Gary Morton

Atari ST XBIOS/BIOS ROM Listings header file missing

1

I was very interested to find the ASM source code for the BIOS. I was hoping to use parts in some Atari ST code I am writing. I was going...

I firstly just want to say thanks to the author for this excellent program. I used it successfully, implemented on a 3.3V Teensy-LC to program a Winbond W25Q32JV 32mBit SPI...

I am working on a project using a real 8088 connected to an Arduino Mega which runs the CPU in single step. The basic functionality is now working. I added...

PHP/PLP flag setting possibly buggy

1

I have now run a 6502 instruction test suite on my Acorn Atom simulator which uses code from this repo. I found problems with the value returned by the PLP...

I have now run a 6502 instruction test suite on my Acorn Atom simulator which uses code from this repo. It reported a problem with the ADC instruction, and manual...

I have used your code in a simulator project of mine which simulates the Acorn Atom home computer. I tracked down some faulty behaviour to the first use of a...