;LAST UPDATE: 26.06.2013 savelij
;LINIT - initialization (hook on "P"-channel and printer init)
;LPRINT - print ZX simbol (with token decode)
;LBYTE - print simbol (without token decode)
;LCOPY - print screen
AY_PRN_SCR LD H,CRCCMOSHIGH;0XEF
CALL READCMOS
AND PRINTER_AY
JR NZ,AY_PRN_SCR1
LD HL,0X0EAF
LD (RADRRET_L),HL
LD A,0XB0
LD (RREG_B),A
RET
AY_PRN_SCR1 LD HL,GRSET1
CALL OUTSTR
LD HL,0X4000
LD C,3
LCOP5 LD B,8
LCOP4 PUSH BC
PUSH HL
LD HL,GRSET2
CALL OUTSTR
POP HL
LD D,H
LD E,L
LD B,0X20
LCOP3 PUSH BC
LD C,8
LCOP2 LD B,8
LCOP1 RLC (HL)
RLA
INC H
DJNZ LCOP1
CALL AY_PRN_BYTE
LD H,D
LD L,E
DEC C
JR NZ,LCOP2
INC E
PUSH DE
POP HL
POP BC
DJNZ LCOP3
POP BC
DJNZ LCOP4
LD A,H
ADD A,8
LD H,A
DEC C
JR NZ,LCOP5
LD HL,0X0EDE
LD (RADRRET_L),HL
LD HL,GRSET3
OUTSTR LD A,(HL)
CP 0XFF
RET Z
CALL AY_PRN_BYTE
INC HL
JR OUTSTR
AY_PRN_A_ LD H,CRCCMOSHIGH;0XEF
CALL READCMOS
AND PRINTER_AY
JR NZ,AY_PRN_A_1
LD A,(RREG_B)
CP 3
SBC A,A
LD (RREG_A),A
LD HL,0X0EF8
LD (RADRRET_L),HL
RET
AY_PRN_A_1 LD A,(RREG_A)
AY_PRN_BYTE PUSH BC
PUSH HL
CALL LP01
POP HL
POP BC
RET
AY_PRN_INIT LD H,CRCCMOSHIGH;0XEF
CALL READCMOS
AND PRINTER_AY
JR NZ,AY_PRN_INIT1
LD HL,0X0EDF
LD (RADRRET_L),HL
RET
AY_PRN_INIT1 LD DE,0XFFBF
LD C,0XFD
LD B,D ;FF
LD A,0XFE ;for TS or TSFM
OUT (C),A ;select first chip
LD A,7
OUT (C),A
LD B,E ;BF
LD A,0X7F
OUT (C),A
LD B,D ;FF
LD A,0X0F
OUT (C),A
LD B,E ;BF
LD A,0XFE
OUT (C),A
LD HL,INTX
JR OUTSTR
EXIT_09F4 LD HL,0X09F4
LD (RADRRET_L),HL
RET
AY_PRN_TOKEN LD H,CRCCMOSHIGH;0XEF
CALL READCMOS
AND PRINTER_AY
JR Z,EXIT_09F4
LD A,(RREG_A)
CP 0X0D
JR NZ,LP02
CALL LP01
LD A,0X0A
JR LP01
LP02 CP 0X20
RET C
CP 0X7F
JR C,LP01
CP 0XA5
JR NC,EXIT_09F4
CP 0X90
JR C,LP03
SUB 0X4F
JR LP01
LP03 LD A,0X20
LP01 PUSH BC
PUSH AF
LD BC,0XFFFD
LD A,0X0E
OUT (C),A
LD B,0XBF
POP AF
OUT (C),A
LD B,0XFF
LD A,0X0F
OUT (C),A
LP04 CALL BREAK_KEY
JR NC,LP05
IN A,(C)
RLA
JR NC,LP04
LD A,7
OUT (C),A
LD B,0XBF
LD A,0XFF
OUT (C),A
PUSH IX
POP IX
LD A,0X7F
OUT (C),A
POP BC
RET
LP05 LD HL,0X1B7B
LD (RADRRET_L),HL
LD HL,REI_DI
SET 2,(HL)
RET
;Command code for 9-pin EPSON-compatibility printers
;Printer initialization
INTX DB 0X1B,0X40,0X07,0X07,0XFF
;setup1 (before screen copy)
GRSET1 DB 0X1B,0X41,0X08,0XFF
;setup2 (every new line)
GRSET2 DB 0X0D,0X0A,0X1B,0X2A,0X05,0X00,0X01,0XFF
;setup2 (after complete screen copy)
GRSET3 DB 0X0D,0X0A,0X1B,0X32,0X07,0X07,0X07,0XFF
BREAK_KEY LD A,0X7F
IN A,(0XFE)
RRA
RET C
LD A,0XFE
IN A,(0XFE)
RRA
RET