Pretty6502 v0.7 by Oscar Toledo G. http://nanochess.org/ Executables provided for Mac OS X and Windows. Usage: pretty6502 [args] input.asm output.asm It's recommended to not use same output file as input, even if possible because there is a chance (0.0000001%) that you can DAMAGE YOUR SOURCE if Pretty6502 has undiscovered bugs. Arguments: -s0 Code in four columns (default) label: mnemonic operand comment -s1 Code in three columns label: mnemonic+operand comment -p0 Processor unknown. -p1 Processor 6502 + DASM syntax (default) -p2 Processor Z80 + tniASM syntax -p3 Processor CP1610 + as1600 syntax (Intellivision) -p4 Processor TMS9900 + xas99 syntax (TI-99/4A) -p5 Processor 8086 + nasm syntax -p6 Processor 65c02 + ca65 syntax -m8 Start of mnemonic column (default) -o16 Start of operand column (default) -c32 Start of comment column (default) -t8 Use tabs of size 8 to reach column -t0 Use spaces to align (default) -a0 Align comments to nearest column -a1 Comments at line start are aligned to mnemonic (default) -n4 Nesting spacing (can be any number of spaces or multiple of tab size) -l Put labels in its own line -dl Change directives to lowercase -du Change directives to uppercase -ml Change mnemonics to lowercase -mu Change mnemonics to uppercase Assumes all your labels are at start of line and there is space before mnemonic. Accepts any assembler file where ; means comment [label] mnemonic [operand] ; comment >> ATTENTION << Do you would like to learn to program 6502 assembler and creating Atari 2600 games? It is possible with my newest book Programming Games for Atari 2600. Now available from Lulu: Paperback https://www.lulu.com/shop/oscar-toledo-gutierrez/programming-games-for-atari-2600/paperback/product-pq9dg4.html Hardcover https://www.lulu.com/shop/oscar-toledo-gutierrez/programming-games-for-atari-2600/hardcover/product-n8z9r6.html eBook https://nanochess.org/store.html These are some of the example programs documented profusely in the book: * Game of Ball. * Wall Breaker. * Invaders. * The Lost Kingdom. * Diamond Craze.