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not worth mention: snes.c: one more variable moved from snes_ram to the driver state

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This commit is contained in:
Fabio Priuli 2010-04-02 05:36:18 +00:00
parent b64d429b8e
commit 93ecc1d425
1 changed files with 14 additions and 18 deletions
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32
src/mame/video/snes.c
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@ -1737,7 +1737,7 @@ static void snes_dynamic_res_change( running_machine *machine )
INLINE UINT32 snes_get_vram_address( running_machine *machine )
{
snes_state *state = (snes_state *)machine->driver_data;
UINT32 addr = (snes_ram[VMADDH] << 8) | snes_ram[VMADDL];
UINT32 addr = state->vmadd;
if (state->vram_fgr_count)
{
@ -2027,9 +2027,7 @@ READ8_HANDLER( snes_ppu_read )
state->vram_read_buffer = snes_vram_read(space, addr);
state->vram_read_buffer |= (snes_vram_read(space, addr + 1) << 8);
addr = ((snes_ram[VMADDH] << 8) | snes_ram[VMADDL]) + state->vram_fgr_increment;
snes_ram[VMADDL] = addr & 0xff;
snes_ram[VMADDH] = (addr >> 8) & 0xff;
state->vmadd = (state->vmadd + state->vram_fgr_increment) & 0xffff;
}
return snes_ppu.ppu1_open_bus;
@ -2044,9 +2042,7 @@ READ8_HANDLER( snes_ppu_read )
state->vram_read_buffer = snes_vram_read(space, addr);
state->vram_read_buffer |= (snes_vram_read(space, addr + 1) << 8);
addr = ((snes_ram[VMADDH] << 8) | snes_ram[VMADDL]) + state->vram_fgr_increment;
snes_ram[VMADDL] = addr & 0xff;
snes_ram[VMADDH] = (addr >> 8) & 0xff;
state->vmadd = (state->vmadd + state->vram_fgr_increment) & 0xffff;
}
return snes_ppu.ppu1_open_bus;
@ -2270,10 +2266,18 @@ WRITE8_HANDLER( snes_ppu_write )
// printf("VMAIN: high %x inc %x count %x mask %x shift %x\n", state->vram_fgr_high, state->vram_fgr_increment, state->vram_fgr_count, state->vram_fgr_mask, state->vram_fgr_shift);
break;
case VMADDL: /* Address for VRAM read/write (low) */
{
UINT32 addr;
state->vmadd = (state->vmadd & 0xff00) | (data << 0);
addr = snes_get_vram_address(space->machine) << 1;
state->vram_read_buffer = snes_vram_read(space, addr);
state->vram_read_buffer |= (snes_vram_read(space, addr + 1) << 8);
}
break;
case VMADDH: /* Address for VRAM read/write (high) */
{
UINT32 addr;
snes_ram[offset] = data;
state->vmadd = (state->vmadd & 0x00ff) | (data << 8);
addr = snes_get_vram_address(space->machine) << 1;
state->vram_read_buffer = snes_vram_read(space, addr);
state->vram_read_buffer |= (snes_vram_read(space, addr + 1) << 8);
@ -2285,11 +2289,7 @@ WRITE8_HANDLER( snes_ppu_write )
snes_vram_write(space, addr, data);
if (!state->vram_fgr_high)
{
addr = ((snes_ram[VMADDH] << 8) | snes_ram[VMADDL]) + state->vram_fgr_increment;
snes_ram[VMADDL] = addr & 0xff;
snes_ram[VMADDH] = (addr >> 8) & 0xff;
}
state->vmadd = (state->vmadd + state->vram_fgr_increment) & 0xffff;
}
return;
case VMDATAH: /* 2119: Data for VRAM write (high) */
@ -2298,11 +2298,7 @@ WRITE8_HANDLER( snes_ppu_write )
snes_vram_write(space, addr + 1, data);
if (state->vram_fgr_high)
{
addr = ((snes_ram[VMADDH] << 8) | snes_ram[VMADDL]) + state->vram_fgr_increment;
snes_ram[VMADDL] = addr & 0xff;
snes_ram[VMADDH] = (addr >> 8) & 0xff;
}
state->vmadd = (state->vmadd + state->vram_fgr_increment) & 0xffff;
}
return;
case M7SEL: /* Mode 7 initial settings */