-
program upload via Interface 1 RS232 from PC/Mac/LinuxHello. I've made good on a promise to my 13 year old self and have been recently learning spectrum z80 coding. I can happily build a program (as …
... Mic socket on a physical Spectrum 48k ... /> a) Spectrum side needs to [b]format "b";baud rate [/b]
b) ... Spectrum side needs to [b]load *"b"[/b]
c ... /> I see there are a few utilities out there, ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... and %11110000
or b
or c
ld bc,0x7ffd ...
ld (0x5b5c),a
out (c),a
ret
... ld hl, attrib_data
ld b, %01111000
ld de, ... -
IXL and IXHI don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are…
I don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are perfectly safe to use on any Spectrum model or clone.
Is that right? -
sdcc inline assembly wtf..So, I'm trying to get division to work. By googling I've found one division algorithm that's quoted in several places, but can't seem to get it to wo…
... (unsigned short a, unsigned short b) __z88dk_callee __naked
{
a; b;
__asm ...
cp c
jr c, _done
sub c
inc l ... .It should divide HL by C, and result should be in ... -
Hidden message on Astro Marine CorpsI 've been toying with [url=http://www.worldofspectrum.org/infoseekid.cgi?id=0000295]Astro Marine Corps (Dinamic)[/url], and I've found a hidden mess…
... , you must enter a password to play. The password is ... word [B]FEATRIZ[/B] (it may be a word play between [b]FEA[/b] ( ... spanish word that means "ugly") and [B]BEATRIZ[/B] (a ... message maybe suggest that a longer message could not ... -
The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
... We are on a road to a real C source level debugger for ... half-hearted. However, with a directed effort, these individual efforts ... knows more?
b) z80sim can do symbolic debugging ... electronically-non-literates this is a daunting task.
Fast way to clear the screen ?So I was wondering fastest way to clear the screen. I've tried this and this works but is it better than CLS ? LD HL,16384 LD BC, 6144 Loop…
... /> Loop:
LD A,0
LD (HL),A
INC HL ... /> DEC BC
LD A,B
OR C
JR NZ, Loop ...The HL Register Pair Naming. An Observation.This isn’t really a question or a tip. Just an observation about the naming convention of the registers in the Z80 CPU. It seems that every register …
This isn’t really a question or a tip. Just an observation ... /> [b]A[/b]—[b]A[/b]ccumulator
[b]F[/b]—[b]F[/b]lag register
[b]I[/b]—[b]I[/b]nterrupt ... [/b]—[b]S[/b]tack [b]P[/b]ointer
[bTapes to TZXHi all :) Recently I've got the crazy idea to rescue my ancient basic programs from the golden days and turn them into tzx, sadly I've bumped into so…
... some tests with my plan A, B and C recorders but the best ... perfect, at least sounds like a spectrum.
2- Most ... would you use [b]TODAY[/b] to transfer a real spectrum tape into ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... used in expressions - LET b=a+=1 will add 1 to ... the result to b
MAT INTERP a(),b() TO c(),amount interpolates ... values of two similar arrays by a ... ("[ ]") for a single element range, such as a$ IN b$
...ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... mem
ld b,a ; 4t - copy into b for counter
... routine
ld c,a ; 4t - store a in c for later
... 9 etc...
ld b,a ; 4t - b now the length (can ... /> djnz _ulzfa040 ; 13/8t - copy b times
;;
;; clean ...New game - Roboprobe/48Hello, I am pleased to announce my new game [b]Roboprobe/48[/b], in which you play a repair droid trying to stop a sabotaged space station colli…
... new game [b]Roboprobe/48[/b], in which you play a repair droid ... trying to stop a ... sabotaged space station colliding with a ... />
Dropbox download [b][url="https://www.dropbox.com ...Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... 07
inc a 60010 3C
ld b,a 60011 47
ld a,1 60012 3E ... FD
ld c,b 60017 48
ld b,a 60018 47
ld l,a 60081 6F
ld a,b 60082 78
Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
... /> ; ***************************************
; b x coordinate
; c y coordinate
; ... a, b ; x position.
rst 16 ; print it.
ld a, c ...Modern Spectrum Games Advent CalendarSo... it is done. The main reason for my return from the shadows earlier this year was because I knew the greatest Christmas present I ever had was c…
... compilation, as I had to play the games to make sure ... Russia, started to increase to a (relative) torrent.
... an unimaginably enormous [b]TANK OF THANK[/b] (a whole 1024K of it ...
