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Welcome to the Matrix!Ok here's something I been playing with while I'm at work and on public transport. I'm thinking I want to be able to move the large letters around th…
... occupies two-bytes, regardless of value:
[code]
10 PRINT "Hello ... ";
20 PRINT "World";
30 PRINT "!"
[/code ... time.
Combining several lines into one saves four bytes ... -
So where is the random number in the Speccy ?So I am messing around with ZX Spectrum Assembler and I want a random number. I looked up previous posts and one of the links said that random number…
... get
49 if you PRINT PEEK 14000[/quote]
No ... messing around with ZX Spectrum Assembler and I want a random ... 1; and compresses it into two-bytes; then puts it onto ... -
why does line length affect angle?I am using Plot Draw to make a V like drawing. It's part of an intersection on an isometric path. You would expect one half to be the inverse coordin…
... two more lines to do. Then I'm going to try and print ... -
A BEEP program I want to make in Basic. Helpful remarks gratefully receivedI want to explore the possibilities of the BEEP command. So I need to be able to try different combos of pitch/duration and sequences of same. I'm tr…
... REM out the original bad lines it would have helped you ... /> 60 PRINT "Type in numbers for Tone
(no lower than -12 ... /> 100 INPUT n
120 PRINT n
140 BEEP d ... -
How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... to print CHR$ 32 to 128 at the top 3 lines of ... the first 3 lines (768 bytes) as an assembler listing and assemble ... -
how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... number of lines (including one blank line) in the lower part ... g. PRINT #2; "abc def ghi").
For the lower part ... you only have one choice: PRINT #1.
PRINT #a; "data for lower screen"
PRINT #a; "more data for lower screen ... -
how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... , lookee here, an hour or two's programming and ever after ... , just plug in the numbers, print out the result and then ... new way of writing endless lines with no numbers and cryptic ... -
How to make/program a Pacman game on ZX SpectrumHow can i program a Pacman game on ZX Spectrum 48k/128k?? On a video or a manual
... have two most popular options - do it in Basic or in assembler ... generally the result will have lower quality as Basic has its ... -
Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... much to choose between the two methods as regards speed.
lines 401-409:
[code]
The assembler for FN a(a$) is ... rewrite the selection routine in assembler. -
Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
Two things to be corrected:
< ... (when all the lines are blue). Those lines currently being drawn in ... be white.
The assembler routine makes a satisfactory improvement ... dungeon elements selection section in assembler would speed it up even ... -
Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…
Well, here are two listings that might form ... end of the listing do two tricks. The first number, ... bytes into memory. So lines 9130 and 9140 POKE in ... of machine code.
Lines 9140 and 9150 POKE just ... 570 REM Always:
580 PRINT AT y,x;"A"
Xmas present from Hood:))Dear MB-02+ users, on my site[url="http://hood.speccy.cz"] http://hood.speccy.cz[/url] I have made quite significant update in download section. B…
... info, see a note few lines below.
- fixed: after ... 1 is being copied containing two subdirectories and 60 files, ... 16 tacts per character slower PRINT routine. Almost unnoticeable in real ... direct them. However, there are two exceptions: 1) updir change ...ComCon interface with an auto-fire joystick is possible?I need a little advice on this one, please! I have a konix speedking, with two fire buttons and auto-fire switch. I can use it with the comcon int…
... to 'pull-up' the switch lines to +5V, but only with ... a lower value to supply +5V just to the fire lines at ... between the wire supplying those two blue components (which I presume ... joystick direction or fire switch lines. With the old V=IR ...Elite clonesHi there Question. Is there any Elite clones out there for our Speccy worth playing? thanks!
... BBC/Archimedes BASIC's inline assembler).
The BASIC listing ... [ ;Lander Demo
...several thousand lines of ARM assembly language...
two facts might have led the ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... the Zx Uno along these lines. His ZxUno design, funnily enough ... of the ZxUno components to lower the price, so the expansion ... />
At the moment, only two or three applications exist that ..."ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…
... the wordy waffle in these two posts.[/b]
... - the space for the top two rows in the "ZX80 Brain ... be added on the top two rows when I switched to ... there are a lot of lines of code to execute every ... handle when it tries to print VAL of the string.
im looking for a horizontal scroll routinehi, im looking for a horizontal scroll routine. i read somewhere that you can do it with at 'to' statement, somewhere in a print routine. althoug…
To answer your last two questions from Facebook ...
... '#' is set by the last two CHR$ in b$ (line 1009 ... in the PRINT string.)
2. To do two scrolling lines just ...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); } …
...
[/quote]
The two libraries (classic and new) are ... will be to homogenize the two; however in the end the ... from one of the clib= lines will be read depending on ... ,nirvana,etc or at a lower level using the [url="https ...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…
... slenkar;911529"]
wouldnt this lower the screen so i can ... br /> };
so the two rectangles above should be defined ... /> [/code]
The first print uses the old string to ... would be to clear those two chars the number gets printed ...How to automatically find the character set in a gameThis is all completely new to me, so please be patient. I've done some reading up on how character sets are handled by the Spectrum. I understand tha…
... 8x8 print routines would sometimes allow to offset (or shift) lines of ... trick is offsetting the vertical print position by 4 pixels, ... so that you could use two different colors for top/bottom ... games' needs. Simple standalone print routines start at some 15 ...How much can you get into 48k?Todays experiment was to see how long, how much text, a PRINT statement will hold. I filled it up with * and counted them and got 689 chrs. Almost 22…
... STEP 1
30 PRINT AT L,C;"0"< ... an error appears, I print the variables in the ... two variables, L and C.
PRINT L says 0, and PRINT ... ENTER a few times, then PRINT C.
... line 50, and more lines are printed... until something ...ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... years. Is also IDE and assembler (targetting other processors) in ... Simon!
[*] Fast [b]assembler[/b]
[*] [b]IDE ... [b]conditional breaking[/b]/print logging/file logging. Write ... counting Ts, comparing efficiency of two routines, etc
[*] ...Go to, gosub or something different?I'm going to write an arcade game in basic. May compile it. In both basic and compiled basic would a goto or gosub be faster? Also if I stored …
... game loop as the first lines of your program, and write ... collision detection, e.g. PRINT your character, PRINT the enemies, then check ... , you only update one or two at a time. So the ...ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... features, f..k logic, Z80 assembler market is not amused. Waiting ... ', and not just mix the two up like that. My suggestion ... instance be something along the lines of 'it cannot by definition ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... test in their ideas and assembler lines? [/quote]
v2 was uses ... padding instruction and expects [i]two[/i] identical values in a ...Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... test in their ideas and assembler lines? [/quote]
v2 was uses ... padding instruction and expects [i]two[/i] identical values in a ... this value to be returned two or more times in a ...Print vs 23659To be honest I could not think of a better topic title, although its not ideal. Anyway, I do recall reading ages ago that the reason you cannot no…
... of using #1 to print to the lower lines, its a method I ... get away with "its the lower screen so you cannot use ...ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... like the closer of the two spring contacts has either bent ... +3 as it has a lower current output. What I've ... when I use the other two +3 branded PSUs I have ... visible as very thin whitish lines around the outlines of the ...im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
... lower case letters to be their equivalent bottom-halves. Then just print ... multiple banks of UDGs and print one under the other. As ... chopping the byte up into two four-bit nybbles, then do ...
