
| 680 | |||
| 681 | if (conf.sound.sd && (port & 0xAF) == 0x0F) |
||
| 682 | { // soundrive |
||
| 683 | // __debugbreak(); |
||
| 684 | if ((unsigned char)port == 0x0F) comp.p0F = val; |
||
| 685 | if ((unsigned char)port == 0x1F) comp.p1F = val; |
||
| 686 | if ((unsigned char)port == 0x4F) comp.p4F = val; |
||
| 687 | if ((unsigned char)port == 0x5F) comp.p5F = val; |
||
| 688 | flush_dig_snd(); |
||
| 689 | sd_l = (conf.sound.sd_vol * (comp.p0F+comp.p1F)) >> 8; |
||
| 690 | sd_r = (conf.sound.sd_vol * (comp.p4F+comp.p5F)) >> 8; |
||
| 691 | return; |
||
| 692 | } |
||
| 693 | if (conf.sound.covoxFB && !(port & 4)) |
||
| 694 | { // port FB - covox |
||
| 695 | // __debugbreak(); |
||
| 696 | flush_dig_snd(); |
||
| 697 | covFB_vol = val*conf.sound.covoxFB_vol/0x100; |
||
| 698 | return; |
||
| 699 | } |
||
| 700 | |||
| 745 | DimkaM | 701 | if (conf.sound.saa1099 == SAA_ZXM && ((port & 0xFF) == 0xFF)) // saa1099 |
| 716 | lvd | 702 | { |
| 703 | if(port & 0x100) |
||
| 704 | Saa1099.WrCtl(val); |
||
| 705 | else |
||
| 706 | Saa1099.WrData(temp.sndblock? 0 : cpu.t, val); |
||
| 707 | return; |
||
| 708 | } |
||
| 709 | |||
| 791 | DimkaM | 710 | if( (port == 0xEFF7) && ( (conf.mem_model==MM_PENTAGON) || (conf.mem_model==MM_ATM3) |
| 711 | || conf.mem_model == MM_ATM710 ) ) // lvd added eff7 to atm3 |
||
| 716 | lvd | 712 | { |
| 713 | unsigned char oldpEFF7 = comp.pEFF7; //Alone Coder 0.36.4 |
||
| 714 | comp.pEFF7 = (comp.pEFF7 & conf.EFF7_mask) | (val & ~conf.EFF7_mask); |
||
| 791 | DimkaM | 715 | if(conf.mem_model == MM_ATM710) |
| 716 | return; |
||
| 716 | lvd | 717 | comp.pEFF7 |= EFF7_GIGASCREEN; // [vv] disable turbo |
| 718 | // if ((comp.pEFF7 ^ oldpEFF7) & EFF7_GIGASCREEN) { |
||
| 719 | // conf.frame = frametime; |
||
| 720 | // if ((conf.mem_model == MM_PENTAGON)&&(comp.pEFF7 & EFF7_GIGASCREEN))conf.frame = 71680; |
||
| 721 | // apply_sound(); |
||
| 722 | // } //Alone Coder removed 0.37.1 |
||
| 723 | |||
| 724 | if (!(comp.pEFF7 & EFF7_4BPP)) |
||
| 725 | { |
||
| 726 | temp.offset_vscroll = 0; |
||
| 727 | temp.offset_vscroll_prev = 0; |
||
| 728 | temp.offset_hscroll = 0; |
||
| 729 | temp.offset_hscroll_prev = 0; |
||
| 730 | } |
||
| 731 | |||
| 732 | if ((comp.pEFF7 ^ oldpEFF7) & (EFF7_ROCACHE | EFF7_LOCKMEM)) |
||
| 733 | set_banks(); //Alone Coder 0.36.4 |
||
| 734 | return; |
||
| 735 | } |
||
| 791 | DimkaM | 736 | if (conf.cmos && (((comp.pEFF7 & EFF7_CMOS) && |
