Search found 40 matches

by gfernval
08 Jun 2022, 14:56
Forum: Hardware and software hacking
Topic: Circuit simulator
Replies: 3
Views: 989

Re: Circuit simulator

At what speed do you run it? (use version 0.4.15-SR9) The blinken lights do not light correctly.
by gfernval
01 Jun 2022, 18:39
Forum: Hardware and software hacking
Topic: searching for gtasm version 1.0.9R
Replies: 0
Views: 3234

searching for gtasm version 1.0.9R

The version of gtasm from https://github.com/kervinck/gigatron-rom/tree/master/Contrib/at67/tools/gtasm is not version 1.0.9R, it is version 1.0.6R and the syntax is gtasm <input filename> <optional include path>, not gtasm <input filename> <start address in hex> as explained in the text below. Wher...
by gfernval
23 May 2022, 08:36
Forum: Hardware and software hacking
Topic: Memory detection
Replies: 12
Views: 2231

Re: Memory detection

I have used the version from https://github.com/kervinck/gigatron-rom/tree/master/Contrib/at67/tools/gtasm. Is not version 1.0.9R, it is version 1.0.6R and the syntax is gtasm <input filename> <optional include path>, not gtasm <input filename> <start address in hex> Where can I find version 1.0.9R?
by gfernval
22 May 2022, 21:24
Forum: Hardware and software hacking
Topic: Memory detection
Replies: 12
Views: 2231

Re: Memory detection

"glcc --version" returns exactly GLCC_RELEASE_1.5 (I have seen your binary glcc-1.5.zip, thanks) "gtasm bricks.vasm" generates bricks.gt1 file, but I have to change the first byte of generated bricks.gt1 from 0x01 to 0x00 to make a correct bricks.gt1, once done this bricks.gt1 ru...
by gfernval
22 May 2022, 19:40
Forum: Hardware and software hacking
Topic: Memory detection
Replies: 12
Views: 2231

Re: Memory detection

it is "gtasm bricks.vasm", right?
by gfernval
22 May 2022, 19:24
Forum: Hardware and software hacking
Topic: Memory detection
Replies: 12
Views: 2231

Re: Memory detection

What gives the new glcc 1.5 when run glcc --version? (I use windows XP and cannot run git checkout) Would like to compile https://github.com/kervinck/gigatron-rom/tree/master/Contrib/xxxbxxx/bricks.vasm, how to get bricks.gt1 from bricks.vasm? I have tried to run python3 core\vasm.py bricks.vasm but...
by gfernval
18 May 2022, 19:59
Forum: Hardware and software hacking
Topic: Memory detection
Replies: 12
Views: 2231

Re: Memory detection

A quick question, what should appear in the last glcc (compiled from latest sources) if you do "gclcc --version"?

GLCC_RELEASE_...
by gfernval
14 May 2022, 21:33
Forum: Hardware and software hacking
Topic: Memory detection
Replies: 12
Views: 2231

Re: Memory detection

How to compile TSTmem.c for v4, v5a and dev roms? (glcc -map=32k TSTmem.c ?)
And Reset.gcl? (python3 core\compilegcl.py Reset.gcl ?)
by gfernval
08 May 2022, 15:46
Forum: Hardware and software hacking
Topic: my Gigatron RAM and IO expansion does not work
Replies: 37
Views: 4674

Re: my Gigatron RAM and IO expansion does not work

Thanks, in testings I have done with the overclocked gigatron board I saw that a DIP14 size oscillator is more stable and less noisy than a XTAL based Colpitts oscillator like the one used in the Gigatron board
by gfernval
08 May 2022, 14:34
Forum: Hardware and software hacking
Topic: my Gigatron RAM and IO expansion does not work
Replies: 37
Views: 4674

Re: my Gigatron RAM and IO expansion does not work

Yes, I did exactly: (see 10MHz, 12.5MHz and Beyond! forum entry) - All 74F logic, including 74F04 for clock and 74F595 for input - Pull-up resistors in control unit lowered from 2.2kΩ to 680Ω - BAT42 signal diodes - C3 removed, used a 16.257MHz oscillator (DIP 14 pins size) instead XTAL base Colpitt...