RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 07:17:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

32x: improve 'simple' scheduling, works for 'interesting' games

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@798 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-10-01 10:21:43 +00:00
parent c987bb5c36
commit 236990cf77
4 changed files with 42 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

5
pico/pico_cmn.c
View file

@ -5,6 +5,7 @@
#define CYCLES_M68K_VINT_LAG 68
#define CYCLES_M68K_ASD 148
#define CYCLES_S68K_LINE 795
#define CYCLES_S68K_VINT_LAG 111
#define CYCLES_S68K_ASD 241
// pad delay (for 6 button pads)
@ -178,7 +179,7 @@ static int PicoFrameHints(void)
// there must be a delay after vblank bit is set and irq is asserted (Mazin Saga)
// 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)
SekRunM68k(CYCLES_M68K_VINT_LAG);
CPUS_RUN(CYCLES_M68K_VINT_LAG, CYCLES_S68K_VINT_LAG);
if (pv->reg[1]&0x20) {
elprintf(EL_INTS, "vint: @ %06x [%i]", SekPc, SekCycleCnt);
@ -201,7 +202,7 @@ static int PicoFrameHints(void)
// Run scanline:
if (Pico.m.dma_xfers) SekCyclesBurn(CheckDMA());
CPUS_RUN(CYCLES_M68K_LINE - CYCLES_M68K_VINT_LAG - CYCLES_M68K_ASD,
CYCLES_S68K_LINE - CYCLES_S68K_ASD);
CYCLES_S68K_LINE - CYCLES_S68K_VINT_LAG - CYCLES_S68K_ASD);
#ifdef PICO_CD
update_chips();