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decocass: center offsets, missile offsets, e900 banking, e900 enable

This commit is contained in:
dinkc64 2017-10-05 02:02:10 +00:00
parent a06344e779
commit b9980b8f17
1 changed files with 18 additions and 4 deletions
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22
src/burn/drv/dataeast/d_decocass.cpp
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@ -70,6 +70,9 @@ static UINT8 sound_ack;
static UINT8 audio_nmi_enabled;
static UINT8 audio_nmi_state;
static INT32 e900_enable = 0;
static INT32 e900_gfxbank = 0;
static UINT8 mux_data;
static UINT8 color_missiles;
@ -1966,9 +1969,11 @@ static void decode_ram_tiles()
static void set_gfx_bank(INT32 bank)
{
if (bank == 3) return;
e900_gfxbank = bank;
UINT8 *ptr = DrvCharRAM;
if (bank == 3 || !e900_enable) return;
UINT8 *ptr = DrvCharRAM; // bank == 0
if (bank == 1) ptr = DrvGfxData;
if (bank == 2) ptr = DrvGfxData + 0x5000;
@ -2717,6 +2722,8 @@ static INT32 DrvExit()
type1_inmap = 0;
type1_outmap = 0;
e900_enable = 0;
return 0;
}
@ -2901,7 +2908,7 @@ static void draw_center()
if (color_center_bot & 0x80)
color = (color & 4) + ((color << 1) & 2) + ((color >> 1) & 1);
sy = center_v_shift;
sy = center_v_shift - 8;
sx = (center_h_shift_space >> 2) & 0x3c;
for (y = 0; y < 4; y++)
@ -3042,7 +3049,7 @@ static INT32 DrvDraw()
if (nSpriteEnable & 1) draw_sprites((color_center_bot >> 1) & 1, 8, 0, DrvFgRAM, 0x20);
if (nBurnLayer & 8) draw_missiles(1, 0, DrvColRAM, 0x20);
if (nBurnLayer & 8) draw_missiles(1+8, 0, DrvColRAM, 0x20);
BurnTransferCopy(DrvPalette);
@ -3260,6 +3267,9 @@ static INT32 DrvScan(INT32 nAction, INT32 *pnMin)
if (nAction & ACB_WRITE) {
decode_ram_tiles();
M6502Open(0);
set_gfx_bank(e900_gfxbank);
M6502Close();
}
return 0;
@ -3849,6 +3859,8 @@ static INT32 CtislandInit()
type1_inmap = MAKE_MAP(2,1,0,3,4,5,6,7);
type1_outmap = MAKE_MAP(2,1,0,3,4,5,6,7);
e900_enable = 1;
return DecocassInit(decocass_type1_read,NULL);
}
@ -3945,6 +3957,8 @@ static INT32 CexploreInit()
{
type1_map = type1_latch_26_pass_5_inv_2_table;
e900_enable = 1;
return DecocassInit(decocass_type1_read,NULL);
}