Hi all! As I may have mentioned in a thread earlier, I'm working on a pseudo-altair 8800 clone. This means a machine that's supposed to be similar, but doesn't bear much resemblance to the original - I'm hoping for software compatibility, though.
Recently, after completing the basic hardware: CPU module, RAM, ROM, serial, I've been messing around with the code for it.
It runs Altair 8800B-T turnkey monitor almost unmodified, but with some issues (dump not working, jump not working reliably, so 1/3 working, really).
Now there's a lot of mods of that and other 8080 monitors, but most of them won't assemble with my assembler - Squak Valley Software's DOS shareware table assembler TASM3.1 on DOS emulated with DOSBOX. It doesn't handle 'this' stucture very well, for example, along with others.
So I'm wondering, all the altair/imsai people out there: What assembler does one use? The only others I can find are very experimental or plain bad.
I have a win98/DOS laptop, so I can run DOS stuff natively, but neither anything Linux-y or CP/M-y.
Here's a pic of the system as it stands, mainly because I dislike pictureless threads:
sys.jpg
From R to L: 5V PSU, CPU card, 4K SRAM, TURNKEY MODULE (ROM, ACIA), FRONT PANEL (left half Altair 8800 panel)
Recently, after completing the basic hardware: CPU module, RAM, ROM, serial, I've been messing around with the code for it.
It runs Altair 8800B-T turnkey monitor almost unmodified, but with some issues (dump not working, jump not working reliably, so 1/3 working, really).
Now there's a lot of mods of that and other 8080 monitors, but most of them won't assemble with my assembler - Squak Valley Software's DOS shareware table assembler TASM3.1 on DOS emulated with DOSBOX. It doesn't handle 'this' stucture very well, for example, along with others.
So I'm wondering, all the altair/imsai people out there: What assembler does one use? The only others I can find are very experimental or plain bad.
I have a win98/DOS laptop, so I can run DOS stuff natively, but neither anything Linux-y or CP/M-y.
Here's a pic of the system as it stands, mainly because I dislike pictureless threads:
sys.jpg
From R to L: 5V PSU, CPU card, 4K SRAM, TURNKEY MODULE (ROM, ACIA), FRONT PANEL (left half Altair 8800 panel)