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r2dx_v33: fix tile banking (nw)

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This commit is contained in:
Olivier Galibert 2014-09-18 19:03:23 +00:00
parent 0af933735a
commit ec708bdf92
1 changed files with 26 additions and 0 deletions
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26
src/mame/drivers/r2dx_v33.c
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@ -32,6 +32,7 @@ public:
optional_device<eeprom_serial_93cxx_device> m_eeprom;
DECLARE_WRITE16_MEMBER(tile_bank_w);
DECLARE_WRITE16_MEMBER(rdx_bg_vram_w);
DECLARE_WRITE16_MEMBER(rdx_md_vram_w);
DECLARE_WRITE16_MEMBER(rdx_fg_vram_w);
@ -59,6 +60,29 @@ public:
void draw_sprites(bitmap_ind16 &bitmap,const rectangle &cliprect,int pri);
};
WRITE16_MEMBER(r2dx_v33_state::tile_bank_w)
{
if(ACCESSING_BITS_0_7) {
int new_bank;
new_bank = 0 | ((data & 0x10)>>3);
if(new_bank != bg_bank) {
bg_bank = new_bank;
background_layer->mark_all_dirty();
}
new_bank = 1 | ((data & 0x20)>>4);
if(new_bank != mid_bank) {
mid_bank = new_bank;
midground_layer->mark_all_dirty();
}
new_bank = 4 | (data & 3);
if(new_bank != fg_bank) {
fg_bank = new_bank;
foreground_layer->mark_all_dirty();
}
}
}
WRITE16_MEMBER(r2dx_v33_state::rdx_v33_eeprom_w)
{
@ -180,6 +204,8 @@ WRITE16_MEMBER(r2dx_v33_state::mcu_table2_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(0x00406, 0x00407) AM_WRITE(tile_bank_w)
// AM_RANGE(0x00400, 0x00407) AM_WRITE(mcu_table_w)
AM_RANGE(0x00420, 0x00429) AM_WRITE(mcu_table2_w)