1 #include "../pico_int.h"
3 static void convert_pal555(int invert_prio)
5 unsigned int *ps = (void *)Pico32xMem->pal;
6 unsigned int *pd = (void *)Pico32xMem->pal_native;
7 unsigned int m1 = 0x001f001f;
8 unsigned int m2 = 0x03e003e0;
9 unsigned int m3 = 0xfc00fc00;
16 // place prio to LS green bit
17 for (i = 0x100/2; i > 0; i--, ps++, pd++) {
19 *pd = (((t & m1) << 11) | ((t & m2) << 1) | ((t & m3) >> 10)) ^ inv;
22 Pico32x.dirty_pal = 0;
25 void FinalizeLine32xRGB555(int sh, int line)
27 unsigned short *pd = DrawLineDest;
28 unsigned short *pal = Pico32xMem->pal_native;
29 unsigned char *pb = HighCol + 8;
32 // this is a bit hackish:
33 // we swap cram color 0 with color that is used for background,
34 // as bg is forced to 0 when we do 32X
36 Pico.cram[0] = Pico.cram[Pico.video.reg[7] & 0x3f];
38 FinalizeLineRGB555(sh, line);
41 if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0)
44 if (!(PicoDrawMask & PDRAW_32X_ON))
47 if (Pico32x.dirty_pal)
48 convert_pal555(Pico32x.vdp_regs[0] & P32XV_PRI);
50 if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 1) {
51 unsigned short *dram = (void *)Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];
52 unsigned short *ps = dram + dram[line];
55 for (i = 320/2; i > 0; i--, ps++, pd += 2, pb += 2) {
57 if (pb[0] == 0 || (t & 0x20))
60 if (pb[1] == 0 || (t & 0x20))