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https://github.com/sehugg/8bitworkshop.git
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38 lines
928 B
Python
38 lines
928 B
Python
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#!/usr/bin/python
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import sys, array, string
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def tohex2(v):
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return '0x%02x'%v
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with open(sys.argv[1],'rb') as f:
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data = array.array('B', f.read())
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assert data[0] == 0xa
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assert data[3] == 8
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# palette
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print "byte palette[16] = {",
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for i in range(0,16):
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r = data[16+i*3]
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g = data[17+i*3]
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b = data[18+i*3]
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entry = (r>>5) | ((g>>2)&0x38) | (b&0xc0)
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print '%s,' % (tohex2(entry)),
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print "}"
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# image data
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width = (data[9] << 8) + data[8] + 1
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height = (data[11] << 8) + data[10] + 1
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rowlen = (data[0x43] << 8) + data[0x42]
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print "%d,%d," % ((width+1)/2,height)
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for y in range(0,height):
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ofs = 0x80 + y*rowlen
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output = []
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for x in range(0,width,2):
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b = (data[ofs] << 4) + (data[ofs+1])
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output.append(b)
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ofs += 2
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print string.join(map(tohex2,output),',') + ','
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