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minor timing change

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@254 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-18 19:57:10 +00:00
parent f02439758e
commit 5f20bb8036
4 changed files with 13 additions and 9 deletions
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12
Pico/PicoFrameHints.c
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@ -17,15 +17,17 @@
{ \
if ((PicoOpt&4) && Pico.m.z80Run) \
{ \
int cnt; \
if (Pico.m.z80Run & 2) z80CycleAim += z80_cycles; \
else { \
int cnt = SekCyclesDone() - z80startCycle; \
cnt = SekCyclesDone() - z80startCycle; \
cnt = (cnt>>1)-(cnt>>5); \
if (cnt > (z80_cycles)) cnt = z80_cycles; \
Pico.m.z80Run |= 2; \
z80CycleAim+=cnt; \
} \
total_z80+=z80_run(z80CycleAim-total_z80); \
cnt=z80CycleAim-total_z80; \
if (cnt > 0) total_z80+=z80_run(cnt); \
} \
}
@ -52,7 +54,7 @@
static int PicoFrameHints(void)
{
struct PicoVideo *pv=&Pico.video;
int total_z80=0,lines,y,lines_vis = 224,z80CycleAim = 0,line_sample;
int lines,y,lines_vis = 224,total_z80 = 0,z80CycleAim = 0,line_sample;
int skip=PicoSkipFrame || (PicoOpt&0x10);
int hint; // Hint counter
@ -78,7 +80,9 @@ static int PicoFrameHints(void)
//dprintf("-hint: %i", hint);
// This is to make active scan longer (needed for Double Dragon 2, mainly)
CPUS_RUN(CYCLES_M68K_ASD, CYCLES_Z80_ASD, CYCLES_S68K_ASD);
// also trying to adjust for z80 overclock here (due to int line cycle counts)
z80CycleAim = Pico.m.pal ? -40 : 7;
CPUS_RUN(CYCLES_M68K_ASD, 0, CYCLES_S68K_ASD);
for (y=0;y<lines_vis;y++)
{