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core vdp, fix obscure VInt bug, some more optimisation

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This commit is contained in:
kub 2022-02-14 20:55:35 +00:00
parent 4fc85c80af
commit 3b68e5107d
2 changed files with 11 additions and 12 deletions
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4
pico/pico_cmn.c
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@ -74,7 +74,7 @@ static void do_hint(struct PicoVideo *pv)
static void do_timing_hacks_end(struct PicoVideo *pv)
{
PicoVideoFIFOSync(488);
PicoVideoFIFOSync(CYCLES_M68K_LINE);
}
static void do_timing_hacks_start(struct PicoVideo *pv)
@ -185,7 +185,6 @@ static int PicoFrameHints(void)
// also delay between F bit (bit 7) is set in SR and IRQ happens (Ex-Mutants)
// also delay between last H-int and V-int (Golden Axe 3)
Pico.t.m68c_line_start = Pico.t.m68c_aim;
PicoVideoFIFOMode(pv->reg[1]&0x40, pv->reg[12]&1);
do_timing_hacks_start(pv);
CPUS_RUN(CYCLES_M68K_VINT_LAG);
@ -289,7 +288,6 @@ static int PicoFrameHints(void)
// Run scanline:
Pico.t.m68c_line_start = Pico.t.m68c_aim;
PicoVideoFIFOMode(pv->reg[1]&0x40, pv->reg[12]&1);
do_timing_hacks_start(pv);
CPUS_RUN(CYCLES_M68K_LINE);
do_timing_hacks_end(pv);