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Memory Available for 16k and 48kAm I right in thinking that if I am writing a 16k Game, I have 8k available for the machine code prog 6000h to 8000h, and for a 48k game I have 40K a…
... 5B00h, loaded in and did PRINT USR 23296 and reset/attribute ... have to resort to a machine code loader to make use of ... -
Type-ins for non-standard languagesDoes anyone know if there has ever been any type-in programs for non-standard languages e.g. Forth, Micro Prolog etc. I recently bought copies of tho…
... sometimes nearly as fast as Machine Code. It's also fun. ( Except ... * . [/B] ( the same as [B]PRINT ( 3 + 2 ) * 4 )[/B] ... or ... -
debuggingI have read a fair bit about z80 machine code and am ready to experiment using Tasm. One concern is how would you debug using this method of programm…
... a fair bit about z80 machine code and am ready to experiment ... /> Gasman is oldskool and inserts print statements :) Nowadays, an emulator with ... -
BASIC OptimisationsOk, BASin is maturing fast and now I want to add some more special "stuff". A guy called Chris requested by email that I include a REM killer, to s…
... ...ie.
[code]
print "hello"
^ ^
| |
input codes direct -- -- ... and turn them off
[/code]
hmmm ... -
Early Speccy Memories ThreadHiya. Right Ok. I want to start a thread going here and I want to know all about your early days with speccys. I am 31 now. I got involved with spec…
... ).
I even learned machine code, but didn't get very ... , so I had to manually input all the codes!
SMAX - My Spectrum Killer App that never quite materialisedThis is basically a copy of my post to CSS, for anyone that doesn't read the group:- One or two of you may, if you have particularly good memories, …
... ; the program produces 100% Z80 machine code output.
[/quote]
... incredibly advanced. Producing 100% machine code isn't that impressive - ... begin with - statements like PRINT for example would be a ... ways in which one may 'PRINT' - it's just about ...Starting from scratchHello, I'd lack to have a crack at writing a Spectrum game. I have very limited programming experience from mucking around with javascript and VB an…
... absolute beginner; to advanced machine code programming. In particular, I ... complete set of the "Input" magazines that were ... games, graphics, utilities, machine code programming, etc. I found ... they were confident enough to code themselves.
...Interesting Custom LoadersHi everyone, I was just thinking about custom loaders on the spectrum and I thought I'd ask you all what you thought was the best one. I'd have to …
... a complete grasp of machine code and the operating system. ... My knowledge of machine code is about the same ... INPUT "Colours of loading signal? ",l1,l2
Followed by machine code ... would be inserted in the machine code where necessary.
Interesting Custom LoadersHi everyone, I was just thinking about custom loaders on the spectrum and I thought I'd ask you all what you thought was the best one. I'd have to …
... lines:
10 INPUT "Colours of pilot signal? ", ... INPUT "Colours of loading signal? ",l1,l2
Followed by machine code ... would be inserted in the machine code where necessary.
[/quote ... I experimented with in machine code. I made a copy ...How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks
... at location xxxxx
PRINT USR xxxxx calls a M ... knowledge. I never got into machine code programming.
