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taitopjc: Preliminary text layer and I/O CPU hookup [Ville Linde]
This commit is contained in:
R. Belmont
parent
0367d7a349
commit
4c49649068
@ -56,15 +56,14 @@
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#include "emu.h"
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#include "cpu/powerpc/ppc.h"
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#include "cpu/tlcs900/tlcs900.h"
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static UINT32 jc_char_ram[0x2000];
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static UINT32 jc_tile_ram[0x4000];
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//static UINT32 jc_pal_ram[0x8000];
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static UINT32 jc_screen_ram[0x10000];
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class taitopjc_state : public driver_device
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{
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public:
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taitopjc_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag) { }
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};
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static UINT8 common_ram[0x2000];
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static VIDEO_START( taitopjc )
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@ -74,18 +73,309 @@ static VIDEO_START( taitopjc )
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static SCREEN_UPDATE( taitopjc )
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{
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{
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UINT8 *s = (UINT8*)jc_char_ram;
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int x,y,t,u;
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for (u=0; u < 48; u++)
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{
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for (t=0; t < 32; t++)
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{
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UINT32 tile = jc_tile_ram[((u*16)+(t/2)) ^ 0];
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if (t & 1)
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tile &= 0xffff;
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else
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tile >>= 16;
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tile &= 0xff;
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tile -= 0x40;
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if (tile < 0) tile = 0;
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if (tile > 127) tile = 127;
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for (y=0; y < 16; y++)
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{
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UINT32 *fb = BITMAP_ADDR32(bitmap, y+(u*16), 0);
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for (x=0; x < 16; x++)
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{
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UINT8 p = s[((tile*256) + ((y*16)+x)) ^3];
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fb[x+(t*16)] = p ? 0xffffffff : 0;
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}
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}
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}
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}
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}
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return 0;
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}
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static UINT32 video_address;
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static UINT32 videochip_r(address_space *space, offs_t address)
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{
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UINT32 r = 0;
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if (address >= 0x10000000 && address < 0x10010000)
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{
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r = jc_screen_ram[address - 0x10000000];
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}
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return r;
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}
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static void videochip_w(address_space *space, offs_t address, UINT32 data)
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{
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if (address >= 0x20000000 && address < 0x20008000)
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{
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//UINT32 r = (data >> 16) & 0xff;
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//UINT32 g = (data >> 8) & 0xff;
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//UINT32 b = (data >> 0) & 0xff;
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//palette_set_color_rgb(space->machine, address & 0x7fff, r, g, b);
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}
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else if (address >= 0x1003d000 && address < 0x1003f000)
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{
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jc_char_ram[address - 0x1003d000] = data;
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}
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else if (address >= 0x1003f000 && address < 0x10040000)
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{
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jc_tile_ram[address - 0x1003f000] = data;
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}
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else if (address >= 0x10000000 && address < 0x10010000)
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{
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jc_screen_ram[address - 0x10000000] = data;
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}
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else
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{
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printf("Address %08X = %08X\n", address, data);
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}
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}
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static READ64_HANDLER(video_r)
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{
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UINT64 r = 0;
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if (offset == 0)
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{
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if (ACCESSING_BITS_32_63)
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{
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r |= (UINT64)(videochip_r(space, video_address)) << 32;
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}
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}
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return r;
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}
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static WRITE64_HANDLER(video_w)
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{
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if (offset == 0)
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{
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if (ACCESSING_BITS_32_63)
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{
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//printf("Address %08X = %08X\n", video_address, (UINT32)(data >> 32));
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videochip_w(space, video_address, (UINT32)(data >> 32));
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}
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}
