J023-boot-2793.hex

Boot ROM code modified for the '2793 FDC chip. Untested.

hex - 22.01 kB - 11/26/2022 at 04:08

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J023-U1 (edited).EQN

Edited disassembly of chip from Steve's board.
Pins named.

eqn - 1.27 kB - 11/20/2022 at 22:50

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J23-U3 (edited).EQN

Edited disassembly of chip from Steve's board.
Pins named.

eqn - 1.11 kB - 11/20/2022 at 22:50

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J023-U14 (edited).EQN

Edited disassembly of chip from Steve's board.
Pins named.

eqn - 1.25 kB - 11/20/2022 at 22:50

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J023-U1.EQN

Raw disassembly of chip from Steve's board.

eqn - 711.00 bytes - 11/20/2022 at 22:49

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J23-U3.EQN

Raw disassembly of chip from Steve's board.

eqn - 776.00 bytes - 11/20/2022 at 22:49

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J023-U14.EQN

Raw disassembly of chip from Steve's board.

eqn - 780.00 bytes - 11/20/2022 at 22:49

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J23-U14-PAL16L8CN-CS429Bh.jed

Read from Steve's board.

jed - 2.76 kB - 11/20/2022 at 22:48

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J23-U1-PAL16R4CN-CS47C0h.jed

Read from Steve's board.

jed - 2.76 kB - 11/20/2022 at 22:48

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J23-U3-PAL16R4CN-CS3926h.jed

Read from Steve's board.

jed - 2.76 kB - 11/20/2022 at 22:48

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Arcom_J023_SCPUA_manual.zip

The manual, mostly converted to HTML.

Zip Archive - 9.21 MB - 04/25/2020 at 14:31

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J023-SCPUA-U14-PAL16L8-CS5DB1.jed

Read from my board. Probably rubbish.

jed - 2.76 kB - 02/08/2022 at 01:39

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J023-SCPUA-U1-PAL16L8-CS6022.jed

Read from my board. Probably rubbish.

jed - 2.76 kB - 02/08/2022 at 01:39

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J023-boot (3).txt

Reverse engineering code, a work in progress.
Generates original binary.
Conditional assembly for 1793 or 2793 chips.

plain - 28.92 kB - 11/15/2022 at 01:26

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J023-boot-bytes.hex

Intel hex file

hex - 22.01 kB - 11/12/2022 at 02:08

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J023-boot-bytes.txt

Bytes as text

plain - 25.51 kB - 11/09/2022 at 03:51

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J023-boot.bin

CP/M Boot ROM bytes in binary format

octet-stream - 8.00 kB - 11/09/2022 at 03:33

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