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Making a mapI should learn Z80 assembly, but I don't have the time (really busy) and I feel like making a game. I've tried with Colt which gives me enough speed…
T.I.M. - A New Interlace - Demo for DOWNLOADHere's something that's been in the works for quite a while ( mostly in my head ) and recently I've aquired assistance to help it come to fruition. …
... /> pop de
pop hl
put1 ld sp,0x4010
push hl ...
push de ...
push bc
push af
exx
push hl
push ...Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
... />
You'd have to pop off the return address and ... know if you need a copy.VSYNC FunctionI have written a VSYNC function, so that I can clear the screen before redraw without flicker on the screen, I do this by peeking at the address 2367…
... /> ret
int_routine:
push af ; must preserve all the ... registers that
push hl ; we use
; your ... called every frame
pop hl
pop af
ei
16k/48k Sound FXI am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum. Does anyone have any example m/cod…
...
ZAP4: PUSH BC
PUSH DE
PUSH HL
PUSH AF
POP AF
POP HL
POP DE
POP BC
16k/48k Sound FXI am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum. Does anyone have any example m/cod…
... ld hl,0
noise2 push de
ld b,32 ...
noise0 push bc
ld a,(hl ... br /> jr nz,noise1
pop bc
djnz noise0
pop de
ld a,e< ...16k/48k Sound FXI am now moving on from graphiocs to trying to build up a library of sound fx to be used with a 16k/48k Spectrum. Does anyone have any example m/cod…
... (No of repeats)
start: push bc
WhiteNoise: ld b ... /> djnz noise1
pop bc
djnz start
ebay fright[url="http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8111376953"]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=8111376953[/url] Just a …
... same.... one copy ???... hmmm.
See if any more pop up ?
Can anyone help me...?Please can anyone help? For duplication reasons, I need to convert the library of Cronosoft .TAP and .TZX files to .WAV files, so I can put them ont…
... /> SPIN works here :-)
Pop them in an email, I ... . Alternatively, you can have a copy of 0.5, try that ...Can anyone help me...?Please can anyone help? For duplication reasons, I need to convert the library of Cronosoft .TAP and .TZX files to .WAV files, so I can put them ont…
[quote]
If you could email a copy of SPIN v0.5, I'll give a try first - thanks again!
[/quote]
Ok, I'll pop one in the mail this weekend as soon as I've sorted a *small* bug :)
D.Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…
... to pop into the library with a pen and pad and copy ...MC 101Hello Group Members: Can't spectrum MC be embedded in a BASIC program
... (No of repeats)
start: push bc
WhiteNoise: ld b ... ,noise2
djnz noise1
pop bc
djnz start
Spindizzy: good or horrible?Spindizzy is definately a much-loved old speccy game but is it actually any good? I played it a load back in the day, but i played every game i had …
My (original) copy of Bobby Bearing used to ... it back for a replacement copy about twice).
Even now ... big X - but if you push him home the proper way ...Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…
... to check against
CDLOOP PUSH BC
LD (HL),0 ... /> JR Z,RETURN
PUSH DE ;No collision yet, so ... ;for next sprite
POP DE
POP BC
DJNZ ... )
RET
RETURN POP BC
LD A,9 ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... />
DRAWSPR DI
PUSH IY ;Preserve IY for return ... RETURN1 LD SP,(SPSTORE)
POP IY
EI
RET ... /> LD SP,HL
POP IX
POP IY
... RETURN2 LD SP,(SPSTORE)
POP IY
EI
...Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... di
push hl
push de
push bc
push af
pop af
pop bc
pop de
pop hl
unscrambleHL:
push de
push bc
push af
< ... br />
pop af
pop bc
pop de
ret ...IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
...
PUSH AF
PUSH BC
PUSH HL
PUSH IX
POP HL
RET
DoBlankAttr:
PUSH HL
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... br /> PUSH AF
PUSH BC
PUSH HL
PUSH IX
POP BC
DJNZ ...
POP IX
POP HL
POP BC
POP AF
Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…
... check against
CDLOOP PUSH BC
LD BC ... for next sprite
POP BC
DJNZ CDLOOP ;Loop ...
RET
COLLISION POP BC
LD A,MAXSPRITES ...Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…
... check against
CDLOOP PUSH BC
LD BC ... for next sprite
POP BC
DJNZ CDLOOP ;Loop ...
RET
COLLISION POP BC
LD A,MAXSPRITES ...I need ASM for random numberI need to generate a random pair of coardinates in asm so that x=random no between 0 and 31, y=random no between 0 and 23. Any ideas on how to code …
... />
[code]
rnd push hl
push de
ld hl ... 1 to N
pop de
pop hl
ret
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…
... as I think the commands PUSH and POP alter the 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…
... as I think the commands PUSH and POP alter the SP by ... SP by 1.
PUSH and POP do alter it by 2 ...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…
... as I think the commands PUSH and POP alter the SP by ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... /> POP BC
LD SP,HL
PUSH BC
PUSH DE
PUSH ... /> POP BC
LD SP,HL
PUSH BC
PUSH DE
PUSH ...On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…
... ,8000
POP AF
POP BC
POP DE
POP HL
EXX
POP AF
POP BC
POP DE
POP HL ; using ... ,4010
PUSH HL
PUSH DE
PUSH BC
PUSH AF
Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…
... /> dec c
push bc
push hl
7741 ld ... 7750 djnz 41
pop hl
call EE
pop bc
exx
... djnz 5F
pop hl
call EE
Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... ]
ld hl, 4000h \ push hl \ pop de \ inc de \ ld (hl ...The old magicFirst post since registering - although did post occasionally, long ago... At the risk of getting philosophical... what has happened to the days whe…
... 1993 or so, finding a copy of The Empire Strikes Back ... games, visiting Swansea mainly to pop into the Sam shop and ...
