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ZX80 Pause Routine?I read this in the first issue of Sinclair User... "Ken MacDonald's [I]Amazing Active Display[/I], a machine code pause routine, showed that there w…
... Display[/I], a machine code pause routine, showed that there was more ... know where or when this routine was first published? In a ... -
A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... /> [code]
;Redefine Keys routine
;By Ast A. Moore ... /> call 8859 ;inside ROM routine BORDER ($2294)
call ...
;A crude debounce routine to prevent
;registering keys ... b,50 ;a short pause
3$ halt ;before
... -
A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... port/mask injection into my routine for completion.
call 8859 ;inside ROM routine BORDER ($2294)
call ...
;A crude debounce routine to prevent
;registering keys ... b,50 ;a short pause
3$ halt ;before
... -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... you put the emulator on pause by pressing F7, you can ... had to move the pause/still routine out of its place and ... also was lost when the pause routine was moved. Fixed soon.
routine is implemented.
If ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... RET. Then make your main routine HALT and wait for it. Now ... -
Bug in Super Wonder Boy in Monsterland?Hello!:smile: This game seems to have a bug that prevents finalize. The dragon that is in the last level, it is impossible to kill.Remains static.No…
... />
;=============================================================================
; pause routine
;=============================================================================
org $ff57
EmuZwin 128k banks in assembler Having looked at the assembler help file " ORG [{ RAMn | ROMn },] #target_address [, #dest_address ] Defines target assembling address and ta…
... fitted around the new interupt routine and it worked first time ... the music playing, the game pause routine and lots of little buggers ... write the new load/save routine - basic memory permitting with my ...Head over Heels on 128KI noticed an interesting behavior of Head over Heels on 128K Spectrums, especcially with +2A/+3 machines. The game works, but after loading game, lo…
... the above pokes (and a pause routine) in place.Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... animation.
In my pause routine I had been messing up ... animating during the pause as intended, because the pause does two halts ...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…
... .
Basically the routine works by redrawing the tiles ... pixels.
The routine is designed to detect blank ... LD A,0
MLOOP HALT
LD (SCRPOS),A ;SCROLL ...
* This routine shifts tiles into 4 positions ...Delay routine requiredI'm putting together a short routine to play some Beep style music. I need to be able to pause between notes when required. These pauses are defined …
... 'm putting together a short routine to play some Beep style ... need to be able to pause between notes when required. These ... 'm after a routine that will allow me to pause for the ...Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... .
It is a routine that moves an 8x8 character ...
[B]loadloop[/B] ;routine to write graphic into screen ... /> halt ;halt when all row is completed
[B]restoreh[/B] ;routine ...General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... I have written an XINPUT routine for the Spectrum (in BASIC ... the program is the XINPUT routine plus a test harness that ... br /> 9010 REM PSS-XINPUT Routine
9020 REM Parameters:
9260 PAUSE 0:
RANDOMIZE USR ...IM2 calls to player routine on 128k?Hi all, Apologies for being crap, and not even in a funky, skillo kind of way but it's been over 20 years since I last wrote anything in machine cod…
... found that calling the play routine before halt keeps munging my registers ...Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... routine will define keys for UP/DOWN/LEFT/RIGHT/FIRE/PAUSE ... br /> ; ----------------------------------------------
; ROUTINE: print_message
;
... /> ; ----------------------------------------------
; ROUTINE: get_defined_key
;
...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 ... 'H' for pause.
The key scan routine in the game ...Adding a pause key to ArkanoidHaving rediscovered the simple pleasure of playing 1980s games on genuine 1980s hardware, I've also remembered that emulation can provide a feature m…
... to a routine implementing the pause key; the routine can finish ... , here's a suitable routine for detecting a press/release ... So, we have a routine implementing the pause function; where should we ... breakpoint, assemble the keyboard routine and load it into ...Assistance with IM2 routineI subsequently got a working IM2 routine.
... counter-loop to handle the pause:
...
ld b ... certain about calling a ROM routine from within an interupt though ... be dangerous, such as using HALT? (Use a debugger or the ...Why did Ultimate games load like this?What I remember about the early Ultimate games was the unusual way they loaded. You'd get the BASIC bootstrap loader, then a SCREEN$, then a main bl…
... tape routines, so you could pause the tape all day in ... the CODE at 23424. The routine at 23424 does a LDIR ... when it comes across a HALT at $1303 (just like the ...Help! Reverse engineering a Spectrum game[deleted]
... br /> You only need one routine to plot single pixels (starfrields ... in tools...
HALT/Interrupt:
Vsync ... halt to sync the frame whenever you feel like. The Vsync routine ... changing screens, game over, pause, frontend presentation and so ...Gigascreen - programming guideDoes anyone know of a programming guide for the 128K gigascreen screen mode, specifically a persistence colours table, some code (pref. C level or BA…
... an interrupt-driven machine code routine to alternate the displayed screens ... every frame (via HALT, or an interrupt routine, or PAUSE 1 at a ...What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... PAPER 6: CLS
20 PAUSE 1: OUT 254,0: OUT ... both machines, the keyboard interrupt routine is almost the same.
[code] org 32768
loop: halt
xor a
out ...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]…
... to compile the following sub-routine for no apparent reason (already ... ;INK 7;"PRESS ANY KEY": PAUSE 0: PRINT AT 22,1 ... . However if you remember to HALT right before calling a subroutine ...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]…
... at all. It uses a HALT for synchronisation, then calls different ... a customised pause, then a call to the colour routine, then to ... of a pain tweaking each pause as it flickers like mad ...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]…
... at all. It uses a HALT for synchronisation, then calls different ... a customised pause, then a call to the colour routine[/QUOTE]
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…
... it with the play routine. The option of ... chose during 'Merge play routine', and that address plus ... address', the music will pause on its last note - ... happening. Using an interrupt routine is a common way ... a second (using the HALT instruction to regulate timing), ...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…
... it with the play routine. The option of ... chose during 'Merge play routine', and that address plus ... address', the music will pause on its last note - ... happening. Using an interrupt routine is a common way ... a second (using the HALT instruction to regulate timing), ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... br />
; THE 'RETURN' COMMAND ROUTINE
org 0x1f23
return ... br />
; THE 'PAUSE' COMMAND ROUTINE
org 0x1f3a
pause_0 ... 0x1f3d
pause_1:
halt ; wait for maskable interrupt
Manic Miner loading screen adjustmentHad half an hour spare earlier and wanted to try a few things. Always like to learn anyways even now. [URL="http://www.yellowspider.co.uk/speccy/Man…
... />
LD DE, 32768 ; loader routine
LD A, 255 ... : insert the usual HALT loop here to pause for a few seconds ...
