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Advanced Soccer SimulatorAdapted game Advanced Soccer Simulator for disk system +3DOS. Adaptation full, it is made even load/save the postponed condition of game. [URL="http…
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1. Naturally basic – preservation and loading of a ... the disk catalogue finishing change of the size of ... mixed up with the basic code of game, therefore ... it was possible to lower considerably volume of a ... , as well as in case of ELITE, I have ... -
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 …
... SUB 9130: REM Mixed Case,Optional
180 LET ... GO SUB 9130: REM Upper Case,Optional
190 LET ... SUB 9130: REM Mixed Case,Required
220 LET ... GO SUB 9130: REM Upper Case,Required
230 LET ... (3)
9045 REM Upper Case(4)
9050 REM ... -
Amperage drastic reduction in a rubber 48KWell, I am now with the approach of a drastic reduction ZXSpectrum amperage. As a first step would change the Z80 processor for other (Z80C). Unfortu…
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If you change the ztx650 by ztx651 can ... there seems to be the case. This is because of ... My second challenge is to lower consumption for LCD, rubber ... exceed 1800mAh, I will change the 7805 by the TRACOPOWER ... do Sami's fix Upper 32K SRAM D43256BCZ-70LL ... -
Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... a,1 ;1 is lower screen, 2 is upper
call 5633 ... ;some rom routine to open upper or lower channel
ld de ... at the end of the basic manual, assemblers let you put ... than me but just in case you've not seen it ... -
Legend of Kyrandia - ZX Spectrum DemoI was browsing the ZX Open Source site [url]http://opensourcezx.untergrund.net/[/url] and I found an interesting tr-dos disk image of a playable demo…
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Yes, that's the basic idea, but no, this is ... the fence, his priority is lower than the fence's INK ... 1 byte each. In this case, an alternative simplification is to ... as custom codes that directly change the "unconditional obstacle" flag, for ... -
Rubber 48k troublesHi. I've just got a 48k to add my collection, but it seems doesn't working well. The computer starts ups finely, but it doesn't load the games. So fa…
... =Spirantho;597771]One of your upper RAM chips almost certainly has ... .
Take a multiface, and change the locations 32768 to 32784 ... any case, I will look around to find a BASIC program that ... find the "culprit"... can I change this situation? Or the computer ... -
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]…
... this case, sub-routine "BIFROSTstart()" could make the necessary changes to upper ... an ASM file that ZX BASIC can compile won't be ... would require changes on ZX BASIC's built-in assembler, or ... to debug since they will change at every compilation.
[/LIST ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... to calling program' (in our case a BASIC routine) is 'ret'.
Change line 20 'ld bc, 0 ... round the game before GAMEOVER change line 55 to 'jp PRINCIPALLOOP ... .
If it is odd, lower the road position in hl ... -
Project on ZX Spectrum in UniversityHi everyone, I am Max, student of media studies in berlin, and I have to do a little project on the spectrum. I am working on a sinclair zx spectrum…
... br /> [QUOTE]3. the "functions" upper$, left$, mid$, right$, tl$ are ... The Spectrum has no UPPER$ or LOWER$, so you'd have ... like DEG and RAD in Basic...[/QUOTE]
... need to be in upper case; I'm not sure ... I put them in upper case as they are in the ... -
BrewDog beerI've recently been working my way through the wonderful range of Brewdog beers. Yum yum, shame there's no BrewDog pub near me :( I wonder if anyone…
... give the different flavours. The basic ingredients are more or less ... low temperature, short in this case would be nearer to a ... hops to the basic brew. Remember the Tyskie is lower strength so ... you may wish to change the additional ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... In this case I suggest ... lower memory, and
' only decompressed to either screen or upper ... ' +--------+--------+--------+- -+----------+--------+--------+--------+---------+----------+----------+
' | BASIC | GAME | GAME | HEAP | ... -
Basic sourceAre there any utilities available that will extract Basic source to a text file, or insert it from a text file into any of the common formats lie z80…
... Properties.
[*]Load the TXT2Emu BASIC loader from the TAP file ... binary" option to load the BASIC text file at address ' ... switches to the lower screen editor, in which case correct the error ... , ENTER, EDIT (to switch back to the upper ... -
Basic sourceAre there any utilities available that will extract Basic source to a text file, or insert it from a text file into any of the common formats lie z80…
... Properties.
[*]Load the TXT2Emu BASIC loader from the TAP file ... binary" option to load the BASIC text file at address ' ... switches to the lower screen editor, in which case correct the error ... , ENTER, EDIT (to switch back to the upper ... -
Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... , I removed the chips from upper 32k and I also removed ... manual its now time to change lower ram.
