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version 1.4, 2004/08/11 12:08:17
|
version 1.5, 2004/08/14 12:16:18
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|
Line 38
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Line 38
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| } |
} |
| |
|
| #define MCR_RETN { \ |
#define MCR_RETN { \ |
| Z80_IFF &= ~((1 << IFF_NMI) | (1 << IFF_IRQ)); \ |
Z80_IFF &= ~(1 << IFF_NMI); \ |
| MCR_RET \ |
MCR_RET \ |
| } |
} |
| |
|
|
Line 62
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Line 62
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| } |
} |
| |
|
| #define MCR_RETI { \ |
#define MCR_RETI { \ |
| REG8 iff; \ |
CPU_IRQ = CPU_IRQ & (CPU_IRQ - 1); \ |
| iff = Z80_IFF; \ |
if ((!(Z80_IFF & ((1 << IFF_IFLAG) | (1 << IFF_NMI)))) && \ |
| if (iff & (1 << IFF_IRQ)) { \ |
(CPU_REQIRQ != 0)) { \ |
| Z80_IFF = (UINT8)(iff & (~(1 << IFF_IRQ))); \ |
CPU_BASECLOCK -= CPU_REMCLOCK; \ |
| if ((!(iff & ((1 << IFF_IFLAG) | (1 << IFF_NMI)))) && \ |
CPU_REMCLOCK = 0; \ |
| (CPU_REQIRQ != 0)) { \ |
|
| CPU_BASECLOCK -= CPU_REMCLOCK; \ |
|
| CPU_REMCLOCK = 0; \ |
|
| } \ |
|
| } \ |
} \ |
| MCR_RET \ |
MCR_RET \ |
| } |
} |
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