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File size in 128K RAM diskHi Folks, Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program? Many thanks Paddy
... that alternative it's the machine code way or the highway.[/QUOTE ... /> [CODE]100 BORDER 0: PAPER 0: INK 7: CLS
110 PRINT ... AT 0,0;"RAM DISK TEST"
120 SAVE !"SCREENA"SCREEN ... $
130 PRINT AT 2,0;"FILENAME ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... probably encourage you to learn machine code to do things a ... />
When it comes to machine code, the commands like:
LD ... then call that program with a PRINT USR nnnnn command from BASIC ... you with a block of code POKEd into memory. The problem with ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... and everything before touching Machine Code, but with writing within Zeus, when ... the length of the machine code generated and there is ... I know how long that machine code will be -- four bytes. ... "PRINT USR 57344". That's right, Zeus is a machine code program ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... converted into numbers they're 'Machine Code'. But if someone says they ... 're programming in 'Machine Code', they're probably not; they ... up some moolah and just print out that info for my ... ; typically a 16-bit number, with the low byte first. The ... -
Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... you print something prior running the code with Randomize usr, then the screen contents ... are scrolled up to.. eg:
10 Print ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... try to write something to lower 16KB and those ROM writes ... ), right?
[/QUOTE]
With Einar Saukas and Dr Beep ... length of the line of code.
But it does ... being read-only, not just machine code. :) -
Barleywood Z80 Simulator LicenceHi All, Does anybody know if it is still possible to get a Licence for this Simulator? The reason I ask is that I'm currently using it to develop a…
... you can put checks in code to do it, can't ... indicator anyway.
again with machine itself , on c64 action replay ... check screen registers / locations etc) . . maybe you can do decent stuff with ... -
Are there any CPC forums?Like here or lemon, there doesnt appear to be much of a community going on
... the Devpac program for my machine code work. It was given away ... but only one cartridge game with it and no way to ... leads with power modules.[/QUOTE]
ive got a green screen ... -
Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…
... QUOTE]
No, the machine code 'fail' is when for ... without keyboard... :-? perhaps code something up in an ... directly to soundcard? (and with LOAD "" [ENTER] typed ... 0 and 255) and print the PEEKs of same address ... replace the upper RAM with a single 32K x ... -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
...
Here is the code only :
[CODE]draw_face ld de,16384 ... boring bit :
[CODE]draw_face ld de,16384
print over what's already on the screen with then ... 'm using in this code are really just two ... ,165,129,189,66,60[/CODE]
Sorry ... -
New SpecBAS available - v0.710Been a while, but I've just uploaded the latest build of SpecBAS. This one now supports tilemaps (with rotation and scaling) and added OVER mode (XO…
[QUOTE=Dunny;579193]I shall pop an archive of demo programs up for you. Here you go:
[url]https://sites.google.com/site/pauldunn/demos.zip[/url]
Unpack that into your Specbas folder.[/QUOTE]
Thanks mate. Although now ... -
Mazes and Tremaux's AlgorithmI've done a version of Tremaux's maze solving algorithm which solves my current test maze with 400 junctions and 715 connections in a reasonably quic…
... link earlier to a page with descriptions of numerous maze types ... rewrote lines 1216-1224 in machine code. It searches back from location ... 'so'; u$() is populated earlier with the locations of key items ... k1: LET j$(loc)="!":
PRINT AT k3,k3*k8;sz ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... by toni baker's mastering machine code.
I would like ... / useless info..lol)
with regard to mr.do , is ... masked / redrawn with the background to give you more screen space (make ... -
The Sinclair Myth - New Scentist June 12 1986I thought you'd all find this particularly interesting, so I scanned it especially for the holidays! Merry Christmas! [url]http://www.zxdesign.info…
... Atari had its 400 series with nice keyboard, video game ... taught in basic (combined with an early attempt by our ... to copy the screen to printer, writing machine code versions of sorting ... squarely aimed at computer literacy with basic keywords printed on ... -
The Sinclair Myth - New Scentist June 12 1986I thought you'd all find this particularly interesting, so I scanned it especially for the holidays! Merry Christmas! [url]http://www.zxdesign.info…
... Atari had its 400 series with nice keyboard, video game ... taught in basic (combined with an early attempt by our ... to copy the screen to printer, writing machine code versions of sorting ... squarely aimed at computer literacy with basic keywords printed on ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... a buffer screen and I?d got problems with more than ... was the only person with problems With the screen routines.[/QUOTE]
...
