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Britsoft - Read-Only Memory Publishing"Britsoft" by Read-Only Memory Publishing is their latest book charting the rise and fall of game development in the UK from the early 80s to the end…
"Britsoft" by Read-Only Memory Publishing is their latest book ... -
48K Memory MapHi, I'm having some trouble understanding the top of the 48K Memory Map. From reading elsewhere I have this as the memory map: 0 to 16383 - …
... the top of the 48K Memory Map.
From ... /> 0 to 16383 - Read Only Memory
16384 to 22527 - Display ... br /> 23755 to 65367 - Available Memory
65368 to 65535 - User ... area '23755 to 65367 - Available Memory'
Also what ... -
z88dk Font ChangeHi, I'm working in a couple of games, but Have someone some code to help on change the z88dk stlib font? Just one working example... Regard…
Hi,
I'm working in a couple of games, but
Have someone some code to help on change the z88dk stlib font? Just one working example...
Regardas -
z88dk TutorialHi, Could anyone direct to to a recent MS Windows based tutorial on getting started with z88dk. I know a small amount of C, so it's more the comp…
... tutorial on getting started with z88dk. I know a small ... />
http://www.z88dk.org/wiki/doku.php?id ... have to have the z88dk directly directory off the ... />
http://www.z88dk.org/wiki/doku.php?id ... />
http://www.z88dk.org/wiki/doku.php?id ... -
Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... am a complete NOOB with Z88DK, I am trying to draw ... , paper and border work with Z88DK. I started trying to work ... the souce code below. The Z88DK compiler is the latest version ... -
Speed (nano seconds) of memory chips ZX SpectrumThe ZX Spectrum uses 4116 memory for the lower memory, which can be replaced by other sorts or a whole, modern, module, but when searching for 4116 m…
... ZX Spectrum uses 4116 memory for the lower memory, which can be ... but when searching for 4116 memory, what speed in nano seconds ... refreshed, the contents of the memory will get lost? 15ns? ...
Same for the upper memory:
TMS4532-3 Texas Instruments ... -
Visual Studio 2015 and z88DkNot sure if this is useful to anyone but just in case :) I was about to embark on getting intellisense working for assembly... but that looked a lit…
... [url="https://sourceforge.net/projects/z88dk/files/"]download Z88 DK from ... , so change do_error found in z88dk\src\z80asm\errors.c to ... -
Some Graphic Coding & Audio help.Hello my fellow WoS'ers I am in the process of writing some code for graphical purposes - I have Z88DK raring to go but I do not know how to take…
... for graphical purposes - I have Z88DK raring to go but I ... to take bytes from a memory file and put them on ... in regards to the +3 memory area(s).
I ... -
Memory and Replacement ULA modules.Thought you might like to see my future proofed 48k version 6A with some upgrades fitted. Has had the following... Recap. Traco Power TSR 1-2450 p…
... regulator.
Lower and upper memory modules from... http://zx.zigg ... -
Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…
... command directly to the screen memory.
5 LET a ... into a different part of memory first then dump it to ... -
Ordered tapes and memory links.I did something a bit sad this evening... In the old days of Spectrum, I used to keep my tapes in those little plastic cases / racks from woolies.…
... , I get a very strong memory of the time and the ... in order to keep the memory link up:
I went ... -
Z88DK HelperThis is crossposted from the Z88DK forums. Announcing the Z88DK helper. I have created a compile string helper for the Z88DK compiler. This pr…
... compile string helper for the Z88DK compiler. This program should ... many options found in the Z88DK compiler.
