Program Pack 4

Software list:Sinclair ZX81 cassettes (zx81_cass)
Short name:progpak4
Year:1981
Publisher:Bug Byte
Supported:Yes

Parts

Breakout (cass1)

Short name:cass1
Interface:zx81_cass
part_id:Breakout

Brikthru (cass2)

Short name:cass2
Interface:zx81_cass
part_id:Brikthru