RaySollium99/picodrive
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some irq hacks

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notes to self (derived from Nemesis):

H32: 0x10A .. 0x127 0x1D2 .. 0x1FF 0x000 0x001
pclk       30             46          1 |0x109
mclk                 770                | 2650   = 3420
68kclk              110                   378.5 ~= 488.5

H40: 0x14A .. 0x16C 0x1C9 .. 0x1FF 0x000 0x001
pclk       35             55          1
mclk     35*8       4*8+314+10+19*8     |0x149*8
                  788                   | 2632   = 3420
68kclk           112.5                    376   ~= 488.5
This commit is contained in:
notaz 2017-10-07 00:08:05 +03:00
parent e015ad3c1b
commit 22814963cc
5 changed files with 39 additions and 38 deletions
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6
pico/cd/sek.c
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@ -178,10 +178,8 @@ PICO_INTERNAL int SekInterruptS68k(int irq)
PicoCpuCS68k.irq=real_irq;
#endif
#ifdef EMU_M68K
void *oldcontext = m68ki_cpu_p;
m68k_set_context(&PicoCpuMS68k);
m68k_set_irq(real_irq);
m68k_set_context(oldcontext);
// avoid m68k_set_irq() for delaying to work
PicoCpuMS68k.int_level = real_irq << 8;
#endif
#ifdef EMU_F68K
PicoCpuFS68k.interrupts[0]=real_irq;