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Merge pull request #191 from rzumer/gbc_memory_map

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Fix libretro GBC memory map and add IO port range for cheevos
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Lior Halphon 2019-07-20 00:04:36 +03:00 committed by GitHub
commit 17793ef361
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1 changed files with 41 additions and 33 deletions
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10
libretro/libretro.c
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@ -380,7 +380,7 @@ static void init_for_current_model(unsigned id)
set_link_cable_state(true); set_link_cable_state(true);
} }
struct retro_memory_descriptor descs[10]; struct retro_memory_descriptor descs[11];
size_t size; size_t size;
uint16_t bank; uint16_t bank;
@ -425,12 +425,20 @@ static void init_for_current_model(unsigned id)
descs[8].ptr = GB_get_direct_access(&gameboy[i], GB_DIRECT_ACCESS_OAM, &size, &bank); descs[8].ptr = GB_get_direct_access(&gameboy[i], GB_DIRECT_ACCESS_OAM, &size, &bank);
descs[8].start = 0xFE00; descs[8].start = 0xFE00;
descs[8].select = 0xFFFFFF00;
descs[8].len = 0x00A0; descs[8].len = 0x00A0;
descs[9].ptr = descs[2].ptr + 0x2000; /* GBC RAM bank 2 */ descs[9].ptr = descs[2].ptr + 0x2000; /* GBC RAM bank 2 */
descs[9].start = 0x10000; descs[9].start = 0x10000;
descs[9].select = 0xFFFF0000;
descs[9].len = GB_is_cgb(&gameboy[i]) ? 0x6000 : 0; /* 0x1000 per bank (2-7), unmapped on GB */ descs[9].len = GB_is_cgb(&gameboy[i]) ? 0x6000 : 0; /* 0x1000 per bank (2-7), unmapped on GB */
descs[10].ptr = descs[8].ptr;
descs[10].offset = 0x100;
descs[10].start = 0xFF00;
descs[10].select = 0xFFFFFF00;
descs[10].len = 0x0080;
struct retro_memory_map mmaps; struct retro_memory_map mmaps;
mmaps.descriptors = descs; mmaps.descriptors = descs;
mmaps.num_descriptors = sizeof(descs) / sizeof(descs[0]); mmaps.num_descriptors = sizeof(descs) / sizeof(descs[0]);