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Port 254 emulation problem. Help, please ...Sorry, but my english is not pepfect. I have a problem and need in professional help. I have developed hard-soft emulator of ZX Spectrum 48. The link…
As i can understand, this document is only about delays that appeares with 254 port read/write. But delays itself can not brings to stopping programs. I think my problem is in wrong generating flags or wrong bits 7, 6, 5 of port in time of reading. -
Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
... /> EX AF,AF' ; preserve entry flags.
DEC D ; restore high ... /> EX AF,AF' ; preserve entry flags.
DEC D ; restore high ... -
binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... used 256 bytes for 256 flags instead of 32 bytes because ... I left each of the flags to have their own byte ... -
binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... used 256 bytes for 256 flags instead of 32 bytes because ... I left each of the flags to have their own byte ... -
Legend of Kyrandia - ZX Spectrum DemoI was browsing the ZX Open Source site [url]http://opensourcezx.untergrund.net/[/url] and I found an interesting tr-dos disk image of a playable demo…
... the "unconditional obstacle" and "alarm" flags instead.
This would ... -
Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
Do you keep your computers in storage?Do you keep them in the attic or somewhere else,have you powered them on recently?,i dread the thought someday of one them going bang after caps have…
[IMG]http://photos.orblogs.com/photos/2007/07/Ikea-Warehouse.jpg[/IMG]
on the left you can see my spare chequered flags .. right side is my rather small tasword 2 collection .. it does feel like that picture some daysDo you keep your computers in storage?Do you keep them in the attic or somewhere else,have you powered them on recently?,i dread the thought someday of one them going bang after caps have…
[QUOTE=fog;551334]on the left you can see my spare chequered flags .. right side is my rather small tasword 2 collection .. it does feel like that picture some days[/QUOTE]
Seperate building for Make A Chip and Scrabble then? :pSpherical - Crash review linked as SU reviewI thought my ZXR merge code was wrong, but nope, the SU review linked under "Magazine references" is actually the Crash review!
... be the problem (and I reckoned this was also what was ...Which emulator......would people recommend? I'm currently just pottering about with the demo version of Speculator but notice some games stack on it, are there any b…
How to get a minimal splib2Hello. We are designing a new engine and stuff, coded in ASM and to be used from z88dk. I was just wondering how to get a minimal splib2 with just th…
... affecting any invalidated & remove flags. This means the character square ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... some discrepancies between state of flags in my emulation and ... For example, I completely ignore flags 3 and 5 and in ... and BIT instructions some other flags behave differently to what official ... all standard behaviours of the flags are implemented correctly and I ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... some discrepancies between state of flags in my emulation and ... For example, I completely ignore flags 3 and 5 and in ... and BIT instructions some other flags behave differently to what official ... all standard behaviours of the flags are implemented correctly and I ...Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... FUSE for me, with all flags i want, with all libs ...Platform MascotsHello there my fellow WoS'ers A thought occured to me earlier today... yes I know that usually spells trouble but I cannot resist but as this ques…
... and avoid anywhere with rainbow flags these days...just much much ...machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... where it actually is in FLAGS [IY+1], which would cause ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... to start implementing floating bus, flags 3+5 (MemPtr) and others ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... All The Chips. Collect all flags in a stockpile game. I ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... . Once we had got our flags a couple of guys on ...Opcode QuestionsHi all, I am an experienced LabVIEW progammer and also have fond memories of the spectrum. Thus I started to think about writing my own emulator an…
... , you have details like the flags register to worry about.Opcode QuestionsHi all, I am an experienced LabVIEW progammer and also have fond memories of the spectrum. Thus I started to think about writing my own emulator an…
... make sure I have the Flags correct etc if thats OK ...Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... to generate, and various other flags to control its behaviour, as ...Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... take to execute, what system flags (e.g. carry, zero) are ...Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... take to execute, what system flags (e.g. carry, zero) are ...Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... take to execute, what system flags (e.g. carry, zero) are ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... . What about instructions that affect flags? Even if memory cell is ... because it occupies ROM, are flags affected just as if it ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... What about instructions that affect flags? Even if memory cell is ... it occupies ROM, are flags affected just as if it ... changed?[/QUOTE]
All flags are affected.
... the instruction does (changing the flags, loading memory values into ...