The ... to cover everything as the Z88DK is a complex program. ... [/url]
The Z88DK helper program [url="https://drive ... -
Contended Memory, literallyDoes anyone else have the sort of memory where they have trouble just picking out info cold? I know we had a discussion about memory sometime last mo…
... else have the sort of memory where they have trouble just ... we had a discussion about memory sometime last month, but...
memory, but my brain wouldn't ... that's it, my association memory is broken. Its all there ... -
Contended memory article on WikipediaYeah, apparently there's one. https://en.m.wikipedia.org/wiki/ZX_Spectrum_Contended_Memory [quote] However, the ULA must wait for a Z80 read or wr…
... 's clock and access the memory. As the ULA has no ... advance, it relies upon the memory being available to read to ... -
New Game - Pietro Bros [z88dk/Nirvana+][b]PIETRO BROS[/b] Pietro and Luizo were transported to pipe world after eating some rancid mushrooms on his pizza. Help them to escape from th…
... /> This games was build on z88dk and using Nirvana+ for the ... -
Upper memory not available in issue 2A friend send me his issue 2 Spectrum for diagnosis. It boots okay but for some reason won't load games over 16kB. He sent also a Smart Card with int…
... ROM, which failed the upper memory RAM test, suspecting IC25 and ... high to enable the upper memory and under which conditions? Any ... -
128k memory musingI've been pondering on the 128k memory thing a bit, and it's just bloody stupid. The 64k memory space is divided in four chunks. One is always los…
... pondering on the 128k memory thing a bit, and ... br />
The 64k memory space is divided in four ... no way to page in memory there. Second chunk is ... Third is fixed to usable memory. Fourth is the bankable ... be in the always-resident memory (the fixed 16k + the ... -
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... get my head around the memory contention issues of the various ... best use of the extra memory. I've searched the forums ... /> I can understand that the memory is divided up into banks ... -
Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …
... struggling to get my first z88dk C program to compile. My ... file /home/dev/Spectrum/DevelopmentTools/Z88DK/z88dk/lib/config/../..//lib/spec_crt0.asm ... -
z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…
... // set to 0 (top of memory)
#pragma output CRT_ENABLE_RESTART = 1 ... /> #pragma output CLIB_STDIO_HEAP_SIZE = 0 // no memory needed to create file descriptors ... -
z88dk : Support FunctionsJust a quick one here, I am looking to doing some dirty dirty code with C and load a screen$ file from the disk using "system( command )" - yes I …
... a portion or portions in Memory that are used by system ... -
Z88dk installation DebianHi, I'm looking for some advice on installing Z88dk on my system. I have a few questions so if anyone could help me that would be great! My fi…
... for some advice on installing Z88dk on my system. I have ... '/home/mrploppy/Documents/Coding/C/z88dk/support/graphics'
Makefile:70 ... -
z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
z88dk relocationJust wondering how is the new relocation in z88dk supposed to work? I noticed that there are maps and symbol files available. Are we supposed to pars…
... is the new relocation in z88dk supposed to work? I noticed ...Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …
... were to wire an additional memory chip, say a 6264 8Kx8 ... , in parallel with the main memory so that it sits in ... the Z80 reads from main memory, it might be possible to ... reduce the effect of memory contention considerably. Possibly with the ...Testing ram memory of DivIDE / DivMMCHere is new utility for testing DivXXX ram memory: [url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/sof…
Here is new utility for testing DivXXX ram memory:
[url="http://velesoft.speccy.cz/zx/divide/software/divramka.zip"]velesoft.speccy.cz/zx/divide/software/divramka.zip[/url]Help with a TIMEX TC2048 and memory problemBought a 2nd hand Timex TC2048 but unfortunately I detected a problem with the machine which is preventing it from working properly. I believe it …
... />
I believe it is memory related but I am at ... chips, placed sockets, inserted new memory chips and the result is ... .
Is this a memory addressing problem? The machine doesn ... 't "see" the memory?
Where should I ...How would I turn memory paging on/off in Assembler?Sorry for the noob question. It's perfectly ok to do OUT 32765,48 in BASIC to turn memory paging off. But how do you do it in assembly language? I kn…
... ,48 in BASIC to turn memory paging off. But how do ...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…
... on C using the powerful z88dk compiler , the fabulous Nirvana Plus ...
