EP_Program_20.ino

Use this program to Burn an 8Kb EPROM 2764 with little more than a Mega2560, SD card reader, a 5-12V buck converter. Read ROMs and EPROMs and burn EPROMs.

ino - 32.98 kB - 12/06/2023 at 10:05

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Mega_Tube_23.ino

An Arduino Mega 2560 program to provide the MFS 2.3 filing system on the SD card to the Sym-1. This is very rough and ready but does the job. Not much is optimised or generalised but it does work!

ino - 21.85 kB - 03/05/2022 at 06:46

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BINARY.bin

The binary file of the MFS 2.3, which loads at $9000

x-extension-bin - 1.37 kB - 03/05/2022 at 06:42

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MFS_23.asm

The assembler details for the MFS2.3 image to be loaded at $9000, use https://www.masswerk.at/6502/assembler.html Mass Werk to compile it. A fantastic software effort.

asm - 20.06 kB - 03/05/2022 at 06:39

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MFS.ptape

This is paper tape version of the MegaFilingSystem 2.3 to be loaded at $9000, and compatible with RAE and providing monitor saving and loading extensions. Use it with .LP
If less than 4kB they can be loaded at 2400Baud using GTKTerm (if they are too big they will stall).

ptape - 3.87 kB - 03/05/2022 at 06:37

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MS_BASIC.ptape

MS BASIC in Synertek Paper Tape Format. Use .LP to load it into RAM at 300Baud and Python Terminal (be prepared to wait 20mins or so).

ptape - 22.00 kB - 09/22/2021 at 07:54

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RAE.ptape

RAE in Synertek Paper Tape Format, Use .LP to load it into RAM The .ptape files can be soft loaded into the Sym-1 at 300Baud using
python3 -m serial.tools.miniterm /dev/ttyUSB0 300

ptape - 22.00 kB - 09/22/2021 at 07:48

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RAE_V2.BIN

RAE with the order of the 4kB blocks reversed so no inverter is required on A12 to the 2764 EPROM (See my notes)

x-extension-bin - 8.00 kB - 09/22/2021 at 07:45

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Sym1.1.rom

Latest Sym Monitor ROM Ver 1.1 4kB
originally distributed by Synertek, provided so you can merge your
own extensions to it as well. Go for it!

rom - 4.00 kB - 09/17/2021 at 02:55

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Mon_MFS.py

A Python program to combine the Monitor Rom $8000 (4kB) plus the extension MFS routines at $9000 into a binary 8kB ROM image. Essentially merges the Monitor and Extensions to be burned into an 8kB EPROM

x-python - 1.66 kB - 09/17/2021 at 02:53

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BIN2OBJ.py

A Python program to take a 6502 binary file from the assembler into Synertek Paper Tape format. The resulting .ptape can be soft loaded into the Sym-1 at 300Baud using
python3 -m serial.tools.miniterm /dev/ttyUSB0 300
or if less than 4kB they can be loaded at 2400Baud using GTKTerm.

x-python - 1.44 kB - 09/17/2021 at 02:49

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