To be honest ... that this was already the case before I touched it.
lower rams but I guess there ... -
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…
... /> res 5, (iy + _flags) ; signal lower screen
set 4, (iy ... nc, ptr_done ; jump if no change
push de ; stack old ... character
and %11011111 ; make upper case
ld c, a ; store ... -
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…
... : Generates bitmaps for the lower 8 block graphics ($80-$ ... /> xor $0f ;change to graphic inverse code< ... save return in case not to BASIC
ld ... cp $40 ;called from BASIC?
ret nc ;no ... -
FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... it would be safer to change it back to IX. ... QUOTE]
Boriel basic is not just a spectrum ... In the spectrum's case it's IY but honestly ... sdcc which, like boriel basic, uses IX as a ... included rather than called to lower overhead). One version lets ... -
The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
... measured voltages from the lower memory and got pretty ... suspected I'd have to change them anyway.
upper memory RAM chips and ... also missing a few case screws and the screw ... into the case bottom. A new case bottom wouldn' ... -
New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…
... I give up". In this case, this "misleading" aspect helps ... try to rationalize it, each upper floor has 1 "joystick switch ... by individual switches. And the lower floor has 1 "joystick switch ... the switches don't actually change visually when they are triggered ... -
Something I made in Minecraft...So, this is what I do in my spare time these days (when I'm sure a lot of you will be screaming for me to come back to Speccy-land; I assure you I wi…
... soon realised that the black case of the ZX81 wasn't ... the black label on the lower slope of the top cover ... height. The height will not change when I finish the undertray ... there, somewhere, is a very basic computer (of sorts) built using ... -
UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…
... UDGs 256 bytes lower and POKE the upper half of ... All the things the BASIC interpreter in the ROM ... and variables of any BASIC program. A system variable ... the CLEAR statement to change the value of RAMTOP. ... contain remnants of old BASIC variables and such like ... -
DEATH is getting old.....I don't know, maybe it's just me getting old or something... There's a few things happening on here that I just don't understand. We have people th…
... of entry being a lot lower here days. You can get ... ?50 quid these days, with basic desoldering stations just twice that ... really should know enough to change out 30 year old caps ... out and buys "just in case"
Who goes out ... -
New Game(s): Sir Ababol 2 and Sir Ababol DXHere is our own Christmas Present from Mojonia! We weren't going to release these games (at least, by the moment) but we decided just yesterday to fi…
... mention keys, but just in case you decide to redefine keys ... ;rem will print in upper or lower screen depending on channel
;
keystrings ;change as appropriate, rem to change the number of ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... both sdcc and sccz80's case. sdcc's is built ... to use something faster with lower accuracy like a 16- ... itself. If that's the case, a native compare or ... that there should be some basic effort to understand how ... more than a one-line change to any program. I was ... -
IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
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The PEEK and POKE BASIC statements manipulate memory using the ... instruction. The IN and OUT BASIC statements differ in that they ... it, it either does not change at all (ROM), or, ... specifies the lower eight bits of the port address. The upper eight ... -
A Spectrum emulator for the C64Recently I found this, a emulator that runs ZX Spectrum BASIC on a Commodore 64. It was made in 1985. I remember reading about it in a magazine. Curi…
... ? Would it just be a case of loading the ROM into ... />
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The basic idea could probably be expanded ... in the Lower ROM bank, the Amstrad specific code in Upper ROMs ... display to sit under the Lower ROM (since writes will pass ... -
Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... been to make a "Brace case" for it for use with ... to fit to a 48k case and for this test I ... I used it disconnected . I change DIP switch no 3 on ... quick test and said "lower Ram OK" then "Upper Ram OK" . I ... -
endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …
... than there are in Sinclair Basic, for example.
> ... about when pointer values might change and this allows it to ... faster. This is especially the case with sdcc which can generate ... level language than in a lower level one.
> ... -
Clamping Speccy InterfacesThere are a huge number of broken Speccy interfaces available . I came across one on Ebay recently said to be "partly working" or similar .Why are th…
... be screw clamped together(the case is glued together so no ... , The upper level will be for the PCB and the lower levels ... as a "loose fit" , unscrewed , basic interface protector clamp , it could ... attached to a big keyboard case.
Time to make ... -
I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... the second layer of the Lower Loran Dungeon is of course ... Loran Chalice as well, the Lower Loran Chalice Dungeon has pretty ... , it's "Boozy" with the upper case "B" (and minus the quote ... go to system, network, and change password settings to whatever anybody ...
