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better tilebank (nw)

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This commit is contained in:
David Haywood 2014-09-18 21:15:34 +00:00
parent 5142923eaf
commit 2c4fb16b6e
1 changed files with 6 additions and 2 deletions
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8
src/mame/drivers/r2dx_v33.c
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@ -72,13 +72,13 @@ WRITE16_MEMBER(r2dx_v33_state::tile_bank_w)
{
if(ACCESSING_BITS_0_7) {
int new_bank;
new_bank = 0 | ((data & 0x10)>>3);
new_bank = ((data & 0x10)>>4);
if(new_bank != bg_bank) {
bg_bank = new_bank;
background_layer->mark_all_dirty();
}
new_bank = 1 | ((data & 0x20)>>4);
new_bank = 2 + ((data & 0x20)>>5);
if(new_bank != mid_bank) {
mid_bank = new_bank;
midground_layer->mark_all_dirty();
@ -216,6 +216,10 @@ WRITE16_MEMBER(r2dx_v33_state::r2dx_rom_bank_w)
static ADDRESS_MAP_START( rdx_v33_map, AS_PROGRAM, 16, r2dx_v33_state )
AM_RANGE(0x00000, 0x003ff) AM_RAM // vectors copied here
AM_RANGE(0x00400, 0x00401) AM_WRITENOP // tilemaps to private buffer
AM_RANGE(0x00402, 0x00403) AM_WRITENOP // palettes to private buffer
AM_RANGE(0x00404, 0x00405) AM_WRITE(r2dx_rom_bank_w)
AM_RANGE(0x00406, 0x00407) AM_WRITE(tile_bank_w)