| 737 | (conf.mem_model == MM_PENTAGON || conf.mem_model == MM_ATM710)) || |
||
| 738 | conf.mem_model == MM_ATM3)) |
||
| 716 | lvd | 739 | { |
| 784 | DimkaM | 740 | unsigned mask = (conf.mem_model == MM_ATM3 && (comp.flags & CF_DOSPORTS)) ? ~0x100U : 0xFFFF; |
| 716 | lvd | 741 | |
| 742 | if (port == (0xDFF7 & mask)) |
||
| 743 | { |
||
| 744 | comp.cmos_addr = val; |
||
| 745 | return; |
||
| 746 | } |
||
| 747 | if (port == (0xBFF7 & mask)) |
||
| 748 | { |
||
| 847 | DimkaM | 749 | /*if (comp.cmos_addr >= 0xF0 && (val & 0xf0) == 0x10 && conf.mem_model == MM_ATM3){ |
| 765 | dimkam | 750 | comp.fddIO2Ram_mask=val; |
| 847 | DimkaM | 751 | }else */ |
| 752 | if (comp.cmos_addr >= 0xF0 && val <= 2 && conf.mem_model == MM_ATM3) |
||
| 730 | lvd | 753 | {//thims added |
| 754 | if (val < 2) |
||
| 755 | { |
||
| 756 | input.buffer_enabled = false; |
||
| 757 | static unsigned version = 0; |
||
| 758 | if (!version) |
||
| 759 | { |
||
| 760 | unsigned day, year; |
||
| 761 | char month[8]; |
||
| 762 | static const char months[] = "JanFebMarAprMayJunJulAugSepOctNovDec"; |
||
| 763 | sscanf(__DATE__, "%s %d %d", month, &day, &year); |
||
| 764 | version = day | ((strstr(months, month) - months) / 3 + 1) << 5 | (year - 2000) << 9; |
||
| 765 | } |
||
| 766 | |||
| 767 | strcpy((char*)cmos + 0xF0, "UnrealSpeccy"); |
||
| 768 | *(unsigned*)(cmos + 0xFC) = version; |
||
| 769 | } |
||
| 770 | else input.buffer_enabled = true; |
||
| 771 | } |
||
| 772 | else cmos_write(val); |
||
| 773 | return; |
||
| 716 | lvd | 774 | } |
| 775 | } |
||
| 776 | if ((port & 0xF8FF) == 0xF8EF && modem.open_port) |
||
| 777 | modem.write((port >> 8) & 7, val); |
||
| 778 | } |
||
| 779 | |||
| 780 | __inline unsigned char in1(unsigned port) |
||
| 781 | { |
||
| 782 | port &= 0xFFFF; |
||
| 783 | brk_port_in = port; |
||
| 784 | |||
| 785 | u8 p1 = (port & 0xFF); |
||
| 786 | |||
| 787 | /* |
||
| 788 | if((port & 0xFF) == 0xF0) |
||
| 789 | __debugbreak(); |
||
| 790 | |||
| 791 | if((comp.flags & CF_DOSPORTS) && port == 0xFADF) |
||
| 792 | __debugbreak(); |
||
| 793 | */ |
||
| 794 | |||
| 795 | // 8 |
||
| 784 | DimkaM | 796 | |
| 797 | if(conf.ula_plus && port == 0xFF3B) |
||
| 798 | { |
||
| 799 | if(comp.ula_plus_group == 0) |
||
| 800 | { |
||
| 801 | return comp.comp_pal[comp.ula_plus_pal_idx]; |
||
| 802 | } |
||
| 803 | |||
| 804 | if(comp.ula_plus_group == 1) |
||
| 805 | { |
||
| 806 | u8 val = comp.ula_plus_en ? 1 : 0; |
||
| 807 | return val; |
||
| 808 | } |
||
