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sms wip: random tweaks, refactoring (palette, sound stuff, etc)
[picodrive.git]
/
pico
/
mode4.c
diff --git
a/pico/mode4.c
b/pico/mode4.c
index
095250f
..
3beb709
100644
(file)
--- a/
pico/mode4.c
+++ b/
pico/mode4.c
@@
-190,17
+190,26
@@
static void DrawDisplayM4(int scanline)
void PicoFrameStartMode4(void)
{
void PicoFrameStartMode4(void)
{
+ int lines = 192;
skip_next_line = 0;
screen_offset = 24;
skip_next_line = 0;
screen_offset = 24;
- rendstatus = PDRAW_192LINES;
+ rendstatus = 0;
+
if ((Pico.video.reg[0] & 6) == 6 && (Pico.video.reg[1] & 0x18)) {
if ((Pico.video.reg[0] & 6) == 6 && (Pico.video.reg[1] & 0x18)) {
- rendstatus &= ~PDRAW_192LINES;
if (Pico.video.reg[1] & 0x08) {
if (Pico.video.reg[1] & 0x08) {
- screen_offset = 0;
rendstatus |= PDRAW_240LINES;
rendstatus |= PDRAW_240LINES;
+ screen_offset = 0;
+ lines = 240;
}
}
- else
// it's 224 lines
+ else
{
screen_offset = 8;
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)
{
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 (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)
{
}
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)
}
void PicoDrawSetColorFormatMode4(int which)