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Currrently Z80 assembler is bit of a mish mash of methods and techniques for specifying operands.
If an operand is to refer to memory then could use a new class e.g. MemoryOperand as per how iced a…
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Hi,
Playing around with this a bit, am thinking of doing something like this:
![Z80breakout](https://github.com/rejunity/z80-open-silicon/assets/1799255/9b042451-3cdf-40d3-9c79-c65ae1877af3)
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Using an Enhanced Apple //e with Mouse in Slot 4 and Z80 in Slot 5.
Single disk in drive: CPM_Apple_CPM.dsk
After a few reboots the bottom half of the screen contains spurious characters
![scre…
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@sorgelig
Hi, Z80 test revision 1.2 reports some failures.
[z80full.zip](https://github.com/MiSTer-devel/ZX-Spectrum_MISTer/files/9848865/z80full.zip)
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Hi Dave
I got a xberry pi a couple of weeks ago and I think BubNext is the best open source game for it yet. Great job! I'm sure it wasn't easy.
Do you think you might ever attempt to port anoth…
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When openMSX receives a key-off or key-on write, it immediately starts or releases the envelope. As you can hear in the attached test case [keyoffon.zip](https://github.com/openMSX/openMSX/files/12837…
grauw updated
1 month ago
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Issue for discussing adding support for the Z80 remapper for the Cirtech range of CP/M cards.
(see also notes on the remapper https://github.com/peteri/CirtechCPM/blob/main/src/address-map.md for the…
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I've been playing around with CPM, in particular the modifications to allow it to run from a hard disk from here https://mdfs.net/Software/CPM/Acorn/HardDrive/.
This only works with version 1.20 of…
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`LOAD` blocks exist for whole chunks of RAM code. However, self-modifying code usually needs more fine-grained control, writing and rewriting individual bytes, not just copying N bytes from ROM to RAM…
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Recently I was trying to come back to some ZX81 development, but discovered that for some reason current version of Zesarux is not working with DeZog.
Unfortunately for ZX81 seems there are no other …