|
version 1.2, 2004/08/11 12:08:17
|
version 1.3, 2004/08/14 12:16:18
|
|
Line 34 im_2: mov byte [edi + R_Z80IM], 2
|
Line 34 im_2: mov byte [edi + R_Z80IM], 2
|
| |
|
| |
|
| 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 |
| |
|
| align 16 |
align 16 |
| _reti: mov dl, [edi + R_Z80IFF] |
_reti: mov eax, [edi + R_Z80IRQ] |
| test dl, ((1 << IFF_IFLAG) | (1 << IFF_NMI)) |
lea edx, [eax - 1] |
| |
and eax, edx |
| |
test byte [edi + R_Z80IFF], ((1 << IFF_IFLAG) | (1 << IFF_NMI)) |
| |
mov [edi + R_Z80IRQ], eax |
| jne short .mn |
jne short .mn |
| cmp dword [edi + z80core_t.reqirq], byte 0 |
cmp dword [edi + R_Z80REQIRQ], byte 0 |
| je short .mn |
je short .mn |
| mov eax, [edi + z80core_t.remainclock] |
mov eax, [edi + z80core_t.remainclock] |
| cmp eax, byte 0 |
cmp eax, byte 0 |
| jle short .mn |
jle short .mn |
| sub [edi + z80core_t.remainclock], eax |
sub [edi + z80core_t.remainclock], eax |
| sub [edi + z80core_t.baseclock], eax |
sub [edi + z80core_t.baseclock], eax |
| .mn: and dl, ~(1 << IFF_IRQ) |
.mn: MRET |
| mov [edi + R_Z80IFF], dl |
|
| MRET |
|
| |
|
| align 16 |
align 16 |
| adc_hl_bc: ADCR16 R_Z80BC |
adc_hl_bc: ADCR16 R_Z80BC |
![[BACK]](/cvs/cvsweb/icons/back.gif){kind=icon}
Return to z80x_sb.x86 CVS log ![[TXT]](/cvs/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvs/cvsweb/icons/dir.gif){kind=icon}
Up to [RetroPC.NET] / xmil / z80x