| 809 | return 0xFF; |
||
| 810 | } |
||
| 811 | |||
| 716 | lvd | 812 | // ngs |
| 813 | #ifdef MOD_GS |
||
| 814 | if ((port & 0xF7) == 0xB3 && conf.gs_type) |
||
| 784 | DimkaM | 815 | return in_gs(p1); |
| 716 | lvd | 816 | #endif |
| 817 | |||
| 818 | // z-controller |
||
| 730 | lvd | 819 | if (conf.zc && (port & 0xFF) == 0x57) |
| 820 | { |
||
| 821 | // no shadow-mode ZXEVO patch here since 0x57 port in read mode is the same |
||
| 822 | // as in noshadow-mode, i.e. no A15 is used to decode port. |
||
| 823 | return Zc.Rd(port); |
||
| 824 | } |
||
| 819 | DimkaM | 825 | |
| 826 | if(conf.wiznet && (port & 0xff) == 0xab ){ |
||
| 827 | return pXXAB_Read(port); |
||
| 828 | } |
||
| 716 | lvd | 829 | |
| 830 | if(conf.mem_model == MM_ATM3) |
||
| 831 | { |
||
| 832 | // 3 |
||
| 833 | if((port & 0xFF) == 0xBF) |
||
| 834 | return comp.pBF; |
||
| 835 | |||
| 873 | DimkaM | 836 | if(((port & 0xFF) == 0xBE) || ((port & 0xFF) == 0xBD)) |
| 716 | lvd | 837 | { |
| 838 | u8 port_hi = (port >> 8) & 0xFF; |
||
| 839 | if((port_hi & ~7) == 0) // |
||
| 840 | { |
||
| 841 | unsigned PgIdx = port_hi & 7; |
||
| 842 | return (comp.pFFF7[PgIdx] & 0xFF) ^ 0xFF; |
||
| 843 | } |
||
| 844 | |||
| 845 | switch(port_hi) |
||
| 846 | { |
||
| 847 | case 0x8: // ram/rom |
||
| 848 | { |
||
| 849 | u8 RamRomMask = 0; |
||
| 850 | for(unsigned i = 0; i < 8; i++) |
||
| 851 | RamRomMask |= ((comp.pFFF7[i] >> 8) & 1) << i; |
||
| 852 | return ~RamRomMask; |
||
| 853 | } |
||
| 854 | case 0x9: //dos7ffd |
||
| 855 | { |
||
| 856 | u8 RamRomMask = 0; |
||
| 857 | for(unsigned i = 0; i < 8; i++) |
||
| 858 | RamRomMask |= ((comp.pFFF7[i] >> 9) & 1) << i; |
||
| 859 | return ~RamRomMask; |
||
| 860 | } |
||
| 861 | case 0xA: return comp.p7FFD; |
||
| 730 | lvd | 862 | case 0xB: return comp.pEFF7; // lvd - added EFF7 reading in pentevo (atm3) |
| 863 | |||
| 864 | // lvd: fixed bug with no-anding bits from aFF77, added CF_TRDOS to bit 4 |
||
| 865 | // lvd: changed bit 4 to dos state, remembered during nmi |
||
| 866 | case 0xC: return (((comp.aFF77 >> 14) << 7) & 0x0080) | (((comp.aFF77 >> 9) << 6) & 0x0040) | (((comp.aFF77 >> 8) << 5) & 0x0020) | (/*(comp.flags & CF_TRDOS)*/trdos_in_nmi?0x0010:0) | (comp.pFF77 & 0xF); |
||
| 716 | lvd | 867 | case 0xD: return atm_readpal(); |
| 730 | lvd | 868 | case 0xE: return zxevo_readfont(); |
| 869 | |||
| 870 | // breakpoint address readback |
||
| 871 | case 0x10: return comp.brk_addr&0x00FF; |
||
