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Diffstat (limited to 'src/rops.h.old')
| -rw-r--r-- | src/rops.h.old | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/src/rops.h.old b/src/rops.h.old deleted file mode 100644 index 899b007..0000000 --- a/src/rops.h.old +++ /dev/null @@ -1,118 +0,0 @@ -/* - Raster Operations macros -*/ - -// ------------- -// RGB_565 -// a.red = a.red - b.red -// a.blue = a.blue - b.blue -// a.green = a.green - b.green -/* -#define ROP_SUB(a, b) \ - " bics " #b ", " #b ", #0b00000100000100000 \n"\ - " orr " #a ", " #a ", #0b00000100000100000 \n"\ - " orr " #a ", " #a ", #0b10000000000000000 \n"\ - " sub " #a ", " #a ", " #b " \n"\ - " tst " #a ", #0b00000000000100000 \n"\ - " biceq " #a ", " #a ", #0b00000000000011111 \n"\ - " tst " #a ", #0b00000100000000000 \n"\ - " biceq " #a ", " #a ", #0b00000011111100000 \n"\ - " tst " #a ", #0b10000000000000000 \n"\ - " biceq " #a ", " #a ", #0b01111100000000000 \n" -*/ -#define ROP_SUB(a, b) \ - " bics " #b ", " #b ", #0b00000100000100000 \n"\ - " beq 999f \n"\ - " orr " #a ", " #a ", #0b00000100000100000 \n"\ - " orr " #a ", " #a ", #(1 << 31) \n"\ - " subs " #a ", " #a ", " #b " \n"\ - " bicpl " #a ", " #a ", #0b01111100000000000 \n"\ - " tst " #a ", #0b00000000000100000 \n"\ - " biceq " #a ", " #a ", #0b00000000000011111 \n"\ - " tst " #a ", #0b00000100000000000 \n"\ - " biceq " #a ", " #a ", #0b00000011111100000 \n"\ - "999:\n" - - -// ------------- -// RGB_565 -// if ZF set do ROP_SUB, else: -// a.red = (a.red - b.red) / 2 -// a.blue = (a.blue - b.blue) / 2 -// a.green = (a.green - b.green) / 2 -/* -#define ROP_SUB1_2(a, b) \ - " movne " #a ", " #a ", lsr #1 \n"\ - " bicne " #a ", " #a ", #0b00000010000010000 \n"\ - " movne " #b ", " #b ", lsr #1 \n"\ - " bicne " #b ", " #b ", #0b00000010000010000 \n"\ - \ - " bic " #b ", " #b ", #0b00000100000100000 \n"\ - " orr " #a ", " #a ", #0b00000100000100000 \n"\ - " orr " #a ", " #a ", #0b10000000000000000 \n"\ - " sub " #a ", " #a ", " #b " \n"\ - " tst " #a ", #0b00000000000100000 \n"\ - " biceq " #a ", " #a ", #0b00000000000011111 \n"\ - " tst " #a ", #0b00000100000000000 \n"\ - " biceq " #a ", " #a ", #0b00000011111100000 \n"\ - " tst " #a ", #0b10000000000000000 \n"\ - " biceq " #a ", " #a ", #0b01111100000000000 \n" -*/ - -#define ROP_SUB1_2(a, b) \ - " movne " #a ", " #a ", lsr #1 \n"\ - " bicne " #a ", " #a ", #0b00000010000010000 \n"\ - " movne " #b ", " #b ", lsr #1 \n"\ - " bicne " #b ", " #b ", #0b00000010000010000 \n"\ - \ - " bics " #b ", " #b ", #0b00000100000100000 \n"\ - " beq 999f \n"\ - " orr " #a ", " #a ", #0b00000100000100000 \n"\ - " orr " #a ", " #a ", #(1 << 31) \n"\ - " subs " #a ", " #a ", " #b " \n"\ - " bicpl " #a ", " #a ", #0b01111100000000000 \n"\ - " tst " #a ", #0b00000000000100000 \n"\ - " biceq " #a ", " #a ", #0b00000000000011111 \n"\ - " tst " #a ", #0b00000100000000000 \n"\ - " biceq " #a ", " #a ", #0b00000011111100000 \n"\ - "999:\n" - - -// ------------- -// RGB_565 -// a.red = a.red + b.red -// a.blue = a.blue + b.blue -// a.green = a.green + b.green -#define ROP_ADD(a, b) \ - " bics " #b ", " #b ", #0b00000100000100000 \n"\ - " beq 999f \n"\ - " bic " #a ", " #a ", #0b00000100000100000 \n"\ - " add " #a ", " #a ", " #b " \n"\ - " tst " #a ", #0b00000000000100000 \n"\ - " orrne " #a ", " #a ", #0b00000000000011111 \n"\ - " tst " #a ", #0b00000100000000000 \n"\ - " orrne " #a ", " #a ", #0b00000011111100000 \n"\ - " tst " #a ", #0b10000000000000000 \n"\ - " orrne " #a ", " #a ", #0b01111100000000000 \n"\ - "999:\n" - -// ------------- -// RGB_565 -// if ZF set do ROP_ADD, else: -// a.red = (a.red + b.red) / 2 -// a.blue = (a.blue + b.blue) / 2 -// a.green = (a.green + b.green) / 2 -#define ROP_ADD1_2(a, b) \ - " bic " #a ", " #a ", #0b00000100000100000 \n"\ - " bicne " #a ", " #a ", #0b00001000001000000 \n"\ - " bic " #b ", " #b ", #0b00000100000100000 \n"\ - " bicne " #b ", " #b ", #0b00001000001000000 \n"\ - " add " #a ", " #a ", " #b " \n"\ - " movne " #a ", " #a ", lsr #1 \n"\ - " tst " #a ", #0b00000000000100000 \n"\ - " orrne " #a ", " #a ", #0b00000000000011111 \n"\ - " tst " #a ", #0b00000100000000000 \n"\ - " orrne " #a ", " #a ", #0b00000011111100000 \n"\ - " tst " #a ", #0b10000000000000000 \n"\ - " orrne " #a ", " #a ", #0b01111100000000000 \n" - |