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32x: more wip

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@774 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-09-14 10:41:30 +00:00
parent 974fdb5bfd
commit 5e49c3a88d
9 changed files with 100 additions and 34 deletions
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15
pico/32x/draw.c
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@ -1,18 +1,22 @@
#include "../pico_int.h"
static void convert_pal555(void)
static void convert_pal555(int invert_prio)
{
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;
unsigned int inv = 0;
int i;
if (invert_prio)
inv = 0x00200020;
// 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);
*pd = (((t & m1) << 11) | ((t & m2) << 1) | ((t & m3) >> 10)) ^ inv;
}
Pico32x.dirty_pal = 0;
@ -34,11 +38,14 @@ void FinalizeLine32xRGB555(int sh, int line)
FinalizeLineRGB555(sh, line);
Pico.cram[0] = cram0;
if ((Pico32x.vdp_regs[0] & 3) == 0)
if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 0)
return; // blanking
if (!(PicoDrawMask & PDRAW_32X_ON))
return;
if (Pico32x.dirty_pal)
convert_pal555();
convert_pal555(Pico32x.vdp_regs[0] & P32XV_PRI);
if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 1) {
unsigned short *dram = (void *)Pico32xMem->dram[Pico32x.vdp_regs[0x0a/2] & P32XV_FS];