| 872 | case 0x11: return (comp.brk_addr>>8)&0x00FF; |
||
| 779 | dimkam | 873 | |
| 873 | DimkaM | 874 | //read fddIO2Ram_mask |
| 875 | case 0x13: return comp.fddIO2Ram_mask; |
||
| 876 | |||
| 779 | dimkam | 877 | //read scanline |
| 873 | DimkaM | 878 | case 0x14: return ((cpu.t / 224)>>1)&0x00FF; |
| 779 | dimkam | 879 | |
| 716 | lvd | 880 | } |
| 881 | } |
||
| 882 | } |
||
| 883 | |||
| 884 | // divide nemo |
||
| 885 | if(conf.ide_scheme == IDE_NEMO_DIVIDE) |
||
| 886 | { |
||
| 887 | if(((port & 0x1E) == 0x10)) // rrr1000x |
||
| 888 | { |
||
| 889 | if((port & 0xFF) == 0x11) |
||
| 890 | { |
||
| 891 | comp.ide_hi_byte_r = 0; |
||
| 892 | return comp.ide_read; |
||
| 893 | } |
||
| 894 | |||
| 895 | if((port & 0xFE) == 0x10) |
||
| 896 | { |
||
| 897 | comp.ide_hi_byte_r ^= 1; |
||
| 898 | if(!comp.ide_hi_byte_r) |
||
| 899 | { |
||
| 900 | return comp.ide_read; |
||
| 901 | } |
||
| 902 | } |
||
| 903 | else |
||
| 904 | { |
||
| 905 | comp.ide_hi_byte_r = 0; |
||
| 906 | } |
||
| 907 | goto read_hdd_5; |
||
| 908 | } |
||
| 909 | else if((port & 0xFF) == 0xC8) |
||
| 910 | { |
||
| 911 | return hdd.read(8); |
||
| 912 | } |
||
| 913 | } |
||
| 914 | |||
| 915 | // quorum additional keyboard port |
||
| 916 | if((conf.mem_model == MM_QUORUM) && ((port & 0xFF) == 0x7E)) |
||
| 917 | { |
||
| 784 | DimkaM | 918 | u8 val = input.read_quorum(u8(port >> 8)); |
| 716 | lvd | 919 | return val; |
| 920 | } |
||
| 921 | |||
| 922 | if (comp.flags & CF_DOSPORTS) |
||
| 923 | { |
||
| 730 | lvd | 924 | if(conf.mem_model == MM_ATM3 && (p1 & 0x1F) == 0x0F && !(((p1 >> 5) - 1) & 4)) |
| 716 | lvd | 925 | { |
| 926 | // 2F = 001|01111b |
||
| 927 | // 4F = 010|01111b |
||
| 928 | // 6F = 011|01111b |
||
| 929 | // 8F = 100|01111b |
||
| 759 | dimkam | 930 | return comp.wd_shadow[(p1 >> 5) - 1]; |
| 931 | |||
| 932 | } |
||
| 730 | lvd | 933 | |
| 716 | lvd | 934 | |
| 935 | if (conf.ide_scheme == IDE_ATM && (port & 0x1F) == 0x0F) |
||
| 936 | { |
||
| 937 | if (port & 0x100) |
||
| 938 | return comp.ide_read; |
||
| 939 | read_hdd_5: |
||
| 940 | port >>= 5; |
||
| 941 | read_hdd: |
||
| 942 | port &= 7; |
||
| 943 | if (port) |
||
| 944 | return hdd.read(port); |
||
| 945 | unsigned v = hdd.read_data(); |
||
| 946 | comp.ide_read = (unsigned char)(v >> 8); |
||
| 947 | return (unsigned char)v; |
||
| 948 | } |
||
| 949 | |||
| 950 | if ((port & 0x18A3) == (0xFFFE & 0x18A3)) |
||
| 951 | { // SMUC |
||
| 952 | if (conf.smuc) |
||
