Access C64 Basic

How to Access C64 Basic

• Unzip the .d64 floppy disk image
• Upload the .prg files to Commodore BASIC Program Lister
• Or, use Commodore 64 BASIC/PRG tools to convert the .prg to .bas files
• Alternatively, follow Reddit - Dive into anything to do the same within VICE

1. Attach the disk image (ALT+8)
2. type LOAD”X2”,8 and press RETURN
3. Wait for it to load, or press ALT-W to go into WARP mode and make it load a lot faster. Press ALT-W again once it’s loaded
4. type RUN and press RETURN
5. After the game starts, press ESC + Page Up, or the equivalent of STOP + RESTORE to break out of the program. After that, you’re dropped into basic, where you can LIST the program and see the code.

List all files on a floppy disk.

LOAD "$",8
LIST

Access Basic listing in Robox.md)

The main Basic code is in the files RM1, RM2, RM3, and RM4.

LOAD "RM1",8,1  
POKE43,52:POKE44,16:CLR  
LIST

Ganz wichtig: Beim Ladebefehl ,8,1 verwenden und nicht ,8 weil ansonsten essentielle BASIC-Pointer nicht korrekt gesetzt werden. Etwas worüber man sehr leicht stolpern kann! Die beiden POKEs setzen den Pointer auf den Startpunkt des BASIC Programms (Zero-Page Adresse $002B)aufdenkorrektenWert:$1034 (Robox) anstatt $0801 (default). - (Laro Schatzer, 2024)

Print to file with VICE

• According to Print C64 Program Listing To File In VICE - YouTube

  1. Open VICE
  2. Open Settings > Peripheral devices > Printer settings
  3. Set Emulation type to File system access and check Enable IEC device
  4. Close Settings
  5. In the Basic prompt enter OPEN4,4
  6. then enter CMD4:LIST
  7. and finally PRINT#4:CLOSE4
  8. You now should have a print.dump in your home directy

See also

• Software Archaeology
• Commodore 64
• BASIC