#include "pico_int.h"\r
#include "sound/ym2612.h"\r
\r
-int PicoVer=0x0133;\r
struct Pico Pico;\r
-int PicoOpt = 0;\r
-int PicoSkipFrame = 0; // skip rendering frame?\r
-int emustatus = 0; // rapid_ym2612, multi_ym_updates\r
+int PicoOpt; \r
+int PicoSkipFrame; // skip rendering frame?\r
int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU\r
int PicoPadInt[2]; // internal copy\r
-int PicoAHW = 0; // active addon hardware: scd_active, 32x_active, svp_active, pico_active\r
-int PicoRegionOverride = 0; // override the region detection 0: Auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r
-int PicoAutoRgnOrder = 0;\r
-struct PicoSRAM SRam = {0,};\r
+int PicoAHW; // active addon hardware: PAHW_*\r
+int PicoRegionOverride; // override the region detection 0: Auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe\r
+int PicoAutoRgnOrder;\r
+\r
+struct PicoSRAM SRam;\r
+int emustatus; // rapid_ym2612, multi_ym_updates\r
+int scanlines_total;\r
\r
void (*PicoWriteSound)(int len) = NULL; // called at the best time to send sound buffer (PsndOut) to hardware\r
void (*PicoResetHook)(void) = NULL;\r
\r
PicoInitMCD();\r
PicoSVPInit();\r
-\r
- SRam.data=0;\r
+ Pico32xInit();\r
}\r
\r
// to be called once on emu exit\r
PicoCartUnload();\r
z80_exit();\r
\r
- if (SRam.data) free(SRam.data); SRam.data=0;\r
+ if (SRam.data)\r
+ free(SRam.data);\r
}\r
\r
void PicoPower(void)\r
{\r
- unsigned char sram_status = Pico.m.sram_status; // must be preserved\r
-\r
Pico.m.frame_count = 0;\r
\r
// clear all memory of the emulated machine\r
if (PicoAHW & PAHW_MCD)\r
PicoPowerMCD();\r
\r
- Pico.m.sram_status = sram_status;\r
+ if (PicoOpt & POPT_EN_32X)\r
+ PicoPower32x();\r
+\r
PicoReset();\r
}\r
\r
\r
int PicoReset(void)\r
{\r
- unsigned char sram_status = Pico.m.sram_status; // must be preserved\r
-\r
if (Pico.romsize <= 0)\r
return 1;\r
\r
if (!(PicoOpt & POPT_DIS_IDLE_DET))\r
SekInitIdleDet();\r
\r
+ if (PicoOpt & POPT_EN_32X) {\r
+ PicoReset32x();\r
+ return 0;\r
+ }\r
+\r
// reset sram state; enable sram access by default if it doesn't overlap with ROM\r
- Pico.m.sram_status = sram_status & (SRS_DETECTED|SRS_EEPROM);\r
- if (!(Pico.m.sram_status & SRS_EEPROM) && Pico.romsize <= SRam.start)\r
- Pico.m.sram_status |= SRS_MAPPED;\r
+ Pico.m.sram_reg = 0;\r
+ if ((SRam.flags & SRF_EEPROM) || Pico.romsize <= SRam.start)\r
+ Pico.m.sram_reg |= SRR_MAPPED;\r
\r
- elprintf(EL_STATUS, "sram: det: %i; eeprom: %i; start: %06x; end: %06x",\r
- !!(sram_status & SRS_DETECTED), !!(sram_status & SRS_EEPROM), SRam.start, SRam.end);\r
+ if (SRam.flags & SRF_ENABLED)\r
+ elprintf(EL_STATUS, "sram: %06x - %06x; eeprom: %i", SRam.start, SRam.end,\r
+ !!(SRam.flags & SRF_EEPROM));\r
\r
return 0;\r
}\r
\r
+// flush cinfig changes before emu loop starts\r
+void PicoLoopPrepare(void)\r
+{\r
+ if (PicoRegionOverride)\r
+ // force setting possibly changed..\r
+ Pico.m.pal = (PicoRegionOverride == 2 || PicoRegionOverride == 8) ? 1 : 0;\r
+\r
+ // FIXME: PAL has 313 scanlines..\r
+ scanlines_total = Pico.m.pal ? 312 : 262;\r
+\r
+ if (PicoAHW & PAHW_32X)\r
+ p32x_timers_recalc();\r
+}\r
+\r
\r
// dma2vram settings are just hacks to unglitch Legend of Galahad (needs <= 104 to work)\r
// same for Outrunners (92-121, when active is set to 24)\r
return;\r
}\r
\r
+ // TODO: MCD+32X\r
if (PicoAHW & PAHW_MCD) {\r
PicoFrameMCD();\r
return;\r
}\r
\r
+ if (PicoAHW & PAHW_32X) {\r
+ PicoFrame32x();\r
+ return;\r
+ }\r
+\r
//if(Pico.video.reg[12]&0x2) Pico.video.status ^= 0x10; // change odd bit in interlace mode\r
\r
PicoFrameStart();\r