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Commodore B128

Commodore PET · 1983

A commercial failure worth having. Commodore's B series was meant to succeed the PET in business with a 6509, bank-switched memory and a proper 80-column display; it arrived with almost no software, was cancelled, and the remaining stock was dumped. Interesting as the machine that occupies the gap between the PET and the C128, and genuinely uncommon.

As catalogued

Maker
Commodore
CPU
MOS 6509-2
Memory
128K, 256K
Styles
B128, B256, CBM 610, CBM 710
Regions
PAL, NTSC
Chassis
desktop with a detachable keyboard
OS
Commodore BASIC 4.0+

Chips

5
CPU
MOS 6509
CRTC
MOS 6545, Motorola MC6845
VIA
MOS 6522
BASIC ROM
BASIC 4.0+
SID
MOS 6581

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