| 953 | { |
||
| 954 | if ((port & 0xA044) == (0xDFBA & 0xA044)) return cmos_read(); // clock |
||
| 955 | if ((port & 0xA044) == (0xFFBA & 0xA044)) return comp.nvram.out; // SMUC system port |
||
| 956 | if ((port & 0xA044) == (0x7FBA & 0xA044)) return comp.p7FBA | 0x3F; |
||
| 957 | if ((port & 0xA044) == (0x5FBA & 0xA044)) return 0x3F; |
||
| 958 | if ((port & 0xA044) == (0x5FBE & 0xA044)) return 0x57; |
||
| 959 | if ((port & 0xA044) == (0x7FBE & 0xA044)) return 0x57; |
||
| 960 | } |
||
| 961 | if ((port & 0x8044) == (0xFFBE & 0x8044) && conf.ide_scheme == IDE_SMUC) |
||
| 962 | { // FFBE, FEBE |
||
| 963 | if(comp.pFFBA & 0x80) |
||
| 964 | { |
||
| 965 | if(!(port & 0x100)) |
||
| 966 | return hdd.read(8); // alternate status |
||
| 967 | return 0xFF; // obsolete register |
||
| 968 | } |
||
| 969 | |||
| 970 | if (!(port & 0x2000)) |
||
| 971 | return comp.ide_read; |
||
| 972 | port >>= 8; |
||
| 973 | goto read_hdd; |
||
| 974 | } |
||
| 975 | } |
||
| 976 | |||
| 977 | if (conf.mem_model == MM_PROFI) // molodcov_alex |
||
| 978 | { |
||
| 979 | if((comp.p7FFD & 0x10) && (comp.pDFFD & 0x20)) |
||
| 980 | { // modified ports |
||
| 981 | // BDI ports |
||
| 982 | if((p1 & 0x9F) == 0x83) |
||
| 983 | return comp.wd.in((p1 & 0x60) | 0x1F); // WD93 ports (1F, 3F, 7F) |
||
| 984 | if((p1 & 0xE3) == 0x23) |
||
| 985 | return comp.wd.in(0xFF); // port FF |
||
| 986 | |||
| 987 | // RTC |
||
| 988 | if((port & 0x9F) == 0x9F && conf.cmos) |
||
| 989 | { |
||
| 990 | if(!(port & 0x20)) |
||
| 991 | return cmos_read(); |
||
| 992 | } |
||
| 993 | |||
| 994 | // IDE |
||
| 995 | if((p1 & 0x9F) == 0x8B && (conf.ide_scheme == IDE_PROFI)) |
||
| 996 | { |
||
| 997 | if(p1 & 0x40) // cs1 |
||
| 998 | { |
||
| 999 | if (p1 & 0x20) |
||
| 1000 | return comp.ide_read; |
||
| 1001 | port >>= 8; |
||
| 1002 | goto read_hdd; |
||
| 1003 | } |
||
| 1004 | } |
||
| 1005 | } |
||
| 1006 | else |
||
| 1007 | { |
||
| 1008 | // BDI ports |
||
| 1009 | if((p1 & 0x83) == 0x03) |
||
| 1010 | return comp.wd.in((p1 & 0x60) | 0x1F); // WD93 ports |
||
| 1011 | if((p1 & 0xE3) == ((comp.pDFFD & 0x20) ? 0xA3 : 0xE3)) |
||
| 1012 | return comp.wd.in(0xFF); // port FF |
||
| 1013 | } |
||
| 1014 | } |
||
| 1015 | |||
| 1016 | if(conf.mem_model == MM_QUORUM /* && !(comp.p00 & Q_TR_DOS) */) // cpm ports |
||
| 1017 | { |
||
| 1018 | if((p1 & 0xFC) == 0x80) // 80, 81, 82, 83 |
||
| 1019 | { |
||
| 784 | DimkaM | 1020 | p1 = u8(((p1 & 3) << 5) | 0x1F); |
