RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

sms wip: random tweaks, refactoring (palette, sound stuff, etc)

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@764 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-08-28 20:16:33 +00:00
parent 460603fa81
commit 19954be196
13 changed files with 168 additions and 136 deletions
Download patch file Download diff file Expand all files Collapse all files

41
pico/mode4.c
View file

@ -190,17 +190,26 @@ static void DrawDisplayM4(int scanline)
void PicoFrameStartMode4(void)
{
int lines = 192;
skip_next_line = 0;
screen_offset = 24;
rendstatus = PDRAW_192LINES;
rendstatus = 0;
if ((Pico.video.reg[0] & 6) == 6 && (Pico.video.reg[1] & 0x18)) {
rendstatus &= ~PDRAW_192LINES;
if (Pico.video.reg[1] & 0x08) {
screen_offset = 0;
rendstatus |= PDRAW_240LINES;
screen_offset = 0;
lines = 240;
}
else // it's 224 lines
else {
screen_offset = 8;
lines = 224;
}
}
if (rendstatus != rendstatus_old) {
rendstatus_old = rendstatus;
emu_video_mode_change(screen_offset, lines, 1);
}
}
@ -251,28 +260,22 @@ void PicoDoHighPal555M4(void)
static void FinalizeLineRGB555M4(void)
{
unsigned short *pd=DrawLineDest;
unsigned char *ps=HighCol+8;
unsigned short *pal=HighPal;
int i;
if (Pico.m.dirtyPal)
PicoDoHighPal555M4();
if (!(PicoOpt & POPT_DIS_32C_BORDER))
pd += 32;
for (i = 256/4; i > 0; i--) {
*pd++ = pal[*ps++];
*pd++ = pal[*ps++];
*pd++ = pal[*ps++];
*pd++ = pal[*ps++];
}
// standard FinalizeLine can finish it for us,
// with features like scaling and such
FinalizeLineRGB555(0);
}
static void FinalizeLine8bitM4(void)
{
memcpy32(DrawLineDest, (int *)(HighCol+8), 256/4);
unsigned char *pd = DrawLineDest;
if (!(PicoOpt & POPT_DIS_32C_BORDER))
pd += 32;
memcpy32((int *)pd, (int *)(HighCol+8), 256/4);
}
void PicoDrawSetColorFormatMode4(int which)