This post has been left for historic information. The PET microSD is no longer in production. The replacement SD2PET is available now, more information on the pre-order page.Here are some general instructions for using the pet microSD. To start with you need a pet microSD, a Commodore Pet IEEE-488 drive replacement which uses a microSD card.
fitting instructions for 80xx-SK models.
proper SD card format utility. Then copy on any .prg or .d64 files you want to use.
6502 ROM/RAM boards (which could also be used to give you an upgrade to 32K RAM as well).
- LOAD "test",8
- LOAD "$",8
- LOAD "*",8
- LOAD "inv*",8
- SAVE "hello",8
- DLOAD "filename"
- DSAVE "filename"
- OPEN 1,8,15,"command" : CLOSE 1
- OPEN 1,8,15,"CD/games" : CLOSE 1
- OPEN 1,8,15,"CD:image.d64" : CLOSE 1
- OPEN 1,8,15,"CD←" : CLOSE 1
- @ - get status
- @$ - get directory listing
- @command - run a command
- @cd/directory - change directory
- @cd:image.d64 - load a D64 image
- @cd← - return to parent directory / close disk image
- /filename - load a program
- ↑filename - load and run a program
- # - show the current device number being accessed (default is 8)
- #9 - change the device number being accessed (8-11)
This means there is a lot less to type, @$ shows a directory, as with the BASIC 4 DIRECTORY, this does not affect the currently loaded program.
more info on this text adventure.
@cd← As mentioned earlier, the .prg extensions can be hidden using an option. Without the dos wedge, the command you need is
- OPEN 1,8,15,"XE+" : CLOSE 1
- OPEN 1,8,15,"U0>"+chr$(9) : CLOSE 1
- OPEN 1,9,15,"U0>"+chr$(8) : CLOSE 1
- OPEN 1,9,15,"XW" : CLOSE 1