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version 1.2, 2004/08/11 12:08:17
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version 1.4, 2004/08/15 17:51:53
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Line 18 section .text
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Line 18 section .text
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| extern memfetch |
extern memfetch |
| extern _cycles_main |
extern _cycles_main |
| extern opcode_main |
extern opcode_main |
| |
extern _ievent_eoi |
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| |
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| align 16 |
align 16 |
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Line 34 im_2: mov byte [edi + R_Z80IM], 2
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Line 35 im_2: mov byte [edi + R_Z80IM], 2
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| align 16 |
align 16 |
| _retn: and byte [edi + R_Z80IFF], ~((1 << IFF_NMI) | (1 << IFF_IRQ)) |
_retn: and byte [edi + R_Z80IFF], ~(1 << IFF_NMI) |
| MRET |
MRET |
| |
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| align 16 |
align 16 |
| _reti: mov dl, [edi + R_Z80IFF] |
_reti: call _ievent_eoi |
| test dl, ((1 << IFF_IFLAG) | (1 << IFF_NMI)) |
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| jne short .mn |
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| cmp dword [edi + z80core_t.reqirq], byte 0 |
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| je short .mn |
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| mov eax, [edi + z80core_t.remainclock] |
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| cmp eax, byte 0 |
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| jle short .mn |
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| sub [edi + z80core_t.remainclock], eax |
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| sub [edi + z80core_t.baseclock], eax |
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| .mn: and dl, ~(1 << IFF_IRQ) |
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| mov [edi + R_Z80IFF], dl |
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| MRET |
MRET |
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| align 16 |
align 16 |
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