+/*
+ * mode4/SMS renderer
+ * (C) notaz, 2009-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
/*
* TODO:
* - TMS9918 modes?
*/
#include "pico_int.h"
-static void (*FinalizeLineM4)(void);
+static void (*FinalizeLineM4)(int line);
static int skip_next_line;
static int screen_offset;
int lines = 192;
skip_next_line = 0;
screen_offset = 24;
- rendstatus = 0;
+ rendstatus = PDRAW_32_COLS;
if ((Pico.video.reg[0] & 6) == 6 && (Pico.video.reg[1] & 0x18)) {
if (Pico.video.reg[1] & 0x08) {
- rendstatus |= PDRAW_240LINES;
screen_offset = 0;
lines = 240;
}
}
}
- if (rendstatus != rendstatus_old) {
- rendstatus_old = rendstatus;
+ if (rendstatus != rendstatus_old || lines != rendlines) {
emu_video_mode_change(screen_offset, lines, 1);
+ rendstatus_old = rendstatus;
+ rendlines = lines;
}
+
+ DrawLineDest = (char *)DrawLineDestBase + screen_offset * DrawLineDestIncrement;
}
void PicoLineMode4(int line)
DrawDisplayM4(line);
if (FinalizeLineM4 != NULL)
- FinalizeLineM4();
+ FinalizeLineM4(line);
if (PicoScanEnd != NULL)
skip_next_line = PicoScanEnd(line + screen_offset);
+
+ DrawLineDest = (char *)DrawLineDest + DrawLineDestIncrement;
}
void PicoDoHighPal555M4(void)
t |= (t >> 4) & 0x08610861;
*dpal = t;
}
+ HighPal[0xe0] = 0;
}
-static void FinalizeLineRGB555M4(void)
+static void FinalizeLineRGB555M4(int line)
{
if (Pico.m.dirtyPal)
PicoDoHighPal555M4();
// standard FinalizeLine can finish it for us,
// with features like scaling and such
- FinalizeLineRGB555(0);
+ FinalizeLine555(0, line);
}
-static void FinalizeLine8bitM4(void)
+static void FinalizeLine8bitM4(int line)
{
unsigned char *pd = DrawLineDest;
memcpy32((int *)pd, (int *)(HighCol+8), 256/4);
}
-void PicoDrawSetColorFormatMode4(int which)
+void PicoDrawSetOutputMode4(pdso_t which)
{
switch (which)
{
- case 2: FinalizeLineM4 = FinalizeLine8bitM4; break;
- case 1: FinalizeLineM4 = FinalizeLineRGB555M4; break;
- default:FinalizeLineM4 = NULL; break;
+ case PDF_8BIT: FinalizeLineM4 = FinalizeLine8bitM4; break;
+ case PDF_RGB555: FinalizeLineM4 = FinalizeLineRGB555M4; break;
+ default: FinalizeLineM4 = NULL; break;
}
}