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firebeat: Fix 8x8 character rendering (nw)

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This commit is contained in:
Ville Linde 2015-07-02 20:02:22 +03:00
parent 8f2baab98a
commit be0d3f1e16
1 changed files with 8 additions and 3 deletions
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11
src/mame/drivers/firebeat.c
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@ -476,7 +476,7 @@ void firebeat_gcu_device::draw_object(UINT32 *cmd)
// 0x01: -------- xxxxxxxx xxxxxx-- -------- object y
// 0x01: -----x-- -------- -------- -------- object x flip
// 0x01: ----x--- -------- -------- -------- object y flip
// 0x01: ---x---- -------- -------- -------- object alpha enable (?)
// 0x01: --xx---- -------- -------- -------- object alpha enable (different blend modes?)
// 0x01: -x------ -------- -------- -------- object transparency enable (?)
// 0x02: -------- -------- ------xx xxxxxxxx object width
@ -493,7 +493,7 @@ void firebeat_gcu_device::draw_object(UINT32 *cmd)
int yscale = (cmd[3] >> 10) & 0x1ff;
bool xflip = (cmd[1] & 0x04000000) ? true : false;
bool yflip = (cmd[1] & 0x08000000) ? true : false;
bool alpha_enable = (cmd[1] & 0x10000000) ? true : false;
bool alpha_enable = (cmd[1] & 0x30000000) ? true : false;
bool trans_enable = (cmd[1] & 0x40000000) ? true : false;
UINT32 address = cmd[0] & 0xffffff;
int alpha_level = (cmd[2] >> 27) & 0x1f;
@ -682,6 +682,11 @@ void firebeat_gcu_device::draw_character(UINT32 *cmd)
y += m_fb_origin_y;
}
color[0] = cmd[2] >> 16;
color[1] = cmd[2] & 0xffff;
color[2] = cmd[3] >> 16;
color[3] = cmd[3] & 0xffff;
#if PRINT_GCU
printf("%s Draw Char %08X, x %d, y %d\n", basetag(), address, x, y);
#endif
@ -699,7 +704,7 @@ void firebeat_gcu_device::draw_character(UINT32 *cmd)
for (int i=0; i < 8; i++)
{
int p = (line >> ((7-i) * 2)) & 3;
vram16[(fbaddr+x+i) ^ NATIVE_ENDIAN_VALUE_LE_BE(1,0)] = color[p];
vram16[(fbaddr+x+i) ^ NATIVE_ENDIAN_VALUE_LE_BE(1,0)] = color[p] | 0x8000;
}
}
}