-
ZEsarUX 8.1 Beta 2Hi! I have uploaded a new ZEsarUX 8.1 Beta 2 version! You can download it from https://github.com/chernandezba/zesarux/releases/tag/8.1-161220…
... /> Added setting to disable looking for alternate character sets from sysvar ... -stack: having an internal stack for debugging stack value types
-debug CPU window: show interrupt routine pointer on im2 mode
ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…
... statistics
Added checking for updates
Added sending ... setting to disable looking for alternate character sets from ... -debug CPU window: show interrupt routine pointer on im2 mode
for a directory, only shows ...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…
... game.
call 3503 ; ROM routine - clears screen, opens chan 2 ... y coordinates for the player's gunbase position,
; this routine is called ... code for User Defined Graphic 'A'.
rst 16 ; draw player.
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 …
... game.
call 3503 ; ROM routine - clears screen, opens chan 2 ... y coordinates for the player's gunbase position,
; this routine is called ... code for User Defined Graphic 'A'.
rst 16 ; draw player.
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…
... textured/hatched fill M/C routine for the ZX Spectrum 48K. It ... was for a text/graphic adventure I ... 57343: REM Leave some space for shadow screen buffer
... /c
100 FOR i=1 TO 20
9040 FOR n=1 TO LEN a ...Connect a Discman o soundcard into a ZX to play games without TapesDavid Madrid / Spain Hi: I like to use more my ZX machines but the load times drives my crazy and I dont like to damage the zx cassete player and t…
... (its a music player)
[3] grab this 3rd party plugin for winamp ... fails, look for a winamp plugin called 'TAP file player' on the ... is now your new cassette player - without tapes! BTW, I ... have been using this method for several months without problems.Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …
Thanks for the info. ... to build a interrupt routine that scrolls the ... an interrupt is required to access the routine but ... Specy to continuously generate interrupt (unlike keyboard handling ... interrupt routines can one have in one program?
Thanks for ...The funniest thing we made with the spectrumHello. The funniest thing i made with the spectrum were championships with my buddy francisco on a game called 3d stunt car racer, i think that was t…
... information (number of levels - for multiload games, tape counter positions ... making room for the code, then set up a interrupt table, ... itselt (NEW). This new interrupt routine was still calling the old ... stept aside, leaving the computer for someone else. Now, I ...How do I avoid BASIC becoming corrupted on returning from a M/C routine?I'm having trouble with my BASIC program becoming corrupted on returning from a m/c routine which sets all the registers (including the shadow regist…
... have to disable the normal interrupt routine if you alter IY. I ... a minute chance that the interrupt could kick in after the ... be there. Does anyone know for sure?Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... in an alternative sprite draw routine for drawing sprites without any ... and which is automatically called for sprites not needing any ... /> [/quote]
Yes, for smooth scrollers this is a ... LDIR to real screen at interrupt time.
[/quote]
...New SpeccyDo you think someone should go about creating a new spectrum computer? I'm talking about a spectrum compatible (not an emulator) with the capabiliti…
... at the 50% position for zero volume. Then ... very nice sounding sample-player as it has proper ... speaker which is perfect for anti-aliasing samples.
for its waveforms -- only ... but not really good enough for music.
As ...Basic problems with +3Hi everybody, sometimes ago I bought the ZX Spectrum +3. Currently I have some questions, to verify my thinking. 1. How I can easy copy the ZX Spec…
... to use the AY chip for music/fx, but I think that ... may be the case for 48k mode too.
routine in z80 asm, so Cyborg ...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…
[quote]
; h' = loop count for 1/50s to pass, decremented ... handle the effects in an interrupt routine...
I'll try ... working example running before looking for further optimisations.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…
Many thanks for the sample code for the Interrupt routine, I shall try this out straight awayInterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... a JP to your 'real' interrupt routine. However, this doesn't ... 19 tstates to reach the interrupt routine:
* M1: 7 ... If you have a short interrupt routine, it is possible that the ... high again. For example, if your IM 2 interrupt routine is just a ...Survey: buying new games?Hi all, I'm steadily progressing with my Ragnar Revival isometric game for the Spectrum 48k and if I keep working as hard as I do now, it'll probabl…
... your the only one developing for a platform... although LCD does ... (the disk I produce for users with the Quazar Surround ... as well as his SID music player. Certainly two novel pieces of ... ve been pestering them for developer diaries for the magazine and should ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... /> If you have a short interrupt routine, it is possible that the ... high again. For example, if your IM 2 interrupt routine is just a ... pulse width, using the smallest interrupt routine possible ("EI;RETI") though an ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... .
The only reason for using the RETI instruction is ... through PIO, that uses different interrupt service routines. The PIO ... bus can tell that the interrupt routine has ended upon executing the ... is no use for ending the ULA generated interrupt by RETI.< ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... course.
The only reason for using the RETI instruction is ... bus can tell that the interrupt routine has ended upon executing the ... is no use for ending the ULA generated interrupt by RETI.
for IM2 peripherals. This is not ...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 …
... ) is enabled, processor jumps to interrupt routine (TIME: 0)
in the ... border-pixel screen - right border for every pixel line (one line ... /> this is only basic info (for zx48)but it is enough ... border}.
good ideas for writting progs on speccy 48 ...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 …
... ; the following definitions are for converting spectrum address space
for obvious reasons).
# ... produces correct result
; for this program
.byte ... repeat
; interrupt routine
; it does the same ...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] ; ***********…
... Start
; **** START INTERRUPT ROUTINE ***
MainLoop:
... ; Get beginning of graphics for sprite
LD E,( ... br /> ; 0FD00 - 0FDFCH Reserverd for IM2 Interrupts
ORG ...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] ; ***********…
... ;for smooth return to Basic
; **** START INTERRUPT ROUTINE ... reti
; **** END INTERRUPT ROUTINE ***
MoveAndPrintSprite:
... RET
;prepares interrupt handling
initIM2:
...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…
... speed optimisation, it contains a routine for doing sprites from unshifted data ... br /> for a smaller size. 64000-64009 is the player's sprite ... coords are checked against the player's sprite until a
player
SUB (HL) ;Subtract ...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 …
... EI
; Get GFX for char and add offset based ... /> RETI
; **** END INTERRUPT ROUTINE ***
WRITECHAR:
; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG ...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 …
... br />
; Get GFX for char and add offset based ... RETI
; **** END INTERRUPT ROUTINE ***
WRITECHAR:
; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG ...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 …
... :
; Get GFX for char and add offset based ... br /> RETI
; **** END INTERRUPT ROUTINE ***
WRITECHAR:
; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG ...MemoryI am writing a game for the Spectrum and need to store a lot of map data. What is the lowest address I can start to store the data at ?
... ) is a commonly chosen address for RAMTOP. Once the code block ... whatsoever - and that goes for the interrupt routine too, so if you go ... or provide your own IM2 routine.InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... the address of an interrupt routine; the address is read ... interrupt service routine that is jumped to.
Now, the reason for ... 1/I*256+2 for its interrupt routine address and this ... ids means that interrupt service routine addresses overlap in ..."Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]
... number of hardware devices released for it.[/quote]
... " drives, RAM expansions, modems, music expansion kit like samplers or ... , IDE and SCSI interfaces for adding hard drives, CDROM ... still exist to allow for four player games. And there were ...
