+#include "../pico_int.h"
+
+static void convert_pal555(void)
+{
+ unsigned int *ps = (void *)Pico32xMem->pal;
+ unsigned int *pd = (void *)Pico32xMem->pal_native;
+ unsigned int m1 = 0x001f001f;
+ unsigned int m2 = 0x03e003e0;
+ unsigned int m3 = 0xfc00fc00;
+ int i;
+
+ // place prio to LS green bit
+ for (i = 0x100/2; i > 0; i--, ps++, pd++) {
+ unsigned int t = *ps;
+ *pd = ((t & m1) << 11) | ((t & m2) << 1) | ((t & m3) >> 10);
+ }
+
+ Pico32x.dirty_pal = 0;
+}
+
+void FinalizeLine32xRGB555(int sh, int line)
+{
+ unsigned short *pd = DrawLineDest;
+ unsigned short *pal = Pico32xMem->pal_native;
+ unsigned char *pb = HighCol + 8;
+ unsigned short cram0;
+
+ // this is a bit hackish:
+ // we swap cram color 0 with color that is used for background,
+ // as bg is forced to 0 when we do 32X
+ cram0 = Pico.cram[0];
+ Pico.cram[0] = Pico.cram[Pico.video.reg[7] & 0x3f];
+
+ FinalizeLineRGB555(sh, line);
+ Pico.cram[0] = cram0;
+
+ if ((Pico32x.vdp_regs[0] & 3) == 0)
+ return; // blanking
+
+ if (Pico32x.dirty_pal)
+ convert_pal555();
+
+ if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 1) {
+ unsigned short *dram = (void *)Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];
+ unsigned short *ps = dram + dram[line];
+ unsigned short t;
+ int i;
+ for (i = 320/2; i > 0; i--, ps++, pd += 2, pb += 2) {
+ t = pal[*ps >> 8];
+ if (pb[0] == 0 || (t & 0x20))
+ pd[0] = t;
+ t = pal[*ps & 0xff];
+ if (pb[1] == 0 || (t & 0x20))
+ pd[1] = t;
+ }
+ }
+}
+