Compatibility

This cartridge works on the following PCBs and with the following models of Spectrum:

PCB 16K 48K/+ 128/+2

PROM Size: 16K

Description

This 3rd party 16K ROM cartridge produced by Phil Ruston performs a variety of tests to assist in the diagnosis of Spectrum faults.

The ROM performs the following categories of tests:

• Lower 16K RAM
• Upper 32K RAM
• Keyboard
• Kempston joystick port
• Interrupt
• Speaker
• Floating bus
• Colour pattern
• EAR input
• Spectrum 128 RAM
• Spectrum 128 sound

Full details about the tests performed, along with the ROM for download are available from the Retroleum website.