David Banks

Ah OK, thanks. I was able to fix the time issue by setting the year to 1990 (rather than 1924!) This is PiTubeDirect (latest indigo-alpha8 with multiply):  And here's...

> When you commented out multiply, did that include the `if ((opcode & 0xF0) == 0x90)` or similar test, i.e. so that would execute as an AND/ANDS/EOR/EORS instruction? Yes, that's...

OK, let me try to look at the b-em issue.... 1. Check I can reproduce the error in the head post of this thread. Yes:  2....

> So, there is also an issue with the compiler and the August version of the ROM. Apparantly so, but what exactly I have no idea. It could be: -...

IanB found the sources for the Brazil kernel (including the 14th August 1986 date), which are posted here: https://stardot.org.uk/forums/viewtopic.php?t=17198 I think this may be for the A500 Co Pro (which...

Someone hit a similar issue building AtomFPGA recently. I think the issue here is a difference of behaviour between Gowin IDE 1.9.8.11 Education (which I was using in 2023) and...

Fixed in master, and tested with v1.9.9.03 Education.

As far as I remember 1. Generate the Tang9K Beeb ROM set by running: ``` cd roms ./make_rom_image_tang9k.sh ``` 2. Program the generated ROM image file (```tmp/tang_image_beeb_000000.bin```) into external flash...

Yes, it's a shame external FLASH programming is so slow. I think it's bit-banged. You can acutally just glue together the Beeb and Atom ROMs and have both programmed at...

Response here: https://www.stardot.org.uk/forums/viewtopic.php?p=439180#p439180