Tag: development

Moves an Apple II peripheral card outside the case for repair, development, and testing.

The extender was out of stock on 2026-07-24. The vendor warns that longer ribbon cables may cause unreliable operation; use it only with power off while connecting or removing cards.

Programs 16K, 32K, 64K, and 128K EPROMs from an Apple II expansion slot.

The kit was out of stock on 2026-07-24. It is a tall card and requires soldering; verify physical clearance, software, and the exact EPROM type before use.

Visualizes Macintosh PDS signals with LEDs and provides a pass-through plus a right-angle test connector.

The Juicy Crumb page showed BlinkenPDS in stock on 2026-07-24. It is a bench development tool and is not intended for permanent in-case use; the maker says it fits poorly inside a computer. The second connector does not establish that arbitrary pairs of PDS cards are electrically compatible.

Vintage C64 machine-language monitor cartridge with assembly, debugging, memory, and relocation tools.

ConsoleMAD listed one original cartridge-only unit at GBP 24 on 2026-07-30; it was missing its label. RavenWolf's tested USD 12 cartridge was sold out and had been recovered from a workshop with harsh long-term storage conditions. Treat every offer as an individual used item. The HES software and manual remain copyrighted, so this record does not present an unlicensed ROM download as a DIY route.