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random cleanups

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@789 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-22 10:51:49 +00:00
parent 94d2199eb1
commit 5e128c6d27
8 changed files with 41 additions and 38 deletions
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28
pico/pico.c
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@ -10,17 +10,18 @@
#include "pico_int.h"
#include "sound/ym2612.h"
int PicoVer=0x0133;
struct Pico Pico;
int PicoOpt = 0;
int PicoSkipFrame = 0; // skip rendering frame?
int emustatus = 0; // rapid_ym2612, multi_ym_updates
int PicoOpt;
int PicoSkipFrame; // skip rendering frame?
int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU
int PicoPadInt[2]; // internal copy
int PicoAHW = 0; // active addon hardware: scd_active, 32x_active, svp_active, pico_active
int PicoRegionOverride = 0; // override the region detection 0: Auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe
int PicoAutoRgnOrder = 0;
struct PicoSRAM SRam = {0,};
int PicoAHW; // active addon hardware: PAHW_*
int PicoRegionOverride; // override the region detection 0: Auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe
int PicoAutoRgnOrder;
struct PicoSRAM SRam;
int emustatus; // rapid_ym2612, multi_ym_updates
int scanlines_total;
void (*PicoWriteSound)(int len) = NULL; // called at the best time to send sound buffer (PsndOut) to hardware
void (*PicoResetHook)(void) = NULL;
@ -208,6 +209,17 @@ int PicoReset(void)
return 0;
}
// flush cinfig changes before emu loop starts
void PicoLoopPrepare(void)
{
if (PicoRegionOverride)
// force setting possibly changed..
Pico.m.pal = (PicoRegionOverride == 2 || PicoRegionOverride == 8) ? 1 : 0;
// FIXME: PAL has 313 scanlines..
scanlines_total = Pico.m.pal ? 312 : 262;
}
// dma2vram settings are just hacks to unglitch Legend of Galahad (needs <= 104 to work)
// same for Outrunners (92-121, when active is set to 24)