SpASM 6502 Assembler Updated

Francois Vander Linden has updated his SpASM 6502 Spreadsheet Assembler to version 1.1.2. Included updates from versions 1.1.1 and 1.1.2 of the SpASM 6502 Assembler include:

  • fixed more bytes count for some opcodes
  • rewrote the byte count detection in order to avoid possible circular references
  • column D is now colored as comments, it’s meant to be used as full-line comments
  • fixed instructions because columns were shifted with latest release
  • added syntax highlighting for SUBs
  • deleted Excel external link

SpASM 6502 Assembler is the only 6502 Assembler which runs inside of a spreadsheet. The spreadsheets tested to date include Microsoft Excel as well as Libre Office Spreadsheet.

For more information about SpASM 6502 Assembler, check out the program Github page at:

Please follow and like us:

About the Author


The A.P.P.L.E. Website is run by the Apple Pugetsound Program Library Exchange Users Group and is open to all Apple and Macintosh fans and their friends.