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Z80 QuestionCan the instruction EX DE,HL be prefixed with DD to give EX DE,IX? Derek
... bits of circuitry with unintended instruction bytes. On the z80 no ... -
Z80 QuestionCan the instruction EX DE,HL be prefixed with DD to give EX DE,IX? Derek
... ]officially[/B] part of the instruction set of z80 derivatives" (my ... -
Z80 QuestionCan the instruction EX DE,HL be prefixed with DD to give EX DE,IX? Derek
... been documented. In the ez80 instruction set, SRL IYH is left ... -
FrameSyncIt was many many years ago since i programmed assembly on the spectrum but I just picked it up again for fun. Now this is one thing I can't remember…
... by disabling interrupts. Also, using Halt to sync to VBL seemed ... -
Bug in EMUZWINIt's quite minor actually and is in the Assembler. Ocassionally when assembling the ASM gives the wrong address to a label. For instance I used the l…
... count for the the last instruction or since the last breakpoint ... -
Help with loading knowledgeHi. I'm new to spectrum coding and have a few questions to do with how the spectrum loads programs. You press LOAD "" and play the tape, and it find…
... ([I]address[/I] - 1)[/B] instruction to reserve the memory you ... -
today i mostly been listening to....................miles davis - kind of blue, Steve reich / pat methany - different trains / electric counterpoint
... a fool. Also lost 507 instruction scans I'd done for ... -
Waiting for retraceHi. Is there any code available that performs a simple wait for the screen retrace thats callable from C? Thanks.
Use an asm block with the HALT opcode? -
Waiting for retraceHi. Is there any code available that performs a simple wait for the screen retrace thats callable from C? Thanks.
Fairlight 48k - version 1 missing from archive.I have an original version of Fairlight WITHOUT the copyright message 'Copying this tape is against the law under the Copyright Act, amended 1985. C…
... in centre of Alien 8 instruction book(actually 2 vouchers as ...ZX Spectrum BogoMipsBogoMips value gives some indication of the processor speed, and is one of the most used way of comparing diferent systems. The definition of BogoMi…
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djnz $
This instruction would be executed 3500000/13 ...Music BoxHas anyone disassembled "Wham! the music box" (48k Spectrum version) ? I mean the routine that plays your own tunes. I had a quick look but thought I…
... game will grind to a halt, but it could be put ...Emuzwin / Spin AssemblerHello lads. Wondering if anyone can help. I've decided to look into playing about with some code using the Emuzwin or Spin built-in assembler. Are th…
... must end with a RET instruction.
When typing code ...new release of winTZXHi all Here is a new release of winTZX [url="http://www.wintzx.fr.tc"]http://www.wintzx.fr.tc[/url] - Added batch processing, you can now convert al…
... to compiler optimization for memcpy instruction (now changed to memmove). I ...TZX 2 WAV requiredHi, Francisco Javier Crespo here (author of TZX2WAV)? or someone who knows his e-mail address or nick... need to send him some feedback of using T…
... the code must be wrong instruction for getting the ?lenght? of ...Update check in EmuZWin and other thoughts?Hello! I would like to have a update check(new version) in EmuZWin, with many new versions all the time it would be nice to have this function. ;) …
If you read readme file (html) you can find there that I'll never do this two things (and one more at least - help system with a detailed instruction how to select items in the menu - too).Update check in EmuZWin and other thoughts?Hello! I would like to have a update check(new version) in EmuZWin, with many new versions all the time it would be nice to have this function. ;) …
... - help system with a detailed instruction how to select items in ...Describe the person above you.So, the next person to post has to describe me.
Is an instruction in a very early multi-character RPG game... ;-)Ultimate Play The Game Release DatesHi, Ive been designing a plaque for my ultimate play the game collection for a display cabinet, and Ive found a discrepancy with some of the release…
... on the back of the instruction booklet. We don't seem ...Spectrum emulator with Scale2x filterI was wondering what the Scale2x filter would look on Spectrum games. Is there an emulator that has this feature? Or any other filter like 2xSai. I t…
... support SSE2" in the CPUID instruction, the emulator can not execute ...Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... collection - I've got inlay/instruction scans for all the tapes ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... reset (effectively a RST 0h instruction).
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Really ... (equivalent of an RST 0 instruction), if for instance I want ...Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... change every IN/OUT $FE instruction on the fly so that ...divIDE issuesI discovered a few issues with the divIDE hardware and FATware software that may be of interest to some people. 1. ROM paging If your Spectrum is a…
... this). That means that 1st instruction of a handler is still ...After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…
... number (21) is code for instruction 'load HL', next 2 number ...After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…
... number (21) is code for instruction 'load HL', next 2 number ...After roughly 22 years can you help?Hi, A long one this but here goes. Roughly 22 years ago (i was 14 if i remember right) i got a 48K speccy for christmas of my dad it was awesome an…
... . In the case of the instruction 'LD BC, NN', are two ...
