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1 | 1 | ||
2 | ; LAST UPDATE: 08.10.2022 savelij |
2 | ; LAST UPDATE: 09.10.2022 savelij |
3 | 3 | ||
4 | TITLE "virtual.a80" |
4 | TITLE "virtual.a80" |
5 | 5 | ||
6 | DB 0xFF ; DCU |
6 | DB 0xFF ; DCU |
7 | 7 | ||
Line 389... | Line 389... | ||
389 | 389 | ||
390 | .L5 LD A,(PORT_3F) |
390 | .L5 LD A,(PORT_3F) |
391 | AND A |
391 | AND A |
392 | JR NZ,.L1 |
392 | JR NZ,.L1 |
393 | LD A,%00100100 |
393 | LD A,%00100100 |
394 | JR .INDEX |
394 | JR .L6 |
395 | 395 | ||
396 | .L3 LD A,(.INDEX) |
396 | .L3 LD A,(.INDEX) |
397 | XOR %00000100 |
397 | XOR %00000100 |
398 | JR .L4 |
398 | JR .L4 |
399 | 399 | ||
400 | .L1 LD A,0x24 |
400 | .L1 LD A,0x24 |
401 | .INDEX EQU $-1 |
401 | .INDEX EQU $-1 |
402 | .L4 XOR %00000010 |
402 | .L4 XOR %00000010 |
403 | LD (.INDEX),A |
403 | .L6 LD (.INDEX),A |
404 | .L2 LD (RD_1F),A |
404 | .L2 LD (RD_1F),A |
405 | LD (REG_A),A |
405 | LD (REG_A),A |
406 | RET |
406 | RET |
407 | 407 | ||
408 | ; чтение порта 0x3F |
408 | ; чтение порта 0x3F |