X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=platform%2Flibretro%2Flibretro.c;h=1260f4833ceac1be916e7fbefb75b8ac5b8e2150;hb=c3e69f81d86410bce18d0335d2c879bda71285db;hp=7c271388bcb5b198aa4c77a98eea06a9f608d17e;hpb=edddf9975128324c8aecf33560a5642f7f7195dc;p=picodrive.git diff --git a/platform/libretro/libretro.c b/platform/libretro/libretro.c index 7c27138..1260f48 100644 --- a/platform/libretro/libretro.c +++ b/platform/libretro/libretro.c @@ -983,38 +983,64 @@ unsigned retro_get_region(void) return Pico.m.pal ? RETRO_REGION_PAL : RETRO_REGION_NTSC; } -void *retro_get_memory_data(unsigned id) +void *retro_get_memory_data(unsigned type) { - if (id != RETRO_MEMORY_SAVE_RAM) - return NULL; + uint8_t* data; - if (PicoAHW & PAHW_MCD) - return Pico_mcd->bram; - else - return SRam.data; + switch(type) + { + case RETRO_MEMORY_SAVE_RAM: + if (PicoAHW & PAHW_MCD) + data = Pico_mcd->bram; + else + data = SRam.data; + break; + case RETRO_MEMORY_SYSTEM_RAM: + if (PicoAHW & PAHW_SMS) + data = Pico.vramb; + else + data = Pico.ram; + break; + default: + data = NULL; + break; + } + + return data; } -size_t retro_get_memory_size(unsigned id) +size_t retro_get_memory_size(unsigned type) { unsigned int i; int sum; - - if (id != RETRO_MEMORY_SAVE_RAM) - return 0; - - if (PicoAHW & PAHW_MCD) - // bram - return 0x2000; - - if (Pico.m.frame_count == 0) - return SRam.size; - - // if game doesn't write to sram, don't report it to - // libretro so that RA doesn't write out zeroed .srm - for (i = 0, sum = 0; i < SRam.size; i++) - sum |= SRam.data[i]; - - return (sum != 0) ? SRam.size : 0; + + switch(type) + { + case RETRO_MEMORY_SAVE_RAM: + if (PicoAHW & PAHW_MCD) + // bram + return 0x2000; + + if (Pico.m.frame_count == 0) + return SRam.size; + + // if game doesn't write to sram, don't report it to + // libretro so that RA doesn't write out zeroed .srm + for (i = 0, sum = 0; i < SRam.size; i++) + sum |= SRam.data[i]; + + return (sum != 0) ? SRam.size : 0; + + case RETRO_MEMORY_SYSTEM_RAM: + if (PicoAHW & PAHW_SMS) + return sizeof(Pico.vramb); + else + return sizeof(Pico.ram); + + default: + return 0; + } + } void retro_reset(void)