Everybody has problems with ... ll learn a lot about machine-code which can also be ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... just draws it all to screen with minimal accounting.
... frame to frame. If you print a new background character to ... absolute memory addresses in draw code or (IX+n) type ... overhead associated with sprites so that although the actual draw code will ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... just draws it all to screen with minimal accounting.
... frame to frame. If you print a new background character to ... absolute memory addresses in draw code or (IX+n) type ... overhead associated with sprites so that although the actual draw code will ... -
Creating a new game - AssemblySo... finally I?m studying Assembly Z80... after 36 years. :) Well... it?s sooooooooooooo hard to make a game using Assembly? I bought a book (Spectr…
... /> I bought a book (Spectrum Machine Code for Absolute Beginner) and I ... open in a window on screen to give you this info ... to disassemble other people's code (or, with there being lots of ... commented Speccy source code available now ... -
PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
... with the spectrum display layout.
FWIW, here is a machine code ... PIX2SCR ; compute hl = screen address from pixel coordinates
with screen contents
ld (hl ... 20 ; exit : hl = screen address
; uses: af ... -
How to start a new game?I know this might sound really stupid... but I've always wanted to make a spectrum game, but no zero of programing... is there any "making speccy gam…
... as i know nothing about machine code,i have downloaded much documentation ... create something i am familiar with.
Its an interesting experience ... is to make the first screen impossible to complete, that way ... -
Annoying colour issues with UDGsMe again... Flush with the success of finding the latest version of BASin to play with I tried to buff the graphics of the various screen items All…
... be most effectively minimised by machine code sprite routines to control the ... bits of the character on screen and the one to be ... already) by judicious use of PRINT INK ... PAPER ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... know about resetting the PRINT AT position or using ... for clearing the screen, a bit of machine code can do it ... you're going to PRINT your own stuff in ... then call that bit of machine code wherever you poked it, ...
To reset PRINT AT, just do PRINT AT 0,0; -
Amazonia (BUGFIX)This is a bugfix for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027280"]Amazonia[/URL], please add the following "known errors" des…
... 50 PRINT MSG(80) ; print "Grande descoberta..."
b732: 02 EXIT ; exit[/CODE ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
lol yeah we know that :D
Anyway, you could write a machine code routine that prints the screen in the set places, rather than having it pop back to basic and print each section, then it would dramatically speed things up. -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... could write a machine code routine that prints the screen in the set ... pop back to basic and print each section, then it would ... whole thing in machine code (well if I knew Z80 machine code! :-)). Most of ... -
DATA vs PRINT and OVERjust messing about and came across this alternative way of drawing a map....now before I start mucking about with my actual program.....is there any …
... two lines:
[code]
1 PRINT AT 1,1;1 ... />
A DATA ... READ ... PRINT loop is always going to ... I could then run the machine code from within the DATA ... might be some problems with that which haven't yet ... more straightforward to start with ... -
The INPUT command routine ($2089)I was looking at the INPUT routine with a view to modifying the intro so that I could pre-load the workspace and edit an existing value, rather than …
... Assembly Listing.
[code]
; the jump was to ... received rejoin other route but with no syntax check.
... edit line
; to the lower screen. The only visible
; ... -
Generating a constant of 2?Hi Folks, Through "The Wizard of WOS" I learnt that you can generate constants as follows: [B]NOT PI=0 SGN PI=1 INT PI=3[/B] Is there a quick way …
... variable names to all machine code routines, again because that ... my programs which use machine code now hold it as ... LET d=FN p(a): PRINT d,"+";d-p: LET ... "9130": STOP
[/code]
at present I take ... the relevant BASIC line with the assignments. However, ... -
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]…
... worked either:
[CODE] 230 PRINT AT 22,1;INK 7 ... to be compiled with ZX BASIC:
[CODE] 20 INK 5 ... some garbage quickly flashing on screen. However if you remember to ... better example using BIFROST* ENGINE with Boriel's ZX BASIC Compiler ...
