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Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... the more optimized code, from original 64 byte machine code to 49 byte ...
ld b,8 ;counter, number of bytes in graphic store ... />
dec c ;decrease c, number of side movements in one ...
dec d ;decrease d, number of total characters to move ... -
Faster Pussycat, yer man (UDG)Right we are almost into a game area. Ive started to play with UDG and by using bins and pokes I can redesign graphics to my hearts content. Now Im…
... /> So you can POKE 16600,CODE "X" (or whereever the screen ... you do a PRINT, at which point the PRINT routine goes through ... /> Within the PRINT AT command, each row is copied in machine code, so ... -
How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... sprite "flicker" and "tearing" in machine code applications is to change the ... complete e.g.
[code]
loop:
...
... actually move (or their frame number changes). Also, if the ... frame number changes but not its (x ... -
Idiots guide needed for idiotI thought I would try and give a basic compiler a go. The trouble is that I have tried both hisoft and mcoderIII and it just doesnt seem to be worki…
... make sure that the line number ranges of the compiler and ... compilers which are written in machine code and put themselves up above ... the set of compilers and machine code books I have currently on ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... the BASin paste in:-
[code]
1 LET n=191 ... i=1 TO 3:
PRINT AT y-1+2*i ... >y)*(bx)*(a" ":
PRINT AT b+1,a;" ";AT ... -
Retroeuskal '07RetroEuskal is an annual event for enthusiasts and interested people about Retrocomputing that is held within [url=http://www.euskalencounter.org/en/…
... letter 'O' when writing the number zero
- Liking Doctor Who ... obscure references to Spectrum games/machine code/microprocessors etc. (that most people ... -
Using a multiface to exit to BasicBack in the days I was always fascinated with the idea of getting access to BASIC listings inside a program or game. I was able to work a way around …
... , but since I never learned machine code, I didn't had much ... :INK 7:CLS
30 PRINT #0;" Desculador de cabeceras PRESS ... n;:NEXT n
110 PRINT AT 7,0;("Start address ... PRINT AT 15,0;"Byte quantity:";cby
140 GOTO 30[/code ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... screen:
[CODE]
PRINT ..." $";p(r),g(r)
number of units on screen perfectly ... idea of pressing the same number twice.
I ... [code]PRINT "$";INT c[/code] can now be replaced simply with [code]PRINT "$";c[/code]< ... -
How many players can you cram simultaneous on a speccyYou know how they have those..how many people can you cram in a mini or a phone box things on guiness book of records. Well say someone wrote a game…
... would have to be a machine code program.
If you ... each you could increase this number by 5.
Making ... -
Leave AY Chip alone guysWould you have a go at a child with down syndrome? No, thought not. AY has Asberge Syndrome, it's a form of Autism - think of that please before y…
... were written in pure uninterrupted machine code. Symbolic programming languages were thin ... [quote="AY"]
[code]Private Sub Command1_Click()
Print "Hello World"
End Sub[/code]
Doesn ... -
StalingradHi So question: What did I do that the 11-th Army is activated?
... . (The 11th army is selection number 7 in the army list ... even looked at the program code, in the hope I could ... seems to be written in machine code.
Hopefully, someone who ... -
Anyone program on the speccy and still program?I messed around with Spectrum basic in the 80's mainly doing drawings that I created using basic commands. I then learnt Z80 Assembler for a collage …
... 't get my head round machine code at the time (early to ... was able to download a machine code book scan from WOS a ... books have gone out of print. :) -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
... the (magic) number. You can confirm the number by entering the ...
[code]PRINT IN nnnnn[/code]
(where nnnnn is the magic number)
print a number to the screen and ... far, then POST THE MAGIC NUMBER HERE for prosperity! There ... -
ZX Spin assembler - where am I going wrong?I'm trying to use the assembler in ZX Spin, but I'm getting error messages. Here's a screenshot of the first simple program I'm trying to get workin…
So once I compile the code (say, to address 61440), how do I run it?