| 716 | lvd | 1021 | return comp.wd.in(p1); |
| 1022 | } |
||
| 1023 | } |
||
| 1024 | // 1F = 0001|1111b |
||
| 1025 | // 3F = 0011|1111b |
||
| 1026 | // 5F = 0101|1111b |
||
| 1027 | // 7F = 0111|1111b |
||
| 1028 | // DF = 1101|1111b |
||
| 1029 | // FF = 1111|1111b |
||
| 759 | dimkam | 1030 | else if ((p1 & 0x9F) == 0x1F || p1 == 0xFF) {// 1F, 3F, 5F, 7F, FF |
| 765 | dimkam | 1031 | if((comp.flags & CF_TRDOS)&&conf.trdos_IORam |
| 874 | dimkam | 1032 | &&((1<<comp.wd.drive)&comp.fddIO2Ram_mask)&&(bankr[0]==base_dos_rom)){ |
| 759 | dimkam | 1033 | cpu.nmi_in_progress=conf.trdos_IORam; |
| 1034 | trdos_in_nmi = comp.flags&CF_TRDOS; |
||
| 1035 | set_banks(); |
||
| 1036 | return 0xff; |
||
| 1037 | }else{ |
||
| 873 | DimkaM | 1038 | if(conf.trdos_IORam && (p1&0x80)) return (comp.wd.in(p1) & 0xE0) | comp.trdos_last_ff; |
| 1039 | return comp.wd.in(p1); |
||
| 759 | dimkam | 1040 | } |
| 1041 | } |
||
| 716 | lvd | 1042 | } |
| 1043 | else // dos |
||
| 1044 | { |
||
| 1045 | if(((port & 0xA3) == 0xA3) && (conf.ide_scheme == IDE_DIVIDE)) |
||
| 1046 | { |
||
| 1047 | if((port & 0xFF) == 0xA3) |
||
| 1048 | { |
||
| 1049 | comp.ide_hi_byte_r ^= 1; |
||
| 1050 | if(!comp.ide_hi_byte_r) |
||
| 1051 | { |
||
| 1052 | return comp.ide_read; |
||
| 1053 | } |
||
| 1054 | } |
||
| 1055 | else |
||
| 1056 | { |
||
| 1057 | comp.ide_hi_byte_r = 0; |
||
| 1058 | } |
||
| 1059 | port >>= 2; |
||
| 1060 | goto read_hdd; |
||
| 1061 | } |
||
| 1062 | |||
| 1063 | |||
| 1064 | if (!(port & 6) && (conf.ide_scheme == IDE_NEMO || conf.ide_scheme == IDE_NEMO_A8)) |
||
| 1065 | { |
||
| 1066 | unsigned hi_byte = (conf.ide_scheme == IDE_NEMO)? (port & 1) : (port & 0x100); |
||
| 1067 | if(hi_byte) |
||
| 1068 | return comp.ide_read; |
||
| 1069 | comp.ide_read = 0xFF; |
||
| 1070 | if((port & 0x18) == 0x08) |
||
| 1071 | return ((port & 0xE0) == 0xC0)? hdd.read(8) : 0xFF; // CS1=0,CS0=1,reg=6 |
||
| 1072 | if((port & 0x18) != 0x10) |
||
| 1073 | return 0xFF; // invalid CS0,CS1 |
||
| 1074 | goto read_hdd_5; |
||
| 1075 | } |
||
| 1076 | } |
||
| 1077 | |||
| 1078 | |||
| 730 | lvd | 1079 | |
| 1080 | |||
| 1081 | if (!(port & 0x20)) |
||
| 716 | lvd | 1082 | { // kempstons |
| 1083 | port = (port & 0xFFFF) | 0xFA00; // A13,A15 not used in decoding |
||
| 1084 | if ((port == 0xFADF || port == 0xFBDF || port == 0xFFDF) && conf.input.mouse == 1) |
||
| 1085 | { // mouse |
||
| 1086 | input.mouse_joy_led |= 1; |
||
| 1087 | if (port == 0xFBDF) |
||