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if (offset == 1)
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{
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if (ACCESSING_BITS_32_63)
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{
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video_address = (UINT32)(data >> 32);
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}
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}
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}
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/*
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static UINT16 com_ram[256] =
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{
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x434F, 0x4D4E, 0x4F4B, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // COMNOK
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x574F, 0x524B, 0x4F4B, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // WORKOK
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x5355, 0x4E44, 0x4F4B, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // SUNDOK
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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};
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*/
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static READ64_HANDLER(ppc_common_r)
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{
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UINT64 r = 0;
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UINT32 address;
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logerror("com_r: %08X, %08X%08X\n", offset, (UINT32)(mem_mask >> 32), (UINT32)(mem_mask));
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address = offset * 4;
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if (ACCESSING_BITS_48_63)
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{
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r |= (UINT64)(common_ram[address]) << 48;
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r |= (UINT64)(common_ram[address+1]) << 56;
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}
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if (ACCESSING_BITS_16_31)
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{
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r |= (UINT64)(common_ram[address+2]) << 16;
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r |= (UINT64)(common_ram[address+3]) << 24;
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}
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/*
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if (offset < 0x7f)
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{
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int reg = (offset & 0x7f) * 2;
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if (!(mem_mask & U64(0xffff000000000000)))
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{
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r |= (UINT64)(com_ram[reg + 0]) << 48;
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}
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if (!(mem_mask & U64(0x00000000ffff0000)))
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{
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r |= (UINT64)(com_ram[reg + 1]) << 16;
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}
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}
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*/
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return r;
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}
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static UINT32 dsp_value = 0x4f4b0000;
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static UINT16 dsp_ram[0x1000];
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static READ64_HANDLER(dsp_r)
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{
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UINT64 r = 0;
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if (offset == 0x7fe)
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{
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if (!(mem_mask & U64(0xffffffff00000000)))
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{
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r |= (UINT64)(dsp_value) << 32;
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}
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}
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return r;
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}
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static WRITE64_HANDLER(dsp_w)
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{
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logerror("dsp_w: %08X, %08X%08X, %08X%08X\n", offset, (UINT32)(data >> 32), (UINT32)(data), (UINT32)(mem_mask >> 32), (UINT32)(mem_mask));
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if (offset == 0x7fe)
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{
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if (!(mem_mask & U64(0xffffffff00000000)))
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{
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dsp_value = data >> 32;
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}
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#if 0
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{
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int i;
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FILE *f = fopen("dspram.bin", "wb");
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for (i=0; i < 0x1000; i++)
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{
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fputc((dsp_ram[i] >> 0) & 0xff, f);
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fputc((dsp_ram[i] >> 8) & 0xff, f);
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}
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fclose(f);
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}
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#endif
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}
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if (!(mem_mask & U64(0xffff000000000000)))
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{
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int addr = offset * 2;
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dsp_ram[addr+0] = (data >> 48) & 0xffff;
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}
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if (!(mem_mask & U64(0x00000000ffff0000)))
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{
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int addr = offset * 2;
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dsp_ram[addr+1] = (data >> 16) & 0xffff;
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}
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}
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// BAT Config:
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// IBAT0 U: 0x40000002 L: 0x40000022 (0x40000000...0x4001ffff)
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// IBAT1 U: 0x0000007f L: 0x00000002 (0x00000000...0x003fffff)
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// IBAT2 U: 0xc0000003 L: 0xc0000022 (0xc0000000...0xc001ffff)
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// IBAT3 U: 0xfe0003ff L: 0xfe000022 (0xfe000000...0xffffffff)
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// DBAT0 U: 0x40000002 L: 0x40000022 (0x40000000...0x4001ffff)
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// DBAT1 U: 0x0000007f L: 0x00000002 (0x00000000...0x003fffff)
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// DBAT2 U: 0xc0000003 L: 0xc0000022 (0xc0000000...0xc001ffff)
