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Video registers are waaaay outside of the supposed range.

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This commit is contained in:
angelosa 2015-07-07 00:45:26 +02:00
parent e3babf8351
commit 6ab10fbcd3
1 changed files with 14 additions and 4 deletions
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18
src/mame/drivers/coolridr.c
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@ -344,7 +344,8 @@ public:
// store the blit params here
UINT32 m_spriteblit[12];
UINT32 m_vregs_address;
UINT32 m_clipvals[2][3];
UINT8 m_clipblitterMode[2]; // hack
@ -782,6 +783,7 @@ void coolridr_state::coolriders_drawgfx_transpen(bitmap_ind16 &dest, const recta
void coolridr_state::draw_bg_coolridr(bitmap_ind16 &bitmap, const rectangle &cliprect, int which)
{
int bg_r,bg_g,bg_b;
address_space &space = m_maincpu->space(AS_PROGRAM);
if(m_pen_fill[which])
{
@ -807,7 +809,7 @@ void coolridr_state::draw_bg_coolridr(bitmap_ind16 &bitmap, const rectangle &cli
UINT8 transpen_setting;
gfx_element *gfx = m_gfxdecode->gfx(m_gfx_index);
#define VREG(_offs) \
m_framebuffer_vram[(0x9b80+_offs+which*0x40)/4]
space.read_dword(m_vregs_address+_offs+which*0x40)
scrollx = (VREG(0x2c) >> 16) & 0x7ff;
scrolly = VREG(0x2c) & 0x3ff;
@ -2729,7 +2731,7 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
do{
cmd = (m_framebuffer_vram[(0+dma_index)/4] & 0xfc000000) >> 24;
switch(cmd)
{
case 0x00: /* end of list marker */
@ -2740,6 +2742,8 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
src = (m_framebuffer_vram[(0+dma_index)/4] & 0x03ffffff);
dst = (m_framebuffer_vram[(4+dma_index)/4]);
size = m_framebuffer_vram[(8+dma_index)/4];
printf("%08x %08x %04x\n",src,dst,size);
if(dst & 0xfff00001)
printf("unk values to %02x dst %08x\n",cmd,dst);
dst &= 0x000ffffe;
@ -2795,12 +2799,17 @@ void coolridr_state::sysh1_dma_transfer( address_space &space, UINT16 dma_index
dma_index+=0xc;
break;
case 0x04: /* init - value 0x040c80d2 (unknown purpose, slave mode?) */
break;
case 0x10: /* sets up look-up for tilemap video registers */
m_vregs_address = (m_framebuffer_vram[(0+dma_index)/4] & 0x03ffffff);
dma_index+=4;
break;
case 0x04: /* init - value 0x040c80d2 (unknown purpose, slave mode?) */
case 0x20: /* screen 1 - linescroll/zoom table? (default values) */
case 0x24: /* screen 2 / */
case 0x50: /* screen 1 - unknown */
case 0x54: /* screen 2 / */
//printf("%02x %08x\n",cmd,m_framebuffer_vram[(0+dma_index)/4]);
dma_index+=4;
break;
case 0x30: /* screen 1 - 0x80 at boot, then 0x808080 */
@ -2858,6 +2867,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START(aquastge_h1_map, AS_PROGRAM, 32, coolridr_state)
AM_RANGE(0x03c00000, 0x03c0ffff) AM_MIRROR(0x00200000) AM_RAM_WRITE(sysh1_dma_w) AM_SHARE("fb_vram") /* mostly mapped at 0x03e00000 */
AM_RANGE(0x03f50000, 0x03f5ffff) AM_RAM // video registers
AM_RANGE(0x03e10000, 0x03e1ffff) AM_RAM AM_SHARE("share3") /*Communication area RAM*/
AM_RANGE(0x03f00000, 0x03f0ffff) AM_RAM AM_SHARE("share3") /*Communication area RAM*/
AM_IMPORT_FROM(system_h1_map)