![Harvey Headbanger (1985)(Firebird)[a][HARVEY Start] Rom](data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNTAiIGhlaWdodD0iMjUwIiB2aWV3Qm94PSIwIDAgMjUwIDI1MCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==)
Harvey Headbanger (1985)(Firebird)[a][HARVEY Start]
![Harvey Headbanger (1985)(Firebird)[HARVEY Start] Rom](data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNTAiIGhlaWdodD0iMjUwIiB2aWV3Qm94PSIwIDAgMjUwIDI1MCI+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0iI2NmZDRkYiIvPjwvc3ZnPg==)
Harvey Headbanger (1985)(Firebird)[HARVEY Start]

Teleterm 2600 (John K. Harvey) (PD)

New Questions (1998) (John K. Harvey) (PD)

John K Harvey's Equalizer (NTSC) (PD)

John K Harvey's Equalizer (PAL) (PD)