X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fmemory.c;h=13fc67e6b9f06706f2eb571b21b6a0e65fa69d7f;hb=0ace9b9aac5de8f1ee5bf181132f98a1f81f4a1d;hp=11de6417fe27765322ea2ff9e11a31e41ce5faf9;hpb=5e89f0f5aebedc086888415e063b9883fc4a9e92;p=picodrive.git diff --git a/pico/memory.c b/pico/memory.c index 11de641..13fc67e 100644 --- a/pico/memory.c +++ b/pico/memory.c @@ -21,7 +21,7 @@ unsigned long m68k_write8_map [0x1000000 >> M68K_MEM_SHIFT]; unsigned long m68k_write16_map[0x1000000 >> M68K_MEM_SHIFT]; static void xmap_set(unsigned long *map, int shift, int start_addr, int end_addr, - void *func_or_mh, int is_func) + const void *func_or_mh, int is_func) { unsigned long addr = (unsigned long)func_or_mh; int mask = (1 << shift) - 1; @@ -49,13 +49,13 @@ static void xmap_set(unsigned long *map, int shift, int start_addr, int end_addr } void z80_map_set(unsigned long *map, int start_addr, int end_addr, - void *func_or_mh, int is_func) + const void *func_or_mh, int is_func) { xmap_set(map, Z80_MEM_SHIFT, start_addr, end_addr, func_or_mh, is_func); } void cpu68k_map_set(unsigned long *map, int start_addr, int end_addr, - void *func_or_mh, int is_func) + const void *func_or_mh, int is_func) { xmap_set(map, M68K_MEM_SHIFT, start_addr, end_addr, func_or_mh, is_func); } @@ -144,6 +144,10 @@ static u32 ym2612_read_local_68k(void); static int ym2612_write_local(u32 a, u32 d, int is_from_z80); static void z80_mem_setup(void); +#ifdef _ASM_MEMORY_C +u32 PicoRead8_sram(u32 a); +u32 PicoRead16_sram(u32 a); +#endif #ifdef EMU_CORE_DEBUG u32 lastread_a, lastread_d[16]={0,}, lastwrite_cyc_d[16]={0,}, lastwrite_mus_d[16]={0,}; @@ -172,7 +176,10 @@ void cyclone_crashed(u32 pc, struct Cyclone *context) // ----------------------------------------------------------------- // memmap helpers -static int PadRead(int i) +#ifndef _ASM_MEMORY_C +static +#endif +int PadRead(int i) { int pad,value,data_reg; pad=~PicoPadInt[i]; // Get inverse of pad MXYZ SACB RLDU @@ -204,6 +211,8 @@ static int PadRead(int i) return value; // will mirror later } +#ifndef _ASM_MEMORY_C + static u32 io_ports_read(u32 a) { u32 d; @@ -233,7 +242,9 @@ static void NOINLINE io_ports_write(u32 a, u32 d) Pico.ioports[a] = d; } -static void NOINLINE ctl_write_z80busreq(u32 d) +#endif // _ASM_MEMORY_C + +void NOINLINE ctl_write_z80busreq(u32 d) { d&=1; d^=1; elprintf(EL_BUSREQ, "set_zrun: %i->%i [%i] @%06x", Pico.m.z80Run, d, SekCyclesDone(), SekPc); @@ -253,7 +264,7 @@ static void NOINLINE ctl_write_z80busreq(u32 d) } } -static void NOINLINE ctl_write_z80reset(u32 d) +void NOINLINE ctl_write_z80reset(u32 d) { d&=1; d^=1; elprintf(EL_BUSREQ, "set_zreset: %i->%i [%i] @%06x", Pico.m.z80_reset, d, SekCyclesDone(), SekPc); @@ -277,6 +288,8 @@ static void NOINLINE ctl_write_z80reset(u32 d) // ----------------------------------------------------------------- +#ifndef _ASM_MEMORY_C + // cart (save) RAM area (usually 0x200000 - ...) static u32 PicoRead8_sram(u32 a) { @@ -322,6 +335,8 @@ static u32 PicoRead16_sram(u32 a) return m68k_unmapped_read16(a); } +#endif // _ASM_MEMORY_C + static void PicoWrite8_sram(u32 a, u32 d) { if (a > SRam.end || a < SRam.start || !(Pico.m.sram_reg & SRR_MAPPED)) { @@ -415,7 +430,6 @@ static void PicoWrite8_z80(u32 a, u32 d) SN76496Write(d); return; } -#if !defined(_ASM_MEMORY_C) || defined(_ASM_MEMORY_C_AMIPS) if ((a & 0x7f00) == 0x6000) // Z80 BANK register { Pico.m.z80_bank68k >>= 1; @@ -424,7 +438,6 @@ static void PicoWrite8_z80(u32 a, u32 d) elprintf(EL_Z80BNK, "z80 bank=%06x", Pico.m.z80_bank68k << 15); return; } -#endif elprintf(EL_UIO|EL_ANOMALY, "68k bad write [%06x] %02x @ %06x", a, d&0xff, SekPc); } @@ -435,6 +448,8 @@ static void PicoWrite16_z80(u32 a, u32 d) PicoWrite8_z80(a, d >> 8); } +#ifndef _ASM_MEMORY_C + // IO/control area (0xa10000 - 0xa1ffff) u32 PicoRead8_io(u32 a) { @@ -561,6 +576,8 @@ void PicoWrite16_io(u32 a, u32 d) m68k_unmapped_write16(a, d); } +#endif // _ASM_MEMORY_C + // VDP area (0xc00000 - 0xdfffff) // TODO: verify if lower byte goes to PSG on word writes static u32 PicoRead8_vdp(u32 a)