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32x: various gfx related bugfixes
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@856 be3aeb3a-fb24-0410-a615-afba39da0efa
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parent
5a68108691
commit
e51e5983fe
6 changed files with 45 additions and 27 deletions
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@ -50,19 +50,12 @@ static void convert_pal555(int invert_prio)
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{ \
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unsigned short t; \
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int i; \
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for (i = 320/2; i > 0; i--, p32x++) { \
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t = pal[*p32x >> 8]; \
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for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
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t = pal[*(unsigned char *)((long)p32x ^ 1)]; \
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if (*pmd == mdbg || (t & 0x20)) \
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*pd = t; \
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else \
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pmd_draw_code; \
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pd++; pmd++; \
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t = pal[*p32x & 0xff]; \
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if (*pmd == mdbg || (t & 0x20)) \
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*pd = t; \
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else \
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pmd_draw_code; \
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pd++; pmd++; \
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} \
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}
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@ -114,7 +107,10 @@ void FinalizeLine32xRGB555(int sh, int line)
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convert_pal555(Pico32x.vdp_regs[0] & P32XV_PRI);
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if ((Pico32x.vdp_regs[0] & P32XV_Mx) == 1) { // Packed Pixel Mode
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do_line_pp(pd, p32x, pmd,);
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unsigned char *p32xb = (void *)p32x;
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if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT)
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p32xb++;
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do_line_pp(pd, p32xb, pmd,);
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}
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else { // Run Length Mode
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do_line_rl(pd, p32x, pmd,);
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@ -125,22 +121,22 @@ void FinalizeLine32xRGB555(int sh, int line)
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*dst = palmd[*pmd]
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#define PICOSCAN_PRE \
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PicoScan32xBegin(l + (lines_offs & 0xff)); \
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PicoScan32xBegin(l + (lines_sft_offs & 0xff)); \
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dst = DrawLineDest; \
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#define PICOSCAN_POST \
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PicoScan32xEnd(l + (lines_offs & 0xff)); \
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PicoScan32xEnd(l + (lines_sft_offs & 0xff)); \
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#define make_do_loop(name, pre_code, post_code, md_code) \
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/* Direct Color Mode */ \
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static void do_loop_dc##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg) \
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unsigned short *dram, int lines_sft_offs, int mdbg) \
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{ \
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int inv_bit = (Pico32x.vdp_regs[0] & P32XV_PRI) ? 0x8000 : 0; \
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unsigned char *pmd = PicoDraw2FB + 328 * 8 + 8; \
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unsigned short *palmd = HighPal; \
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unsigned short *p32x; \
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int lines = lines_offs >> 16; \
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int lines = lines_sft_offs >> 16; \
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int l; \
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(void)palmd; \
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for (l = 0; l < lines; l++, pmd += 8) { \
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@ -153,18 +149,19 @@ static void do_loop_dc##name(unsigned short *dst, \
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\
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/* Packed Pixel Mode */ \
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static void do_loop_pp##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg) \
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unsigned short *dram, int lines_sft_offs, int mdbg) \
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{ \
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unsigned short *pal = Pico32xMem->pal_native; \
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unsigned char *pmd = PicoDraw2FB + 328 * 8 + 8; \
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unsigned short *palmd = HighPal; \
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unsigned short *p32x; \
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int lines = lines_offs >> 16; \
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unsigned char *p32x; \
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int lines = lines_sft_offs >> 16; \
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int l; \
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(void)palmd; \
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for (l = 0; l < lines; l++, pmd += 8) { \
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pre_code; \
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p32x = dram + dram[l]; \
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p32x = (void *)(dram + dram[l]); \
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p32x += (lines_sft_offs >> 8) & 1; \
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do_line_pp(dst, p32x, pmd, md_code); \
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post_code; \
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} \
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@ -172,13 +169,13 @@ static void do_loop_pp##name(unsigned short *dst, \
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\
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/* Run Length Mode */ \
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static void do_loop_rl##name(unsigned short *dst, \
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unsigned short *dram, int lines_offs, int mdbg) \
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unsigned short *dram, int lines_sft_offs, int mdbg) \
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{ \
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unsigned short *pal = Pico32xMem->pal_native; \
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unsigned char *pmd = PicoDraw2FB + 328 * 8 + 8; \
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unsigned short *palmd = HighPal; \
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unsigned short *p32x; \
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int lines = lines_offs >> 16; \
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int lines = lines_sft_offs >> 16; \
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int l; \
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(void)palmd; \
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for (l = 0; l < lines; l++, pmd += 8) { \
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@ -217,6 +214,7 @@ void PicoDraw32xLayer(int offs, int lines, int md_bg)
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int have_scan = PicoScan32xBegin != NULL && PicoScan32xEnd != NULL;
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const do_loop_func *do_loop;
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unsigned short *dram;
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int lines_sft_offs;
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int which_func;
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DrawLineDest = DrawLineDestBase + offs * DrawLineDestIncrement;
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@ -253,8 +251,11 @@ do_it:
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which_func = have_scan ? DO_LOOP_MD_SCAN : DO_LOOP_MD;
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else
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which_func = have_scan ? DO_LOOP_SCAN : DO_LOOP;
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lines_sft_offs = (lines << 16) | offs;
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if (Pico32x.vdp_regs[2 / 2] & P32XV_SFT)
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lines_sft_offs |= 1 << 8;
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do_loop[which_func](DrawLineDest, dram, (lines << 16) | offs, md_bg);
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do_loop[which_func](DrawLineDest, dram, lines_sft_offs, md_bg);
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}
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void PicoDraw32xSetFrameMode(int is_on, int only_32x)
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