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Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... its own case like the plusd or similar and having the ... -
Any noob friendly speccy dev tutorials?I mean, for a person who never used ANY kind of assembly, let alone Z80 one. Would be good if focused on making a game. Additionally, I want your …
... through that again. I misplaced opcode or miscalculated jump will crash ... -
Z-Machine interpreter for SpeccyDoes anybody know if there's a Z-machine interpreter for ZX Spectrum? For playing infocom-style adventure games? If not, has anybody ever attempted …
... 't correctly handle a @call_vn opcode with an argument of zero ... -
New version emulator ZEsarUX-4.0Hi I have uploaded a new version of my emulator ZEsarUX 4.0. You can download it from the project web page: http://sourceforge.net/projects/…
... got stuck in a halt opcode with interrupts disabled. I suppose ... it enters this halt opcode when it detects a loading ... -
IXL and IXHI don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are…
... these instructions share the same opcode, just adding a prefix. Ie ... -
IXL and IXHI don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are…
... won't trigger an illegal opcode trap and I think they ... -
IXL and IXHI don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are…
... won't trigger an illegal opcode trap and I think they ...
