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121 lines
1.6 KiB
121 lines
1.6 KiB
package pio |
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func U8(b []byte) (i uint8) { |
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return b[0] |
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} |
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func U16BE(b []byte) (i uint16) { |
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i = uint16(b[0]) |
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i <<= 8 |
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i |= uint16(b[1]) |
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return |
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} |
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func I16BE(b []byte) (i int16) { |
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i = int16(b[0]) |
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i <<= 8 |
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i |= int16(b[1]) |
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return |
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} |
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func I24BE(b []byte) (i int32) { |
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i = int32(int8(b[0])) |
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i <<= 8 |
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i |= int32(b[1]) |
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i <<= 8 |
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i |= int32(b[2]) |
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return |
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} |
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func U24BE(b []byte) (i uint32) { |
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i = uint32(b[0]) |
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i <<= 8 |
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i |= uint32(b[1]) |
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i <<= 8 |
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i |= uint32(b[2]) |
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return |
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} |
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func I32BE(b []byte) (i int32) { |
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i = int32(int8(b[0])) |
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i <<= 8 |
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i |= int32(b[1]) |
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i <<= 8 |
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i |= int32(b[2]) |
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i <<= 8 |
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i |= int32(b[3]) |
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return |
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} |
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func U32LE(b []byte) (i uint32) { |
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i = uint32(b[3]) |
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i <<= 8 |
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i |= uint32(b[2]) |
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i <<= 8 |
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i |= uint32(b[1]) |
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i <<= 8 |
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i |= uint32(b[0]) |
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return |
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} |
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func U32BE(b []byte) (i uint32) { |
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i = uint32(b[0]) |
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i <<= 8 |
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i |= uint32(b[1]) |
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i <<= 8 |
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i |= uint32(b[2]) |
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i <<= 8 |
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i |= uint32(b[3]) |
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return |
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} |
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func U40BE(b []byte) (i uint64) { |
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i = uint64(b[0]) |
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i <<= 8 |
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i |= uint64(b[1]) |
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i <<= 8 |
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i |= uint64(b[2]) |
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i <<= 8 |
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i |= uint64(b[3]) |
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i <<= 8 |
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i |= uint64(b[4]) |
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return |
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} |
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func U64BE(b []byte) (i uint64) { |
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i = uint64(b[0]) |
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i <<= 8 |
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i |= uint64(b[1]) |
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i <<= 8 |
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i |= uint64(b[2]) |
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i <<= 8 |
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i |= uint64(b[3]) |
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i <<= 8 |
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i |= uint64(b[4]) |
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i <<= 8 |
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i |= uint64(b[5]) |
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i <<= 8 |
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i |= uint64(b[6]) |
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i <<= 8 |
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i |= uint64(b[7]) |
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return |
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} |
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func I64BE(b []byte) (i int64) { |
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i = int64(int8(b[0])) |
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i <<= 8 |
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i |= int64(b[1]) |
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i <<= 8 |
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i |= int64(b[2]) |
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i <<= 8 |
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i |= int64(b[3]) |
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i <<= 8 |
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i |= int64(b[4]) |
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i <<= 8 |
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i |= int64(b[5]) |
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i <<= 8 |
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i |= int64(b[6]) |
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i <<= 8 |
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i |= int64(b[7]) |
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return |
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}
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