76 lines
1.3 KiB
PHP
76 lines
1.3 KiB
PHP
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define HEX
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format binary as 'hex'
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virtual at 0
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HEX.digits:: db '0123456789ABCDEF'
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end virtual
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macro HEX.byte value
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HEX.checksum = (HEX.checksum + (value)) and 0FFh
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local digit
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load digit:byte from HEX.digits:(value) shr 4
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db digit
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load digit:byte from HEX.digits:(value) and 0Fh
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db digit
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end macro
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macro HEX.line length,address,type,value
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HEX.checksum = 0
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db ':'
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HEX.byte length
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HEX.byte (address) shr 8
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HEX.byte (address) and 0FFh
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HEX.byte type
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HEX.data = value
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repeat length
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HEX.byte HEX.data and 0FFh
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HEX.data = HEX.data shr 8
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end repeat
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HEX.data = (-HEX.checksum) and 0FFh
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HEX.byte HEX.data
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db 13,10
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end macro
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macro HEX.seg address:0
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virtual at address
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end macro
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macro HEX.endseg
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local code,address,high,size,bytes
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code:: address = $$
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size = $-$$
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end virtual
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high = 0
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while size
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if address shr 16 <> high
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high = address shr 16
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HEX.line 2,0,4,high bswap 2
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end if
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if size>10h
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load bytes:10h from code:address
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HEX.line 10h,address and 0FFFFh,0,bytes
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address = address + 10h
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size = size - 10h
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else
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load bytes:size from code:address
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HEX.line size,address and 0FFFFh,0,bytes
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break
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end if
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end while
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end macro
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macro ORG? address
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if $ <> address
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HEX.endseg
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HEX.seg address
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end if
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end macro
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HEX.seg
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postpone
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HEX.endseg
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HEX.line 0,0,1,0
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end postpone
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