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// DBAT3 U: 0xfe0003ff L: 0xfe000022 (0xfe000000...0xffffffff)
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static ADDRESS_MAP_START( ppc603e_mem, AS_PROGRAM, 64)
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AM_RANGE(0x00000000, 0x003fffff) AM_RAM // Work RAM
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AM_RANGE(0x40000000, 0x40000007) AM_RAM // Screen RAM (+ others?) data port
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AM_RANGE(0x40000008, 0x4000000f) AM_RAM // Screen RAM (+ others?) address port
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AM_RANGE(0xc0000ff8, 0xc0000fff) AM_RAM
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AM_RANGE(0x40000000, 0x4000000f) AM_READWRITE(video_r, video_w)
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AM_RANGE(0x80000000, 0x80003fff) AM_READWRITE(dsp_r, dsp_w)
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AM_RANGE(0xc0000000, 0xc000ffff) AM_READ(ppc_common_r)
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AM_RANGE(0xff000000, 0xff01ffff) AM_ROM AM_REGION("user2", 0)
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AM_RANGE(0xffe00000, 0xffffffff) AM_ROM AM_REGION("user1", 0)
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ADDRESS_MAP_END
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static READ8_HANDLER(tlcs_common_r)
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{
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return common_ram[offset];
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}
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static WRITE8_HANDLER(tlcs_common_w)
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{
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// printf("tlcs_common_w: %08X, %02X\n", offset, data);
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common_ram[offset] = data;
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}
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static READ8_HANDLER(tlcs_sound_r)
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{
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if (offset == 0x17)
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{
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return 0x55;
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}
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return 0;
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}
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static WRITE8_HANDLER(tlcs_sound_w)
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{
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// printf("tlcs_sound_w: %08X, %02X\n", offset, data);
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}
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// TLCS900 interrupt vectors
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// 0xfc0100: reset
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// 0xfc00ea: INT0 (dummy)
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// 0xfc00eb: INT1
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// 0xfc00f0: INT2
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// 0xfc00f5: INT3 (dummy)
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// 0xfc00f6: INT4 (dummy)
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// 0xfc00f7: INT5 (dummy)
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// 0xfc00f8: INT6
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// 0xfc00fd: INT7 (dummy)
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// 0xfc00fe: INT8 (dummy)
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// 0xfc0663: INTT1
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// 0xfc0f7d: INTRX0
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// 0xfc0f05: INTTX0
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// 0xfc0fb5: INTRX1
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// 0xfc0f41: INTTX1
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static ADDRESS_MAP_START( tlcs900h_mem, AS_PROGRAM, 8)
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AM_RANGE(0x010000, 0x02ffff) AM_RAM // Work RAM
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AM_RANGE(0x040000, 0x0400ff) AM_READWRITE(tlcs_sound_r, tlcs_sound_w)
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AM_RANGE(0x060000, 0x061fff) AM_READWRITE(tlcs_common_r, tlcs_common_w)
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AM_RANGE(0xfc0000, 0xffffff) AM_ROM AM_REGION("io_cpu", 0)
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ADDRESS_MAP_END
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static WRITE8_DEVICE_HANDLER( taitopjc_tlcs900_to1 )
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{
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}
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static WRITE8_DEVICE_HANDLER( taitopjc_tlcs900_to3 )
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{
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}
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static INPUT_PORTS_START( taitopjc )
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INPUT_PORTS_END
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@ -95,21 +385,33 @@ static const powerpc_config ppc603e_config =
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XTAL_66_6667MHz /* Multiplier 1.5, Bus = 66MHz, Core = 100MHz */
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};
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static MACHINE_CONFIG_START( taitopjc, taitopjc_state )
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static const tlcs900_interface taitopjc_tlcs900_interface =
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{
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DEVCB_HANDLER( taitopjc_tlcs900_to1 ),
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DEVCB_HANDLER( taitopjc_tlcs900_to3 )
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};
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static MACHINE_CONFIG_START( taitopjc, driver_device )
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MCFG_CPU_ADD("maincpu", PPC603E, 100000000)
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MCFG_CPU_CONFIG(ppc603e_config)
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MCFG_CPU_PROGRAM_MAP(ppc603e_mem)
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/* TMP95C063F I/O CPU */
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MCFG_CPU_ADD("iocpu", TLCS900H, 25000000)
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MCFG_CPU_CONFIG(taitopjc_tlcs900_interface)
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MCFG_CPU_PROGRAM_MAP(tlcs900h_mem)
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/* TMS320C53 DSP */
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/* MN1020819DA sound CPU - NOTE: May have 64kB internal ROM */
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MCFG_QUANTUM_TIME(attotime::from_hz(6000))
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MCFG_SCREEN_ADD("screen", RASTER)
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MCFG_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
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MCFG_SCREEN_REFRESH_RATE(60)
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MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
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MCFG_SCREEN_SIZE(512, 384)
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MCFG_SCREEN_VISIBLE_AREA(0, 511, 0, 383)
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MCFG_SCREEN_SIZE(640, 768)
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MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 767)
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MCFG_SCREEN_UPDATE(taitopjc)
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MCFG_VIDEO_START(taitopjc)
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