Necros ...How to apart a 16K from a 48K?How can I understand that if i have a 16K or 48K? Thanks
... )
3) So PRINT USER will execute code at 65535, which is ... is in BC when the machine code runs, and BC holds the ...About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... is uncontended on the 48k machine. I'd only change start ... to call ROM functions like PRINT, INK, BORDER, CLS, etc.? < ... />
printf uses the ROM print function and Lee's already ... of a custom library of machine code routines for manipulating sprites, etc ...What was the first game/program you wrote?Mine: ZX81 - a centipede clone with just one piece to shoot at - I called it Monopede :D Spectrum - a Basic game co-designed with a friend. I prog…
10 PRINT
20 PRINT
30 PRINT
40 PRINT
50 PRINT
...this ... was extremely happy when the PRINT stayed on the screen :D ... got into assebler or the machine code (and probably never will ...ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... finally getting round to learning machine code. Last time I did I ... did was to experiment with print usr 0 on a few ...ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... finally getting round to learning machine code. Last time I did I ... did was to experiment with print usr 0 on a few ... at your decision to learn machine code, as I suspect it will ...ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... finally getting round to learning machine code. Last time I did I ... did was to experiment with print usr 0 on a few ... a Spectrum emulator and entering "PRINT USR 0" LMAO :lol:
PRINT AT in assembler Hello everyone, I am very new to this forums. Like perhaps many others I had a Spectrum as a child and did pretty much simple BASIC programming, bu…
... I changed my code it worked fine to print the character at ... little-endian format? Not in machine code, just by using pen and ...BASIC question (in both ways)hi, im fairly new to spectrum stuff.. I bought one a couple of days ago.. im trying to write a basic program that opens a window (drawn with DRAW com…
... to accept any user input:
[code]10 INPUT "coordinate?";c
code]
You can use ... "charactercoordinatex" as an origin to print characters.
EDIT: Aw ...Emuzwin / Spin AssemblerHello lads. Wondering if anyone can help. I've decided to look into playing about with some code using the Emuzwin or Spin built-in assembler. Are th…
... memory to store the machine code program once its assembled. ... assembling.
Machine code can be called from basic ... function. These are PRINT USR "address of machine code", RANDOMIZE USR " ... To return to BASIC your machine code program must end with ...42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…
... up a new channel from machine code to print to via a stream ... to the 42-column output code that stream #15 is connected ...did anybody program games for their spectrum?did anybody make games for their spectrum and have you still got them in tap/z80 format. i once attempted to make a side scrolling game but it didn…
... )i was just getting into machine code using data lines for objects ... " AND swordloc="0" THEN
PRINT "SWORD"
YAWN!..
Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks
... ) very, very compact. A simple PRINT statement, assuming that you don ... many hundreds of bytes of Machine Code :(
BASin's compiler ...Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks
... -times. So one PRINT command would take 100s ... of bytes, but two PRINT commands would take 100s ... day it compiles a PRINT statement to a (possible ... calculations and then CALLs the PRINT routine.
... is present when any machine code is called that frees ...Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks
... uses run-times. So one PRINT command would take 100s of ... bytes, but two PRINT commands would take 100s of ... ROM is present when any machine code is called that frees up ...how to pass arguments from Basic to MC ?can someone explain me (or give some link) how to pass arguments from basic to machine code? i mean something like this: PRINT USR xxxxx, arg1, arg2:…
... using pokes
Most machine language functions don't strictly ... So to call a machine language function you need to ...
eg.
MACHINE CODE:
org 30000
call ... PRINT USR 30000
This would call a drawimage machine code ...Basic or Machine code?Hopefully the correct area of the site to post this question. Anyways, I have got hold of several books on programming my spectrum, and I was wonderi…
... oriented and as yet non-machine code my brain is. I ... takes a text file as input and compiles to a ... can just write your code in your favorite MacOS text ... . No hassle when the code crashes your Speccy! And ... copy/paste when writing your code. :)
For extra ...New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... PRINT to display your graphics and not some user written special machine code ... some background characters
91 PRINT "@@"; CHR$ 8; CHR$ ... on screen
110 PRINT "CD";CHR$ 8; CHR ... the background characters @@
130 PRINT "AB"
New - BASin r13a is available for downloadHi all, Here's the latest BASin. Mostly just bugfixes, but also now has the upgraded UDG editor which can now edit multiple UDGs on one editing gri…
... and writing the game in machine code.
[/QUOTE]
Hehe ... so that sprite commands using PRINT USR statements can be written ...Getting attribute location from a screen coordinates (x,y)I am having trouble figuring out how to convert an x,y coordinate pair (pointing to a specific pixel) to the location of the attribute for the block …
... the main screen (minus the input area) as (0, 0), then ... -ordinate convention for a purely machine code program though, but just in ...
