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reverse byte...

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This commit is contained in:
Romain Dolbeau 2022-08-20 19:27:57 +02:00
parent 6e8b0192e2
commit d1f07a12be
1 changed files with 2 additions and 1 deletions
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3
nubus-to-ztex-gateware/blit_goblin.c
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@ -1305,6 +1305,7 @@ static void bitblit_src32_dst32_fwd_fwd(const unsigned char op,
/*
3210
0321 // fsr by 8 ; could be rot
1230 // rev8
*/
static inline uint32_t pixelswap(const uint32_t p) {
@ -1312,7 +1313,7 @@ static inline uint32_t pixelswap(const uint32_t p) {
/* asm("fsr %0, %1, %2, %3\n" : "=r"(r) : "r"(r), "r"(r), "r"(8)); */
uint32_t r;
asm("fsr %0, %1, %2, %3\n" : "=r"(r) : "r"(p), "r"(p), "r"(8));
return r;
return __builtin_bswap32(r);
}
#define TRFOVERh(d,m,s) (d) = (ufma8vlv(pixelswap(s), (m), ufma8vlv((d), (0xffffffff^(m)), 0)))