SSI4351_b5.txt

Steve Marsh's mystery ROM disassembly so far

plain - 60.75 kB - 10/03/2024 at 02:06

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SSI4351_b5.nfo

A few bits of information for the disassembler

x-nfo - 9.05 kB - 10/03/2024 at 02:06

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SSI4351_b5 Memory Map.txt

plain - 1.48 kB - 10/03/2024 at 02:42

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SSI4351_b5.BIN

Steve Marsh's mystery ROM

octet-stream - 4.00 kB - 10/01/2024 at 01:19

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J070-U11_EQN.txt

Initial analysis, NOT TESTED!

plain - 1.69 kB - 05/28/2022 at 16:18

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J070-U10_EQN.txt

Initial analysis, NOT TESTED!

plain - 2.36 kB - 05/28/2022 at 16:18

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J070-U9_EQN.txt

Initial analysis, NOT TESTED!

plain - 1.41 kB - 05/28/2022 at 16:18

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J070-U11-EQN.txt

output from jed2eqn

plain - 887.00 bytes - 05/28/2022 at 16:17

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J070-U10-EQN.txt

output from jed2eqn

plain - 1.11 kB - 05/28/2022 at 16:17

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J070-U9-EQN.txt

output from jed2eqn

plain - 883.00 bytes - 05/28/2022 at 16:17

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J070-SC09-V1I2-U11-MMI-PAL16L8A-CS4BD6.jed

jed - 2.76 kB - 02/11/2022 at 02:47

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J070-SC09-V1I2-U9-PAL16R6-CS4778.jed

jed - 2.76 kB - 02/11/2022 at 02:47

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J070-SC09-V1I2-U10-MMI-PAL16V8H-25-CS58A1.jed

jed - 2.96 kB - 02/11/2022 at 02:47

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Arcom_J070_SC09.pdf

User manual

Adobe Portable Document Format - 488.01 kB - 12/22/2021 at 00:46

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Sys6809.src.txt

Source code for Acorn System One 6809 board.
Potential foundation for Acorn-based software projects, such as a 6809 second processor firmware and BBC BASIC.

plain - 42.33 kB - 03/03/2024 at 16:24

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6809_SINTB.s.txt

Buffered Interrupt-Driven Input/Output Using a 6850 ACIA.
From Leventhal's 6809 Subroutines book.

plain - 11.19 kB - 09/13/2019 at 21:07

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Acorn_200_012_U4_works_commented_asm.txt

Source code for Acorn's System One 6809 board firmware.
Acorn style MOS and monitor, with code to bootstrap from floppy disc.

plain - 42.44 kB - 03/03/2024 at 16:24

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ExBasROM.asm.2019-06-01.zip

Extended BASIC for Grant Searle's Simple 6809 design, modified syntax so it can be assembled online. One-byte error corrected.

Zip Archive - 63.03 kB - 06/02/2019 at 16:13

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