libretro/beetle-pce-fast-libretro
1
0
Fork 0
mirror of https://github.com/libretro/beetle-pce-fast-libretro.git synced 2024-11-23 07:50:03 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Cleanups - vdc.cpp

Browse Source
This commit is contained in:
twinaphex 2015-09-23 01:18:17 +02:00
parent 7564fe7870
commit 409d2b26bf
1 changed files with 11 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
mednafen/pce_fast/vdc.cpp
View File

@ -323,9 +323,7 @@ DECLFW(VDC_Write)
int msb = A & 1;
int chip = 0;
{
A &= 0x3;
}
A &= 0x3;
//if((A == 0x2 || A == 0x3) && ((vdc->select & 0x1f) >= 0x09) && ((vdc->select & 0x1f) <= 0x13))
//printf("%04x, %02x: %02x, %d\n", A, vdc->select, V, vdc->display_counter);
@ -441,37 +439,6 @@ static INLINE void CalcStartEnd(const vdc_t *vdc, uint32 &start, uint32 &end)
// For: alignment space when correct_aspect == 0
end += 128;
start += 128;
#if 0
uint32 display_width;
display_width = (M_vdc_HDW + 1) * 8;
if(display_width > ClockModeWidths[vce.dot_clock])
display_width = ClockModeWidths[vce.dot_clock];
start = (ClockModeWidths[vce.dot_clock] - display_width) / 2;
// For: start - (vdc->BG_XOffset & 7)
start += 8;
// For: alignment space when correct_aspect == 0
start += 128;
// Semi-hack for Asuka 120%
if(vce.dot_clock == 1 && M_vdc_HDS == 5 && M_vdc_HDE == 6 && M_vdc_HDW == 43 && M_vdc_HSW == 2)
start += 8;
else if(vce.dot_clock == 0 && M_vdc_HDS == 2 && M_vdc_HDE == 3 && M_vdc_HDW == 33 && M_vdc_HSW == 2)
start += 4;
// and for Addams Family
else if(vce.dot_clock == 1 && M_vdc_HDS == 4 && M_vdc_HDE == 4 && M_vdc_HDW == 43 && M_vdc_HSW == 9)
start += 4;
//MDFN_DispMessage((UTF8*)"dc: %d, %d %d %d %d; %d %d\n", vce.dot_clock, M_vdc_HDS, M_vdc_HDE, M_vdc_HDW, M_vdc_HSW, start, (M_vdc_HDS + 1) * 8);
end = start + display_width;
if(end > (ClockModeWidths[vce.dot_clock] + 8 + 128))
end = ClockModeWidths[vce.dot_clock] + 8 + 128;
#endif
}
#define CB_EXL(n) (((n) << 4) | ((n) << 12) | ((n) << 20) | ((n) << 28) | ((n) << 36) | ((n) << 44) | ((n) << 52) | ((n) << 60))
@ -691,18 +658,18 @@ static void DrawSprites(vdc_t *vdc, const int32 end, uint16 *spr_linebuf)
if(SpriteList[i].flags & SPRF_PRIORITY)
prio_or |= SPR_HPMASK;
const uint8 *pix_source = vdc->spr_tile_cache[SpriteList[i].no][SpriteList[i].sub_y];
int increment = -1;
int32 x_second = 15;
if(SpriteList[i].flags & SPRF_HFLIP)
{
increment = 1;
x_second = 0;
}
if((SpriteList[i].flags & SPRF_SPRITE0) && (vdc->CR & 0x01))
{
const uint8 *pix_source = vdc->spr_tile_cache[SpriteList[i].no][SpriteList[i].sub_y];
int increment = -1;
int32 x_second = 15;
if(SpriteList[i].flags & SPRF_HFLIP)
{
increment = 1;
x_second = 0;
}
for(int32 x = 0; x < 16; x++, x_second += increment)
{
const uint32 raw_pixel = pix_source[x_second];
@ -725,14 +692,6 @@ static void DrawSprites(vdc_t *vdc, const int32 end, uint16 *spr_linebuf)
{
// x must be signed, for "pos + x" to not be promoted to unsigned, which will cause a stack overflow.
//
const uint8 *pix_source = vdc->spr_tile_cache[SpriteList[i].no][SpriteList[i].sub_y];
int increment = -1;
int32 x_second = 15;
if(SpriteList[i].flags & SPRF_HFLIP)
{
increment = 1;
x_second = 0;
}
for(int32 x = 0; x < 16; x++, x_second += increment)
{