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Compiler conventions for passing args/return valuesI've been mulling over this for a while, but I can't spot it covered anywhere. There are various methods for passing args and return values between …
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Sdcc uses args on stack, returning values in either L ... with the rest on the stack. This effectively encompasses the fastcall ... covering who cleans up the stack. I may tackle that a ... -
JSW2 - Game Loader DifferencesThere are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it …
There are three official releases of JSW2. I'm not counting the 'JSW2-128' version here as far as I'm aware this was not in any way 'official' as it incorporates a built in cheat mode. Feedback on this point is appreciated. To quote the readme:
'Best' Emulator?As mentioned in other threads, I'm in the process of disassembling and recreating my Finders Keepers source code so that I can write Finders Keepers+…
... debugging - Single step, breakpoints, call stack etc etc) [Partly done]
SpecBAS 0.789 releasedHi all! Back with another SpecBAS release - this one's mostly just about sprites and bug fixes. One new addition I do quite like is the expression c…
... quite like is the expression calculator... you can now (just like ... it belongs to
Expression calculator - any expression entered as a ...SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…
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ScrDone:;reorganise the machine stack so that this string
Chuck Norris can!Rather amusing [url=http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags]post of Stack Overflow[/url] re…
... -self-contained-tags]post of Stack Overflow[/url] regarding parsing of ...ZX-Art Competition 1ZX-Art announces a realtime ZX-Spectrum graphics competition having place at 26.10.2013. [color=red]updated 20.10.2013 17:57[/color] [color=red]upda…
... can convert image, you can draw it from scratch - no difference ...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…
... 't have to move the stack away from the attribute data ...Horizons tape side B softwareI am trying to find downloads for the software on side B of the Horizons tape 1. Thro' the Wall 2. Bubblesort 3. Evolution 4. Life 5. Draw 6. Monte…
Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…
... and make sure you only draw rows of glyph that need ...z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... IM2 mode so I can draw sprites for a laff
LD L,0
//draw some bytes to the backbuffer ... BC,37000
//draw some bytes to the backbuffer ...Collision detection for interlocking shapes[SIZE=3][FONT=Calibri]I?m looking for some advice as I?m not sure how to resolve the following problem. I have an in memory structure that holds info…
... example, if I wanted to draw an ?L? shape the structure ... =Calibri]3 ; 3 elements to draw, note that the item placed ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... -screen access[/B]: You can draw [B]"btiles"[/B] anywhere on ... sprites (move or change image), draw btiles, and "fill" a bicolor ...Artist(s) and illustrators wanted!Hi all - It has become my current project to help a certain gentleman of note in our community bring an old project from the 80s to life. I can do t…
... ! Take your chosen characters and draw them as you'd imagine ...that "listing variables during runtime" thingWell, I did eventually finish this, but with my meds playing up I don't have much time each day that I can spend at the computer, so it's taken rathe…
... that it can set the stack correctly prior to returning to ...Power consumption improvementsHi all, Having just received lower and upper RAM replacement modules from Zorn, I thought I'd perform some current draw measurements to see how much…
... I'd perform some current draw measurements to see how much ...Clear the screen from assemblerI want to clear the screen before I draw my graphic elements on it. Speed is not important so I was thinking of using the rom CLS option if that is p…
I want to clear the screen before I draw my graphic elements on it. Speed is not important so I was thinking of using the rom CLS option if that is possible. Can anyone advise on how to call this command or some similar routine to clear the screen?yx git repositoryHi, working version of yx - the preemptive multitasking operating system for zx spectrum - git repository can be found [URL="https://github.com/tsti…
... /> - implement some core gui apps: calculator, notepad, paint, chess, IRC, twitter ...World cup statistics (I've started to bore myself now)I never thought I'd start a thread about football, but since this was discussed at work and someone on WOS must have a life outside of computers (any…
... and a point for a draw for all group and knockout ...SpecBAS 0.800 Released!Hi folks, it's that time again for another release. I was going to add a few more features, but I have other projects on the go at the moment, and it…
... any commands that utilise the stack - GO SUB, DO .. LOOP, WHILE ... no longer overwrites the case-stack and jumps to END CASE ...Can any C experts help me - have hit an impasseHere is an excerpt from my attempt to program a Bridge game in C. Can you spot where I'm goiing wrong? I am trying to count the points in each ha…
... submit a noob question to stack overflow!
[IMG]http://i1136 ...harvard architecture spectrum clone.I got my first +2 before christmas. I'd never given the 128k spectrums much thought, always been a 48k rubber key tradionalist. :smile: I've been me…
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bank 3 : 64k of stack memory. if the op code ... need to worry about the stack overwriting program or data.
stack would be in a separate ...How were game loading screens composed back in the day?I've often wondered while waiting for loading screen to materialise line by line how these were actually made prior to saving them as code or screen$…
... run a BASIC program to draw lines and plot points to ...Bomb Munchies - preview releaseBomb Munchies Preview release Version 12th Jan 2014 [URL=http://s979.photobucket.com/user/MatGubbins/media/bmsix_zpsc33279a2.gif.html][IMG]http://i…
... game, one winner or a draw.
- First To Three - play ... keeps
ending in a draw. Please provide your own drinks ...Canonical Spectrum pixel aspect ratioHi, Do any emulators support scaling the Spectrum image to have the "correct/canonical" pixel aspect ratio? On a 4:3 display, Spectrum pixels aren'…
... were writing a program to draw a 192-pixel-tall circle ...ULA snow effectIt's wintertime, you know. [quote="http://ramsoft.bbk.org.omegahg.com/floatingbus.html"]when the I register falls in the range 0x40-0x7F then the UL…
... to read the videoram to draw the screen), with the result ...Clear command in z80Hi, How would I replicate what the basic clear command does in z80? Do I need to change the stack pointer as well as setting ramtop (23730)? If I se…
... I need to change the stack pointer as well as setting ...QL Picture Gallery v3.30 - Release InformationYesterday the [B]QL Picture Gallery v3.30[/B] - which is also part of the upcoming [B]QL is 30 2014 The Distribution[/B] (see [url]http://www.qlis30.…
... QL Hard Disk, Tandata QCOM stack, QL editions and variations, Sinclair ...
