X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcd%2FMemory.c;h=b404ae7eb370f2878dc50260808b4448f5390e5d;hb=2b1f0e25193de382c6578fcf8e5edeaa37a21555;hp=b1faacdfa25b5a69468a85fa8af60ef07fe7d60e;hpb=dca310c413517d278898b967cfe610574310acd8;p=picodrive.git diff --git a/Pico/cd/Memory.c b/Pico/cd/Memory.c index b1faacd..b404ae7 100644 --- a/Pico/cd/Memory.c +++ b/Pico/cd/Memory.c @@ -501,10 +501,8 @@ u32 PicoReadM68k8(u32 a) case 0xd0>>1: case 0xd2>>1: case 0xd4>>1: case 0xd6>>1: case 0xd8>>1: case 0xda>>1: case 0xdc>>1: case 0xde>>1: // VDP - if ((a&0xe700e0)==0xc00000) { - d=PicoVideoRead(a); - if ((a&1)==0) d>>=8; - } + if ((a&0xe700e0)==0xc00000) + d=PicoVideoRead8(a); break; case 0xe0>>1: case 0xe2>>1: case 0xe4>>1: case 0xe6>>1: case 0xe8>>1: case 0xea>>1: case 0xec>>1: case 0xee>>1: @@ -1636,6 +1634,10 @@ void PicoMemResetCD(int r3) } #endif +#ifdef EMU_M68K +static void m68k_mem_setup_cd(void); +#endif + PICO_INTERNAL void PicoMemSetupCD(void) { // additional handlers for common code @@ -1702,6 +1704,9 @@ PICO_INTERNAL void PicoMemSetupCD(void) // PicoMemResetCD() will setup word ram for both } #endif +#ifdef EMU_M68K + m68k_mem_setup_cd(); +#endif // m68k_poll_addr = m68k_poll_cnt = 0; s68k_poll_adclk = s68k_poll_cnt = 0; @@ -1709,27 +1714,27 @@ PICO_INTERNAL void PicoMemSetupCD(void) #ifdef EMU_M68K -unsigned char PicoReadCD8w (unsigned int a) { +static unsigned int PicoReadCD8w (unsigned int a) { return m68ki_cpu_p == &PicoCpuMS68k ? PicoReadS68k8(a) : PicoReadM68k8(a); } -unsigned short PicoReadCD16w(unsigned int a) { +static unsigned int PicoReadCD16w(unsigned int a) { return m68ki_cpu_p == &PicoCpuMS68k ? PicoReadS68k16(a) : PicoReadM68k16(a); } -unsigned int PicoReadCD32w(unsigned int a) { +static unsigned int PicoReadCD32w(unsigned int a) { return m68ki_cpu_p == &PicoCpuMS68k ? PicoReadS68k32(a) : PicoReadM68k32(a); } -void PicoWriteCD8w (unsigned int a, unsigned char d) { +static void PicoWriteCD8w (unsigned int a, unsigned char d) { if (m68ki_cpu_p == &PicoCpuMS68k) PicoWriteS68k8(a, d); else PicoWriteM68k8(a, d); } -void PicoWriteCD16w(unsigned int a, unsigned short d) { +static void PicoWriteCD16w(unsigned int a, unsigned short d) { if (m68ki_cpu_p == &PicoCpuMS68k) PicoWriteS68k16(a, d); else PicoWriteM68k16(a, d); } -void PicoWriteCD32w(unsigned int a, unsigned int d) { +static void PicoWriteCD32w(unsigned int a, unsigned int d) { if (m68ki_cpu_p == &PicoCpuMS68k) PicoWriteS68k32(a, d); else PicoWriteM68k32(a, d); } // these are allowed to access RAM -unsigned int m68k_read_pcrelative_CD8 (unsigned int a) +static unsigned int m68k_read_pcrelative_CD8 (unsigned int a) { a&=0xffffff; if(m68ki_cpu_p == &PicoCpuMS68k) { @@ -1756,7 +1761,7 @@ unsigned int m68k_read_pcrelative_CD8 (unsigned int a) } return 0;//(u8) lastread_d; } -unsigned int m68k_read_pcrelative_CD16(unsigned int a) +static unsigned int m68k_read_pcrelative_CD16(unsigned int a) { a&=0xffffff; if(m68ki_cpu_p == &PicoCpuMS68k) { @@ -1783,7 +1788,7 @@ unsigned int m68k_read_pcrelative_CD16(unsigned int a) } return 0; } -unsigned int m68k_read_pcrelative_CD32(unsigned int a) +static unsigned int m68k_read_pcrelative_CD32(unsigned int a) { u16 *pm; a&=0xffffff; @@ -1813,5 +1818,28 @@ unsigned int m68k_read_pcrelative_CD32(unsigned int a) } return 0; } + +extern unsigned int (*pm68k_read_memory_8) (unsigned int address); +extern unsigned int (*pm68k_read_memory_16)(unsigned int address); +extern unsigned int (*pm68k_read_memory_32)(unsigned int address); +extern void (*pm68k_write_memory_8) (unsigned int address, unsigned char value); +extern void (*pm68k_write_memory_16)(unsigned int address, unsigned short value); +extern void (*pm68k_write_memory_32)(unsigned int address, unsigned int value); +extern unsigned int (*pm68k_read_memory_pcr_8) (unsigned int address); +extern unsigned int (*pm68k_read_memory_pcr_16)(unsigned int address); +extern unsigned int (*pm68k_read_memory_pcr_32)(unsigned int address); + +static void m68k_mem_setup_cd(void) +{ + pm68k_read_memory_8 = PicoReadCD8w; + pm68k_read_memory_16 = PicoReadCD16w; + pm68k_read_memory_32 = PicoReadCD32w; + pm68k_write_memory_8 = PicoWriteCD8w; + pm68k_write_memory_16 = PicoWriteCD16w; + pm68k_write_memory_32 = PicoWriteCD32w; + pm68k_read_memory_pcr_8 = m68k_read_pcrelative_CD8; + pm68k_read_memory_pcr_16 = m68k_read_pcrelative_CD16; + pm68k_read_memory_pcr_32 = m68k_read_pcrelative_CD32; +} #endif // EMU_M68K