Do I have to write a program like:
10 PRINT USR 61440
in the editor and run it in order to execute my machine code program? -
ZX Spin assembler - where am I going wrong?I'm trying to use the assembler in ZX Spin, but I'm getting error messages. Here's a screenshot of the first simple program I'm trying to get workin…
... once I compile the code (say, to address 61440 ... like:
10 PRINT USR 61440
... order to execute my machine code program?[/quote]
... br />
Assemble the code (in this case to 61440 ... PRINT USR 61440 and voila! CRASH (if your code ... -
ZX Spin assembler - where am I going wrong?I'm trying to use the assembler in ZX Spin, but I'm getting error messages. Here's a screenshot of the first simple program I'm trying to get workin…
... , I'm assembling the following machine code program:
ORG 61440 ... following program:
10 PRINT USR 61440
and ... -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... into memory, but do not print anything out. (Maybe a dissasembly ... show if they ever do print to the screen). The screenshot ... be of it assembling some code. The snapshot I have ... two checksums generated by the machine code loader both fail. Therefore there ... -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... enters a main loop of code which is obviously a tape ... entire program is written in machine code, embedded inside a BASIC program ... be an old London telephone number is in there for some ... -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... Dumping a dissasembly of the code, and further analysis may ... CODE : RANDOMIZE USR 40000
However, it just locks the machine up ... I've examined this small machine code routine. It calls the 128K ... perhaps?). It never seems to print anything to the screen. ( ... -
Letters with accents on the SpectrumIs there any way to type letters that have accents (for example ? ? ? etc) on the Spectrum? Maybe it's really obvious but I don't know how.
... directly.
e.g. PRINT AT 6,0;"Based on ... : POKE 16888,16: PRINT " Smith)"
In machine-code, the best way ... -
How could you hear if loading BASIC or MC?When loading a Spectrum program from tape you could usually hear from the sound if it is a BASIC or is some machine code program *. My question is, w…
... two zero bytes, then the number in two bytes, then a ... it sound "lighter" than the machine code, where the frequency of zero ... -
Problem with replacing all upper memory with 4164 chipsGuys, i have a problem with the high memory of a 4B issue. At first the board had OKI chips for high memory and one of them was faulty. Since its ea…
... ;231115]
When using the PRINT PEEK 23732+ PEEK 23733*256 ... runs a short ldir-based machine code routine to relocate it to ... -
Minigame Compo 2007Hi there, also this year, there'll be a minigame competition, open to all 8-bit computers and consoles. It consists on writing games whose size (…
Hey, you don't think we're going to give up that easily do you? :-)
Haven't had chance to try this yet, but inspired by [url=http://www.muppetlabs.com/~breadbox/software/tiny/teensy.html]Brian Raiter's even more evil ELF hacks[/url], I wonder ... -
Favourite Speccy MomentsOk, just for fun (and for my own curiosity), what are everyone's favourite (or most satisfying) Spectrum moments? For example, the swot in [I]Skool D…
[QUOTE=Winston;239704]Memorizing a machine code routine that did fancy stripy ... I did a quick 10 PRINT saying "FUCKUPBALLSWIPE" and scrolled it ... -
best BASIC games? - besides 20 tons and Derby Day perhaps i know few of them, yet i believe, there have to be some cool ones i couldn't appreciate then as i was stup…
... turn a BASIC program into machine code so that it runs faster ... a limited number of BASIC commands and don't produce code that ... -
best BASIC games? - besides 20 tons and Derby Day perhaps i know few of them, yet i believe, there have to be some cool ones i couldn't appreciate then as i was stup…
... turn a BASIC program into machine code so that it runs faster ... a limited number of BASIC commands and don't produce code that ... -
ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... in Basic and with some machine code routines from Bloodbaz, but I ... complete scr2udg. The character-to-Print-Lines sounds a lot better ... -
ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... in Basic and with some machine code routines from Bloodbaz, but I ... complete scr2udg. The character-to-Print-Lines sounds a lot better ... -
New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... found a solution you could code which involves subtracting the value ... , or a postive or negative number. The great thing about that ... copy and paste - see the machine code thread near this one in ... -
CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …
... download. Besides, judging by the number of downloads so far, it ... initial tests with my existing machine code stub that executes the supplied ...
