mirror of https://github.com/bsnes-emu/bsnes.git
39 lines
1.5 KiB
C++
39 lines
1.5 KiB
C++
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#ifndef NALL_ENDIAN_HPP
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#define NALL_ENDIAN_HPP
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#if !defined(ARCH_MSB)
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//little-endian: uint8_t[] { 0x01, 0x02, 0x03, 0x04 } == 0x04030201
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#define order_lsb2(a,b) a,b
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#define order_lsb3(a,b,c) a,b,c
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#define order_lsb4(a,b,c,d) a,b,c,d
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#define order_lsb5(a,b,c,d,e) a,b,c,d,e
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#define order_lsb6(a,b,c,d,e,f) a,b,c,d,e,f
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#define order_lsb7(a,b,c,d,e,f,g) a,b,c,d,e,f,g
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#define order_lsb8(a,b,c,d,e,f,g,h) a,b,c,d,e,f,g,h
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#define order_msb2(a,b) b,a
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#define order_msb3(a,b,c) c,b,a
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#define order_msb4(a,b,c,d) d,c,b,a
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#define order_msb5(a,b,c,d,e) e,d,c,b,a
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#define order_msb6(a,b,c,d,e,f) f,e,d,c,b,a
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#define order_msb7(a,b,c,d,e,f,g) g,f,e,d,c,b,a
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#define order_msb8(a,b,c,d,e,f,g,h) h,g,f,e,d,c,b,a
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#else
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//big-endian: uint8_t[] { 0x01, 0x02, 0x03, 0x04 } == 0x01020304
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#define order_lsb2(a,b) b,a
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#define order_lsb3(a,b,c) c,b,a
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#define order_lsb4(a,b,c,d) d,c,b,a
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#define order_lsb5(a,b,c,d,e) e,d,c,b,a
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#define order_lsb6(a,b,c,d,e,f) f,e,d,c,b,a
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#define order_lsb7(a,b,c,d,e,f,g) g,f,e,d,c,b,a
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#define order_lsb8(a,b,c,d,e,f,g,h) h,g,f,e,d,c,b,a
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#define order_msb2(a,b) a,b
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#define order_msb3(a,b,c) a,b,c
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#define order_msb4(a,b,c,d) a,b,c,d
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#define order_msb5(a,b,c,d,e) a,b,c,d,e
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#define order_msb6(a,b,c,d,e,f) a,b,c,d,e,f
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#define order_msb7(a,b,c,d,e,f,g) a,b,c,d,e,f,g
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#define order_msb8(a,b,c,d,e,f,g,h) a,b,c,d,e,f,g,h
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#endif
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#endif
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