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Using the ROMs PRINT routineI really am starting from scratch again it seems, but how do you utilize the ROM routine to print characters, I think you point te BC register to an …
... do you utilize the ROM routine to print characters, I think ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... worry about writing a sprite routine, a joystick handler and you ... -
Game over routineA few years back I remember a routine that printed 'game over' or other message randomly all over the screen in different colours. Think it was out o…
A few years back I remember a routine that printed 'game over' or other message randomly all over the screen in different colours. Think it was out of YS, but not sure.
Anyone remember what it was called or where I could find it? -
The INPUT command routine ($2089)I was looking at the INPUT routine with a view to modifying the intro so that I could pre-load the workspace and edit an existing value, rather than …
... was looking at the INPUT routine with a view to modifying ... -
Memory move routine?Hi Folks, I have been searching for the thread that covers the memory move routine that uses a$=b$ via DEF FN. I thought it was written by Battle B…
... that covers the memory move routine that uses a$=b$ via ... -
A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... if it provided instead a routine to directly print tiles on ... it would just need to HALT first to synchronize and avoid ... , and AFAIK gasman invented the routine to render 18 multicolor columns ... -
28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... /> LD B,L
TSLP3 HALT ; Hang around, modifying the instructions ...
LD BC,0219H
DELAY DEC BC
LD A ... /> OR C
JR NZ,DELAY
ld bc,1122H ... -
BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…
... /> // frame sync
asm("halt");
// erase and ... = colEnemy;
// delay
for (f = 0; f ... br /> // frame sync
asm("halt");
}
// ...BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... [f];
}
}
// delay
for (f = 0; f ... ) {
// frame sync
asm("halt");
}
// erase tiles ...redirecting Z80 sub-routine CALLsI'm working on changing a TR-DOS disk program to work from standard +128k tape and thought that rather than painstakingly working through the code ma…
... could install some automatic redirection routine so that whenever the PC ... it would jump to my routine instead. This would be just ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... a 40 column printing routine, which I'd like ... 40 Column Font & Routine."
defb 22,5, ... /> call rst16replacement ; basically the routine replaces rst16
inc hl ... OVER flag - if 0 the routine clears space for the printed ...BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... (20, 1);
printf("Delay: %d frame(s)", frames);< ... ;
}
}
// delay
for (f = 0; f ... {
// frame sync
asm("halt");
}
// ...Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …
I'm looking for a routine that scrolls a small section ... />
I seen a similar routine in 'Input' magazine many years ...Asking for help: ZXBC to ASM routine translationHallo, In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler [code] sub light(x as uinteg…
Hallo,
In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler
[code]
sub light(x as uinteger,y as uinteger,intensity as ubyte)
dim adr as Uinteger
if xA 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…
... I wrote this little BASIC routine to do it for me ...checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…
This routine starts off with HL=$ffff ... to A and calls this routine, ending up with another value ...Checksum routine wantedI wish to make a program that verify integrity of a Multiface 1 ROM. It is possible to compare each byte of the ROM against a binary dump, but this i…
... />
Thus, I need a routine that calculates a unique value ...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 ...Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... to get stuck on the halt instruction. I can't find ... with regard to SNA and halt, does anyone have the details ...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 ...