[b]TAPE 1, SIDE A[/b]
1: [url ...The I register pointing to $40–$7f causes ULA snow and a crash. Or does it?I have heard it from numerous sources, including a few members of this forum, that 128K/+2 machines crash if the I register points to a range of $40–…
... it from numerous sources, including a few members of this forum ... br />
[code]
ld a,($5b5c)
and $f8
di
ld ($5b5c),a
out (c),a
ei
ld a,%01001000
ld ($5800),a
pop af ...Spectrum Gaming Livestream This Sunday 6pm (GMT).Hi all, just announcing a new livestream (EP.9) this sunday at 6pm (GMT) on my retro gaming channel: https://www.youtube.com/user/ZEUSDAZ This editi…
Hi all, just announcing a new livestream (EP.9) ... games along with hopefully a live sub 6 minute ... to feature will be Arkanoid, B.C. Bill, Pogo (Q*Bert), ... Combat School, Dung Darrack (a nice pooey game lol) and ... edition just to give you a taster :-D
https ...Chaos Engine vs Chaos Engine 2 - Which is Best?Hi everyone and welcome to the April 2018 edition of the "Which Is Best?" series. Last month I placed two C64 games against each other, they were …
... , they were B.C's Quest For Tyres & B.C. II - ... votes with B.C II receiving just 8 votes, B.C. II was ... getting hammered but managed to gain a few ... br /> Now, I had a feeling that Chaos 1 would ... surprise there is actuall a Chaos 2 fan following ...Arcade joystick testsDear WOS, I've been testing various arcade joysticks lately to see which sticks work best with which types of games - since I built a custom-made …
... 120 points - C
2. A
3. B
4. B
< ... points - B
2. A
3. C
4. C
[b]Seimitsu ... LS-32[/b]< ... 180 points - C
2. A
3. B
4. C
< ...Prportional Ascii text scrollerA couple of years ago I wrote a little scroller that nestles at the top of RAM (FFCA - 65482) and scrolls standard Ascii encoded text from anywhere y…
... 32h,42h,44h,0a0h ;C
db 06h,5ah ... db 18h,24h,0a4h ;c
db 18h,24h ...
ld c,(hl) ;counter into C
push ... br /> ld l,b
add a,a ;put bit 7 into ...Printing text, part MMXIIXI'm pretty sure there's been a zillion threads about this already, and I don't think it's the first one by myself either, but here goes. Proportiona…
... c
dec c
dec c
ld a,b
add a,a
add a,a ...
add a,a ...
add a,a ...The Ballpoint"The Ballpoint" http://www.worldofspectrum.org/infoseekid.cgi?id=0007945 This is a summary of the investigation Philip Richmond, Tim Gilberts (Gil…
...
This is a summary of the investigation Philip ... information or instructions, as a text adventure creation utility ... /> But... when you actually play about with it, you find ... It seems to use a version C of the Quill ... it even does a CLS and a reprint of the ...im trying to get the name of a simple puzzle gameit has a really small game area, about a quarter of the screen and it is on a white background. you play a smiley face that moves around and collect …
... small game area, about a quarter of the screen and ... it is on a white background. you play a smiley face that ... it on google anywhere. its a new game and it looks ...Trying to discover a top down driving game from my childhood & thanksHi All, I am trying to find a game I played as a kid on a *cough* Amstrad CPC 464. I am hoping it is not an Amstrad only game (unlikely, but possi…
... to find a game I played as a kid on a *cough ... drive your car around a large urban course with ... course this could be a thousand different games.. but ... .
Second is a simple *thanks* - what an ... appreciation. Hopefully I can play a few games I missed ...SkoolKit'ing errorsI'm in trouble with SkoolKit 7.2 Did so far [code]sna2ctl.py %GAME%.z80 > %GAME%.ctl[/code] control file looks fine [code] @ 16384 start …
... /> c 18571
b 18580
c 20075
b 20077
c 23296
c ... /> 18572 SBC A,C ;
18573 SBC A,C ;
18574 SBC A,B ;
18575 ... HL,DE ;
18577 ADC A,A ;
18578 JR 18607 ;
My custom debian with some emulators - for everyone to tryHello, I'm posting here my modified debian linux distribution,based on debian 9 & puppy linux. I don't have much time to make it a generic distro s…
... :[/i][/b]
[b]a) Extract [/b]"stretchdog64_zx_v001_190803_no_games.tar.gz" to eg c:\
(you will have a folderlike c:\stretchdog64_zx)
[b]b) Extract and run [/b ...Trying to remember a platform gameI used to play a game with my dad that had a moon that was semi clouded over in the background. You would go from screen to screen collecting and ma…
I used to play a game with my dad that had a moon that ... things. I think it was a budget title. Sadly I can ...
