B's Website Interesting articles about interesting things

Commodore 64 CP/M Cartridge

While CP/m was primarily targeted toward more business PCs, there was effort made to make it available on the Commodore 64.

Usually, this wouldn’t be possible due to the hardware of the C64.

  • CPU: MOS 6510/8500 (Modified MOS 6502)
  • 64 KB RAM, 20 KB ROM

Commodore CP/M Cartridge

Cart Front Cart Back Cart Badge

PCB Front

Text:

  • MADE IN HONG KONG
  • Assembly # 326232 Rev. B
  • K 368 E81159 KALEX

PCB Back

Text:

  • Fab # 326229 Rev. B
SN Date Count ID Purpose
Z8400B1 88237-Italy 1 U13 Co-Processor
74LS245 H236 Indonesia 3 U7, U11, U14 Octal Bus Transceiver
74LS373N K8249 1 U4 OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
DM74LS367AN P214* 1 U3 Hex 3-State Buffer/Bus Driver
SN74LS283N 227BJ Taiwan 1 U10 4-Bit Binary Full Adder with Fast Carry
SN74LS12N 8152 1 U6 Triple 3-input NAND Gate
SN74S04N 249A Malaysia 1 U2 Hex Inverters
74LS00PC 8240 Indonesia 1 U9 Quad 2-Input NAND Gate
74LS74AN 8148 1 U5 Dual D-Type Positive-Edge-Triggered Flip-Flops with Preset and Clear
74S74 8229 Singapore 1 U1 Dual D-Type Positive-Edge-Triggered Flip-Flop

User Manual: https://archive.org/details/Commodore_64_CPM_Operating_System_Users_Guide_1983_Commodore

  • https://www.pagetable.com/?p=1312
  • https://virtuallyfun.com/wordpress/2018/07/27/running-cp-m-on-the-commodore-64/
  • http://www.z80.eu/c64.html
  • http://www.devili.iki.fi/Computers/Commodore/C64/CPM/
  • http://www.baltissen.org/newhtm/c64_cpm.htm
  • http://www.zimmers.net/cbmpics/xother3.html
  • http://www.mos6502.com/commodore-tech-corner/running-cpm-on-the-c64/
  • http://baltissen.org/newhtm/c64_cpm.htm