RaySollium99/picodrive
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Finish migrating to new mem handling. Make carthw db external.

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Still need to fix asm and protection emulation.


git-svn-id: file:///home/notaz/opt/svn/PicoDrive@769 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-05 21:13:30 +00:00
parent af37bca858
commit 45f2f245f5
30 changed files with 948 additions and 1027 deletions
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21
pico/pico.c
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@ -40,8 +40,6 @@ void PicoInit(void)
PicoInitMCD();
PicoSVPInit();
SRam.data=0;
}
// to be called once on emu exit
@ -52,13 +50,12 @@ void PicoExit(void)
PicoCartUnload();
z80_exit();
if (SRam.data) free(SRam.data); SRam.data=0;
if (SRam.data)
free(SRam.data);
}
void PicoPower(void)
{
unsigned char sram_status = Pico.m.sram_status; // must be preserved
Pico.m.frame_count = 0;
// clear all memory of the emulated machine
@ -78,7 +75,6 @@ void PicoPower(void)
if (PicoAHW & PAHW_MCD)
PicoPowerMCD();
Pico.m.sram_status = sram_status;
PicoReset();
}
@ -141,8 +137,6 @@ PICO_INTERNAL void PicoDetectRegion(void)
int PicoReset(void)
{
unsigned char sram_status = Pico.m.sram_status; // must be preserved
if (Pico.romsize <= 0)
return 1;
@ -194,12 +188,13 @@ int PicoReset(void)
SekInitIdleDet();
// reset sram state; enable sram access by default if it doesn't overlap with ROM
Pico.m.sram_status = sram_status & (SRS_DETECTED|SRS_EEPROM);
if (!(Pico.m.sram_status & SRS_EEPROM) && Pico.romsize <= SRam.start)
Pico.m.sram_status |= SRS_MAPPED;
Pico.m.sram_reg = 0;
if ((SRam.flags & SRF_EEPROM) || Pico.romsize <= SRam.start)
Pico.m.sram_reg |= SRR_MAPPED;
elprintf(EL_STATUS, "sram: det: %i; eeprom: %i; start: %06x; end: %06x",
!!(sram_status & SRS_DETECTED), !!(sram_status & SRS_EEPROM), SRam.start, SRam.end);
if (SRam.flags & SRF_ENABLED)
elprintf(EL_STATUS, "sram: %06x - %06x; eeprom: %i", SRam.start, SRam.end,
!!(SRam.flags & SRF_EEPROM));
return 0;
}