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R registerI'm cross-posting this as a spin-off of a [url="http://www.worldofspectrum.org/forums/discussion/52748/zx-spectrum-cartridges/p2"]thread in "Hardware…
... (the 2 I tested on), increment twice for "LD A,R ... ), hence each iteration implies an increment.
So is the ... double increment correct, due to some Z80 ... -
SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... array access due to combined increment and assigns.
Fixed in ... -procedure local variables crashing when increment-and-assign executed
Fix ... -
128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... character
INC HL ; increment HL...
LD (TEMP),HL ... a digit
INC A ; increment digit
JR SHWDG1 ; repeat ...INC not working as expected in LoopHi, i have been working on this for around 2 weeks now and Ive read myself into a hole. I am trying to increment HL. HL is referencing a display …
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I am trying to increment HL. HL is referencing a ...why am i getting b integer out of range in this code?ive tried running this in spin but thats what i get [code]main org 40000; ; We want a black screen. ld a,71 ; white ink (7) on black paper (0…
... from location.
inc hl ; Increment pointer.
ld (seed),hl ...this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …
... from location.
inc hl ; Increment pointer.
ld (seed),hl ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
Pity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the ZX Spectrum 48K. It was for a text/graphic adventure I'm working on. The algorithm is based on [url="http ...line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... is moving across you simply increment L if the last pixel ...Assembler code from tutorial, problem!I was wondering if anyone could help me decipher this z80 assembler code? ORG 60000 LOAD 60000 EA60 21BCEA LD …
... ), then the program counter will increment as usual and the program ...Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
... /> 802B 23 6 INC HL ; Increment pointer.
802C 10F7 13 ...Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... -order byte of the PC. Increment SP. Load the high-order ... new SP addressed byte. Finally, increment the stack pointer again. Notice ...Speccy Tour 2003: one month of competitionAnd the fight is already serious!. Sorry for not posting the update in this forum last week, it was a hectic week for me. For now, we have two game…
... least, this game didn't increment the score quadratically with no ...Just in case anyone missed it[url="http://www.micromart.co.uk/content/features/default.asp?Category=Article&Type=&ID=1507"]http://www.micromart.co.uk/content/features/default.asp…
... actually in the game - no increment in the score, no extra ...Just in case anyone missed it[url="http://www.micromart.co.uk/content/features/default.asp?Category=Article&Type=&ID=1507"]http://www.micromart.co.uk/content/features/default.asp…
... actually in the game - no increment in the score, no extra ...Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... register pair you need only increment the high part to move ... going to carry the next increment into the segment part of ...problems with MaskI have problems with Mask. I want to make a RZX of this one (one per stage) My problem is that the .TZX available on WOS do not load on Spectaculato…
... by editing the TZX to increment the pilot pulses by 1 ...problems with MaskI have problems with Mask. I want to make a RZX of this one (one per stage) My problem is that the .TZX available on WOS do not load on Spectaculato…
... by editing the TZX to increment the pilot pulses by 1 ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... : 4 tstates: read (HL) and increment it.
* M3: 3 tstates ...RGB values for Spectrum colorsDoes anybody know the true rgb color values for the spectrums 15 colors. I'll assume that black is 0,0,0 White is probably 255,255,255 But what are t…
... to have the intensity levels increment in numbers that are to ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... the opcode's operation, and increment your z80_pc to point at ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
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Opcode_Handler:
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Increment Z80_pc
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Decide which ... extra bytes
| and increment z80_PC for each
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Increment TStates by X (depends on ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... ]
Inc(RegBC.w) to increment the whole word,
Inc ... (RegBC.l) to increment C (the low byte of ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
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The command INC SP (increment stack pointer):
- Does this ... command increment the value in SP by ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... :
The command INC SP (increment stack pointer):
- Does this ... command increment the value in SP by ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
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The command INC SP (increment stack pointer):
- Does this ... command increment the value in SP by ...