| 1088 | return input.kempston_mx(); |
||
| 1089 | if (port == 0xFFDF) |
||
| 1090 | return input.kempston_my(); |
||
| 1091 | return input.mbuttons; |
||
| 1092 | } |
||
| 1093 | input.mouse_joy_led |= 2; |
||
| 1094 | unsigned char res = (conf.input.kjoy)? input.kjoy : 0xFF; |
||
| 1095 | if (conf.mem_model == MM_SCORP || conf.mem_model == MM_PROFSCORP) |
||
| 1096 | res = (res & 0x1F) | (comp.wd.in(0xFF) & 0xE0); |
||
| 1097 | return res; |
||
| 1098 | } |
||
| 1099 | |||
| 784 | DimkaM | 1100 | // fuller joystick |
| 1101 | if((p1 == 0x7F) && conf.input.fjoy) |
||
| 1102 | { |
||
| 1103 | input.mouse_joy_led |= 2; |
||
| 1104 | return input.fjoy; |
||
| 1105 | } |
||
| 1106 | |||
| 716 | lvd | 1107 | // port #FE |
| 1108 | bool pFE; |
||
| 1109 | |||
| 1110 | // scorp xx1xxx10 (sc16) |
||
| 800 | DimkaM | 1111 | if((conf.mem_model == MM_SCORP || conf.mem_model == MM_PROFSCORP)) |
| 1112 | pFE = ((port & 0x23) == (0xFE & 0x23)) && !(comp.flags & CF_DOSPORTS); |
||
| 716 | lvd | 1113 | else if(conf.mem_model == MM_QUORUM) // 1xx11xx0 |
| 1114 | pFE = ((port & 0x99) == (0xFE & 0x99)); |
||
| 1115 | else // others xxxxxxx0 |
||
| 1116 | pFE = !(port & 1); |
||
| 1117 | |||
| 1118 | if (pFE) |
||
| 1119 | { |
||
| 784 | DimkaM | 1120 | if ((cpu.pc & 0xFFFF) == 0x0564 && bankr[0][0x0564]==0x1F && conf.tape_autostart && comp.tape.stopped) |
| 716 | lvd | 1121 | start_tape(); |
| 784 | DimkaM | 1122 | u8 val = input.read(u8(port >> 8)); |
| 716 | lvd | 1123 | if (conf.mem_model == MM_ATM450) |
| 1124 | val = (val & 0x7F) | atm450_z(cpu.t); |
||
| 1125 | return val; |
||
| 1126 | } |
||
| 1127 | |||
| 1128 | if ((port & 0x8202) == (0x7FFD & 0x8202) && (conf.mem_model == MM_ATM710 || conf.ide_scheme == IDE_ATM)) |
||
| 1129 | { // ATM-2 IDE+DAC/ADC |
||
| 1130 | unsigned char irq = 0x40; |
||
| 1131 | if (conf.ide_scheme == IDE_ATM) irq = (hdd.read_intrq() & 0x40); |
||
| 1132 | return irq + 0x3F; |
||
| 1133 | } |
||
| 1134 | |||
| 800 | DimkaM | 1135 | // 0001xxxxxxxxxx0x (bcig4) // 1FFD |
| 1136 | // 0010xxxxxxxxxx0x (bcig4) // 2FFD |
||
| 1137 | // 0011xxxxxxxxxx0x (bcig4) // 3FFD |
||
| 1138 | if((port & ((3 << 14) | 2)) == 0 && conf.mem_model == MM_PLUS3) |
||
| 716 | lvd | 1139 | { |
| 800 | DimkaM | 1140 | unsigned Idx = (port >> 12) & 3; |
| 1141 | switch(Idx) |
||
| 1142 | { |
||
| 1143 | case 2: // 2FFD |
||
| 1144 | return Upd765.in(Idx); |
||
| 1145 | case 3: // 3FFD |
||
| 1146 | return Upd765.in(Idx); |
||
| 1147 | } |
||
