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VDP timing improvements

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This commit is contained in:
kub 2020-01-26 20:46:21 +01:00
parent 2d5b6a66c1
commit 1259ac4f60
4 changed files with 11 additions and 9 deletions
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5
pico/pico_int.h
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@ -137,9 +137,7 @@ extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k;
// burn cycles while not in SekRun() and while in
#define SekCyclesBurn(c) Pico.t.m68c_cnt += c
#define SekCyclesBurnRun(c) { \
SekCyclesLeft -= c; \
}
#define SekCyclesBurnRun(c) SekCyclesLeft -= c
// note: sometimes may extend timeslice to delay an irq
#define SekEndRun(after) { \
@ -421,6 +419,7 @@ struct PicoTiming
unsigned int z80c_aim;
int z80_scanline;
unsigned int dma_end; // end of current DMA op (m68k cycles)
int timer_a_next_oflow, timer_a_step; // in z80 cycles
int timer_b_next_oflow, timer_b_step;
};