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How to benchmark a single routine?I've written a routine. It works. But it was never meant to be the final version. So I rewrote it. The new routine works too. Yay. :) However, I'd …
I've written a routine. It works. But it was ... I rewrote it. The new routine works too. Yay. :)
Arcade Game Designer 4Just released over at the AGD forums. New this time: Sprites can now be individually coloured using the SPRITEINK command. If 16x16 sprites aren't…
... , so long as you use DELAY 1 within it. That may ... disable AY sound or the routine which sorts the sprites which ...Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…
... 'm trying to write a routine that plots 3 pixels to ... /> call $22E5 ;call ROM plot routine
pop bc
inc ...Sampling routineLooking for a simple yet crude sampling routine that I can use on a forthcoming game. I've tried most of the ones from the archive and find them uns…
... a simple yet crude sampling routine that I can use on ... spare and just need a routine that goes "YEAH!"
Redefine keys routineHow would I go about making a memory efficient redefine keys routine? I only want to define up, down, left and right and reserve key 'H' for pause.…
... a memory efficient redefine keys routine?
I only want ... .
The key scan routine in the game goes something ...30-column 8x2 multicolor (even in 48K)I don't recall any 8x2 multicolor routine for 30 columns that would work on all Spectrum models (including the Spectrum 48K), so I decided to write i…
... recall any 8x2 multicolor routine for 30 columns that ... ; 16235T
XOR A ; extra delay
; 16239T[/CODE]
< ... ; 16293T
XOR A ; extra delay
; 16297T[/CODE]
< ...Routine for Currah speechI'm currently writing a routine for the Currah that will provide speech during a game. A timer is set to initiate the speech every 50 cycles of the …
I'm currently writing a routine for the Currah that will ...Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... create and "name" an asm routine for playing some ay data ... with or without the play routine? How does it work?
Is possible to call the routine and make it play some ...What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... I could use the ROM routine (It would suffice, any pointers ... I'm asking for a routine :)
No need for ...Nasty 'Gotcha' for multicolour timingI thought I would be better developing my multicolour routine on the 48K first, being the slowest, so it would then be sure to work on the 128K varia…
... be better developing my multicolour routine on the 48K first, ... 've just written a routine that seems so awkward ... back in contention, the delay from the end of one ... that's a longer delay than the 4 bonus ... (nn),HL since the delay between memory operations is then ...Troublesome routine, help needed!Having problems with this routine, it basically fires a rocket up the screen, but refuses to detect collisions. I'm using attribute blocks for detect…
Having problems with this routine, it basically fires a rocket ... tried allsorts to remedy this routine but nowt seems to work ... /> call print ;call the print routine
pop bc
djnz ...Simple memory transfer routineI'm looking for a simple memory transfer routine that shifts 32 bytes of data from the address HL is set to 55143, I have tried using LDIR, but cant …
... for a simple memory transfer routine that shifts 32 bytes of ...LM ram block transfer routineHello! I need to transfer a block of 33000 bytes starting from address 28000 to a new start address, 31000, using a LM routine. Please, someone coul…
Hello!
I need to transfer a block of 33000 bytes starting from address 28000 to a new start address, 31000, using a LM routine.
Please, someone could help me?Block RoutineHi Folks, I want to draw a block on the screen dependent on providing the X,Y,W,H values. I came up with the following: [CODE]100 LET l$=" …
... : PRINT AT 0,0;"Block Routine"
160 GO SUB 200 ... STOP
180 REM Block Routine
190 REM x,y ... />
Anyone got a better routine?
Many thanks
Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…
... to use the ROM printer routine to print 32 characters each ... time the routine is called, updating the de ...Soundex routineIn an idle 5 minutes I wrote a short routine to calculate Soundex codes using the algorithm described here: [url]http://en.wikipedia.org/wiki/Sounde…
... minutes I wrote a short routine to calculate Soundex codes using ...+3DOS routine missing in the +3 manualThe other day I realised the details of the +3DOS DOS DELETE routine are missing in the [url="http://www.worldofspectrum.org/ZXSpectrum128+3Manual/ch…
... of the +3DOS DOS DELETE routine are missing in the [url ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... setxy - this calls the setxy routine
ld a,'*' - ... - this calls the setxy routine
ld a,32 ... returns to the main routine
delay ld b,10 - ... - returns to the main routine
setxy ld a ...Rom routine for pixel addressDear all, Having my bi-annual 'lets try machine code' project again and have come up with a problem with the pixel address rom routine at 8874. …
... with the pixel address rom routine at 8874.
Going ... be holding 128 after the routine is run?
Toboim looking for a basic routine that adds a numerical character to a stringim looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so on
im looking for a basic routine that adds a numerical character to a string. so a=1, "1", then a=0 "10", then a=1 "101......" and so onNew version emulator ZEsarUX 3.1Hi I have uploaded a new version of my emulator ZEsarUX on http://sourceforge.net/projects/zesarux I have improved accessibility support, no…
... />
Fixed Inves ULA Colour Delay. It only affects bright
routine is detected and reinserted the ...WANTED Machinecode Routine for Paging in Betadisk TR-DOS v5 ROMI try to build a small MCode-program which writes the TR-DOS-ROM v4 / v5 to RAM adress 40000 an up. It´s working on TR-DOS v4 / Betadisk 48k: C…
128k Paging a tile routine to a double bufferHi happy new year all :) Does anyone have an example of how to page a routine to the screen ie a tile routine? Thanks :)
Hi happy new year all :)
Does anyone have an example of how to page a routine to the screen ie a tile routine?
Thanks :)Variable sized tiles /tile routineHow would you do a variable sized tile routine where the tiles have position variables too? Thanks would be interested to learn :)
How would you do a variable sized tile routine where the tiles have position variables too?
Thanks would be interested to learn :)I don't think I'm getting the $22AA Pixel-Add rom routineDear all, I'm misunderstanding how the PIXEL-ADD rom routine works. My code... [code]ld b,175 ld c,1 call $22AA ld (hl),a ret[/code] So…
... how the PIXEL-ADD rom routine works.
My code ... , I'm assuming the rom routine at $22AA will convert the ...Interrupt routineI have been trying to create an interrupt routine for playing AY music in the background but cant seem to get anything working. I have a music rou…
... trying to create an interrupt routine for playing AY music in ... />
I have a music routine in bank 6 that plays ...Cool program - buffer delayHere's something fun I wrote tonight thought I'd share. It's essentially a simple buffer delay. A building block for many things. https://www.drop…
Here's something fun I wrote tonight thought I'd share. It's essentially a simple buffer delay. A building block for many things.
https://www.dropbox.com/s/rk4q1xu2k2mkk62/BufferTest.z80Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …
... have a custom screen load routine that loads attribute first, then ... square. Loads in attribute order. Routine to convert normal screen to ... the counter in the load routine, not sure about printing it ... , to cater for a bigger delay loop.
Cheers.< ...
