libc8

c8as (CHIP-8 Assembler)

This is an assembler for the CHIP-8 and SCHIP, utilizing libc8.

Usage

c8as [-vV] [-o outputfile] src

• -o sets an output file (default is a.c8).
• -v prints diagnostic messages and the resulting hex-encoded bytecode to standard output.
• -V prints the version number.

Example Code

JP mylabel

mysprite:
DW 0x1234

mylabel:
ADD V0, 1
ADD V1, 0xA
LD I, mysprite
DRW V0, V1, 1

Notes

• Hex integers must be formatted with 0x, x, or $ prefixes.
• Binary integers must be formatted with a 0b prefix.
• Data bytes may be defined using the .DB symbol.
• 16-bit data words may be defined using the .DW symbol.
• Commas are optional for instruction parameters.
• This assembler is case insensitive.

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