140 lines
2.7 KiB
ArmAsm
140 lines
2.7 KiB
ArmAsm
inverse_factor_value: ;lookup 00000001 --gives--> 10000000 , etc etc. only 1st 1 in binary numbers
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NOP
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.byte %10000000, %01000000; (inverse factor value)
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NOP
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.byte %00100000; (inverse factor value)
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NOP
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NOP;.byte $0; (log)
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NOP;.byte $1; (log)
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.byte %00010000; (inverse factor value)
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log:
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NOP
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.byte $0; (log)
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.byte $1; (log)
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NOP
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.byte $2
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NOP
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NOP
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.byte %00001000; (inverse factor value)
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.byte $3
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NOP
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NOP
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;; i put another lookup table where nops normaly are'
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binary_factor:
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.byte %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001; (binary factor)
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;; ^(log)
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NOP
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NOP
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NOP
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NOP
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.byte %00000100; (inverse factor value)
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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.byte $5
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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.byte %00000010; (inverse factor value)
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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.byte $6
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;; i put another lookup table where nops normaly are
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Bitmap = $4000
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;;This is used by pixel_draw! look at it for more detail
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big_y_offset:
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.lobytes $0000 + Bitmap
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.hibytes $0000 + Bitmap
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.lobytes $0140 + Bitmap
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.hibytes $0140 + Bitmap
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.lobytes $0280 + Bitmap
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.hibytes $0280 + Bitmap
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.lobytes $03C0 + Bitmap
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.hibytes $03C0 + Bitmap
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.lobytes $0500 + Bitmap
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.hibytes $0500 + Bitmap
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.lobytes $0640 + Bitmap
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.hibytes $0640 + Bitmap
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.lobytes $0780 + Bitmap
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.hibytes $0780 + Bitmap
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.lobytes $08C0 + Bitmap
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.hibytes $08C0 + Bitmap
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.lobytes $0A00 + Bitmap
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.hibytes $0A00 + Bitmap
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.lobytes $0B40 + Bitmap
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.hibytes $0B40 + Bitmap
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.lobytes $0C80 + Bitmap
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.hibytes $0C80 + Bitmap
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.lobytes $0DC0 + Bitmap
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.hibytes $0DC0 + Bitmap
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.lobytes $0F00 + Bitmap
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.hibytes $0F00 + Bitmap
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.lobytes $1040 + Bitmap
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.hibytes $1040 + Bitmap
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.lobytes $1180 + Bitmap
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.hibytes $1180 + Bitmap
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.lobytes $12C0 + Bitmap
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.hibytes $12C0 + Bitmap
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.lobytes $1400 + Bitmap
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.hibytes $1400 + Bitmap
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.lobytes $1540 + Bitmap
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.hibytes $1540 + Bitmap
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.lobytes $1680 + Bitmap
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.hibytes $1680 + Bitmap
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.lobytes $17C0 + Bitmap
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.hibytes $17C0 + Bitmap
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.lobytes $1900 + Bitmap
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.hibytes $1900 + Bitmap
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.lobytes $1A40 + Bitmap
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.hibytes $1A40 + Bitmap
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.lobytes $1B80 + Bitmap
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.hibytes $1B80 + Bitmap
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.lobytes $1CC0 + Bitmap
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.hibytes $1CC0 + Bitmap
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.lobytes $1E00 + Bitmap
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.hibytes $1E00 + Bitmap
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NOP
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NOP
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NOP
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NOP
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.byte %00000001
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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NOP
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.byte $7
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