| 1148 | } |
||
| 1149 | |||
| 1150 | if ((unsigned char)port == 0xFD && conf.sound.ay_scheme >= AY_SCHEME_SINGLE) |
||
| 1151 | { |
||
| 877 | DimkaM | 1152 | if((conf.sound.ay_scheme == AY_SCHEME_CHRV) && (conf.sound.ay_chip == (SNDCHIP::CHIP_YM2203)) && (tfmstatuson0 == 0)) |
| 716 | lvd | 1153 | return 0x7f /*always ready*/; //Alone Coder 0.36.6 |
| 1154 | if ((port & 0xC0FF) != 0xC0FD) return 0xFF; |
||
| 1155 | unsigned n_ay = (conf.sound.ay_scheme == AY_SCHEME_QUADRO)? (port >> 12) & 1 : comp.active_ay; |
||
| 1156 | // else FxFD - read selected AY register |
||
| 1157 | if (conf.input.mouse == 2 && ay[n_ay].get_activereg() == 14) { input.mouse_joy_led |= 1; return input.aymouse_rd(); } |
||
| 1158 | return ay[n_ay].read(); |
||
| 1159 | } |
||
| 1160 | |||
| 1161 | // if ((port & 0x7F) == 0x7B) { // FB/7B |
||
| 1162 | if ((port & 0x04) == 0x00) |
||
| 1163 | { // FB/7B //Alone Coder 0.36.6 (for MODPLAYi) |
||
| 1164 | if (conf.mem_model == MM_ATM450) |
||
| 1165 | { |
||
| 1166 | comp.aFB = (unsigned char)port; |
||
| 1167 | set_banks(); |
||
| 1168 | } |
||
| 1169 | else if (conf.cache) |
||
| 1170 | { |
||
| 1171 | comp.flags &= ~CF_CACHEON; |
||
| 1172 | if (port & 0x80) comp.flags |= CF_CACHEON; |
||
| 1173 | set_banks(); |
||
| 1174 | } |
||
| 1175 | return 0xFF; |
||
| 1176 | } |
||
| 1177 | |||
| 791 | DimkaM | 1178 | if (conf.cmos && ((comp.pEFF7 & EFF7_CMOS) || conf.mem_model == MM_ATM3 || conf.mem_model == MM_ATM710)) |
| 716 | lvd | 1179 | { |
| 784 | DimkaM | 1180 | unsigned mask = (conf.mem_model == MM_ATM3 && (comp.flags & CF_DOSPORTS)) ? ~0x100U : 0xFFFF; |
| 716 | lvd | 1181 | if(port == (0xBFF7 & mask)) |
| 1182 | return cmos_read(); |
||
| 1183 | } |
||
| 1184 | |||
| 1185 | if ((port & 0xF8FF) == 0xF8EF && modem.open_port) |
||
| 1186 | return modem.read((port >> 8) & 7); |
||
| 1187 | |||
| 1188 | if (conf.portff && ((port & 0xFF) == 0xFF)) |
||
| 1189 | { |
||
| 1190 | update_screen(); |
||
| 1191 | if (vmode != 2) return 0xFF; // ray is not in paper |
||
| 1192 | unsigned ula_t = (cpu.t+temp.border_add) & temp.border_and; |
||
| 1193 | return temp.base[vcurr->atr_offs + (ula_t - vcurr[-1].next_t)/4]; |
||
| 1194 | } |
||
| 1195 | return 0xFF; |
||
| 1196 | } |
||
| 1197 | |||
| 1198 | unsigned char in(unsigned port) |
||
| 1199 | { |
||
| 1200 | brk_port_val = in1(port); |
||
| 1201 | return brk_port_val; |
||
| 1202 | } |
||
| 1203 | |||
| 1204 | #undef in_trdos |
||
| 1205 | #undef out_trdos |