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version 1.2, 2004/08/02 13:38:46
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version 1.5, 2004/08/10 08:28:49
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Line 2
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| #include "z80core.h" |
#include "z80core.h" |
| #include "pccore.h" |
#include "pccore.h" |
| #include "iocore.h" |
#include "iocore.h" |
| #include "x1_io.h" |
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| |
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| |
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| LABEL void z80dmap(void) { |
LABEL void z80dmap(void) { |
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Line 45 dma_lp: cmp dma.ENDB_FLG, 0
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Line 44 dma_lp: cmp dma.ENDB_FLG, 0
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| jne dmalpend |
jne dmalpend |
| dma_lpst: |
dma_lpst: |
| push ecx |
push ecx |
| |
push edx |
| movzx ecx, word ptr [ebx] |
movzx ecx, word ptr [ebx] |
| test dl, 8 |
test dl, 8 |
| jne dma_inport |
jne dma_inport |
| push edx |
|
| call memrd8_ecx_al |
call memrd8_ecx_al |
| pop edx |
dmasrcend: pop edx |
| dmasrcend: pop ecx |
pop ecx |
| |
|
| test dma.DMA_CMND, 1 |
test dma.DMA_CMND, 1 |
| je dmadstend |
je dmadstend |
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Line 139 dma_intrpt: jmp z80x_interrupt
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Line 138 dma_intrpt: jmp z80x_interrupt
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| dmaintrptend: ret |
dmaintrptend: ret |
| |
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| |
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| dma_inport: push edx |
dma_inport: call iocore_inp |
| push ebx |
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| cmp cx, 0ffbh |
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| jne Z80inport |
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| mov fdcdummyread, 0 |
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| Z80inport: call iocore_inp |
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| pop ebx |
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| pop edx |
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| jmp dmasrcend |
jmp dmasrcend |
| |
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| dma_outport: push ebx |
dma_outport: call iocore_out |
| cmp cx, 0ffbh |
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| jne Z80outport |
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| cmp ppi.IO_MODE, 0 |
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| jne Z80outport |
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| mov fdcdummyread, 0 |
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| Z80outport: call iocore_out |
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| pop ebx |
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| jmp dmadstend |
jmp dmadstend |
| } |
} |
| } |
} |
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