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| author | twinaphex | 2015-11-08 02:48:12 +0100 |
|---|---|---|
| committer | twinaphex | 2015-11-08 02:48:12 +0100 |
| commit | 6668281f17bbee8463e1fa4c97333d5d0b8d08c8 (patch) | |
| tree | 902bed544bb0feebc90d78644d3f91e35d7a234f /src/gfx.h | |
| parent | ee44145406cbe2c1a77772c02683ed3f578c737d (diff) | |
| download | snes9x2002-6668281f17bbee8463e1fa4c97333d5d0b8d08c8.tar.gz snes9x2002-6668281f17bbee8463e1fa4c97333d5d0b8d08c8.tar.bz2 snes9x2002-6668281f17bbee8463e1fa4c97333d5d0b8d08c8.zip | |
Add non-ARM ASM version of SWAP_DWORD
Diffstat (limited to 'src/gfx.h')
| -rw-r--r-- | src/gfx.h | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -157,6 +157,7 @@ extern uint8 mul_brightness [16][32]; //#define SWAP_DWORD(dw) dw = ((dw & 0xff) << 24) | ((dw & 0xff00) << 8) | \ // ((dw & 0xff0000) >> 8) | ((dw & 0xff000000) >> 24) // by Harald Kipp, from http://www.ethernut.de/en/documents/arm-inline-asm.html +#ifdef ARM_ASM #define SWAP_DWORD(val) \ __asm__ __volatile__ ( \ "eor r3, %1, %1, ror #16\n\t" \ @@ -167,7 +168,12 @@ extern uint8 mul_brightness [16][32]; : "0"(val) \ : "r3", "cc" \ ); - +#else +#define SWAP_DWORD(dword) ((((unsigned int)(dword) & 0x000000ff) << 24) \ + | (((unsigned int)(dword) & 0x0000ff00) << 8) \ + | (((unsigned int)(dword) & 0x00ff0000) >> 8) \ + | (((unsigned int)(dword) & 0xff000000) >> 24)) +#endif #ifdef FAST_LSB_WORD_ACCESS #define READ_2BYTES(s) (*(uint16 *) (s)) |