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https://github.com/RaySollium99/picodrive.git
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3e49ffd0bf
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@756 be3aeb3a-fb24-0410-a615-afba39da0efa
55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
#include "pico_int.h"
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static unsigned char z80_sms_in(unsigned short p)
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{
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elprintf(EL_ANOMALY, "Z80 port %04x read", p);
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return 0xff;
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}
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static void z80_sms_out(unsigned short p, unsigned char d)
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{
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elprintf(EL_ANOMALY, "Z80 port %04x write %02x", p, d);
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}
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static unsigned char MEMH_FUNC xread(unsigned short a)
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{
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elprintf(EL_ANOMALY, "Z80 read [%04x]", a);
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return 0;
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}
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static void MEMH_FUNC xwrite(unsigned int a, unsigned char data)
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{
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elprintf(EL_ANOMALY, "Z80 write [%04x] %02x", a, data);
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}
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void PicoPowerMS(void)
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{
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}
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void PicoMemSetupMS(void)
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{
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z80_map_set(z80_read_map, 0x0000, 0xbfff, Pico.rom, 0);
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z80_map_set(z80_read_map, 0xc000, 0xdfff, Pico.zram, 0);
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z80_map_set(z80_read_map, 0xe000, 0xffff, xread, 1);
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z80_map_set(z80_write_map, 0x0000, 0xbfff, Pico.rom, 0);
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z80_map_set(z80_write_map, 0xc000, 0xdfff, Pico.zram, 0);
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z80_map_set(z80_write_map, 0xe000, 0xffff, xwrite, 1);
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#ifdef _USE_DRZ80
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drZ80.z80_in = z80_sms_in;
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drZ80.z80_out = z80_sms_out;
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#endif
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#ifdef _USE_CZ80
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Cz80_Set_Fetch(&CZ80, 0x0000, 0xbfff, (UINT32)Pico.rom);
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Cz80_Set_Fetch(&CZ80, 0xc000, 0xdfff, (UINT32)Pico.zram);
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Cz80_Set_INPort(&CZ80, z80_sms_in);
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Cz80_Set_OUTPort(&CZ80, z80_sms_out);
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#endif
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}
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void PicoFrameMS(void)
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{
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z80_run(OSC_NTSC / 13 / 60);
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}
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