Zimmers.NET Files (formerly ftp.funet.fi)

/pub/cbm/firmware/computers/c900/


Various roms and disk images for the Commodore C900 (Z8000) computer

Files

bios_disassembly.txt 2017-05-23 625594
Portion of C900 bios disassembled
boot-H_V_1.0.bin 2017-05-23 16384
C900 boot rom (High)
boot-L_V_1.0.bin 2017-05-23 16384
C900 boot rom (Low)
chars_380217-01_R.B_PC_U2.bin 2017-05-23 4096
Char rom from Low-res video board
chars_380217-01_R.B_PC_U2_BZ.bin 2017-05-23 4096
Char rom from Low-res video board, Bo Zimmerman's machine
Coherent.0.7.3.Vol1.Hi.Res.bin 2017-05-23 1184768
Coherent boot/install disk #1 image for hi-res machines
Coherent.0.7.3.Vol1.Low.Res.bin 2017-05-23 1184656
Coherent boot/install disk #1 image for low-res machines
Coherent.0.7.3.Vol2.bin 2017-05-23 1184640
Coherent boot/install disk #2 image
Coherent.0.7.3.Vol3.bin 2017-05-23 1184624
Coherent boot/install disk #3 image
fd_disassembly.txt 2017-05-23 174906
Information about the C900 floppy control system
FD_Fl.Cont._S41_6-20-85.bin 2017-05-23 8192
Floppy controller rom
keyboard-r2.3-25.04.84.bin 2020-02-20 2048
Keyboard controller rom
python_scripts.zip 2017-05-23 8014
Python scripts for learning more about the roms here
wdc_MCU_U10.bin 2017-05-23 2048


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