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The influence of school.I was having a think about school this morning and realised what an influence it was on me with regards to computers. I was never a big fan of school…
... like For...Next loops, Print statements and 'Input'. I think he ... Inkey$ to catch user input at a character level and ... valid responses instead of having Input statements crashing out.
... never get my head around machine code/assembly language and didn't ... -
The point of IX+1 IX+2 ?the numbers that you can add-on to IX and IY seem hardcoded, so I dont see the use of that feature? any examples of the use of IX and IY plus number…
... too. An example:
[code]
10 DIM A$(3 ... /> 30 INPUT "Enter a number (1-3)";a
40 PRINT a ... $(a,4 TO 8)
[/code]
In Machine Code ... -
Thinking about my gameAnother long post, I'm afraid. Somewhere on this Forum is a short chunk of text I put up as a sample of what I'd like to turn into a text adventu…
... BASIC. you could try some machine code engines to let you display ... 's just a lot of PRINT and INPUT or INKEY$ and GOTOs ... in 5 minutes)
[code]
100 PRINT "You are walking along ... INPUT a
140 GO TO 100+100*a
200 PRINT ... -
Troubleshooting my +2To put this in context: a while back (i.e. late last year and earlier this year) I was looking to put together a compilation of modern Spectrum games…
... properly but has no tape input (called "Ricky" on the other ... of INs and OUTs or machine code equivalent) that I could run ... 'm thinking it'd be "PRINT IN x" with lots of ... -
counting in assembleri have this program which cycles through the character set. how do i do this with numbers say 0 to 65535? org 40000 ld b,120 ld (23612),a L…
... jr z,display3
[/code]
My example ... to display into the 'input' stream at the ... print was last done (the call to start the machine code ... )...
Calling the following before any printing...
[code ... -
what does the USR command actually stand for?im sure its an acronym, if i remember rightly. ____ sub routine?
... standard method to input some value into the machine code.[/quote]
... your machine code could insert itself into one of the PRINT# streams ... , so then a PRINT# or LPRINT ... command would send a string to your machine code ... -
What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... INPUT magazine series would help, if someone wants a primer on Machine Code ...
ret
PRINT USR 50000
machine code / assembler at all yet ... program memory where your machine code routines and data are ... -
Mighty Maths ProgramsIn a break from typing in listings from 37-year-old magazines, I had a sudden urge to write a maths-related program, as I do, occasionally. Some, suc…
... of grey" graphics around the input and output values, and using ... 's two character spaces for input integers from 10 to 15 ... translate these two programs into machine code to see how they run ... probably emulated) ZX80 - losing the PRINT AT commands will be tough ... -
how do i change the color of the input statement "" and whatever is typed in it?the background ink doesnt seem to change it
... INPUT "[EXTEND MODE, CAPS SHIFT, 2]Colour? ";c
20 PRINT "[EXTEND ... , the L cursor and the input to be displayed are still ... is going to be a machine code trick, if it's even ... -
How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
...
Then we print the score right after scrolling ... like assembly or machine code here:
[code]
... function:
[code]
void __CALLEE__ i16toa( ... br /> return score;
}
[/code]
--- END ... -
Titles for swopsThe following are up for swops. They will be going on ebay at the weekend so shout soon please. Anything not listed on my site is wanted. 1943 Kix…
... Sinclair
BMX Simulator Code Masters
Boxing Manager ... br /> Grand Prix Simulator Code Masters
Gulpman Campbell ... Lunar Jetman Ultimate
Machine Code Tutor New Generation
... Drift Hit Squad
Print Utilities Sinclair
Pssst ... -
Entire Sinclair Software Collection For Sale - Built Up Since 1988!Sinclair Spectrum Software For Sale Information below includes the title of the software, the type of media it is supplied on and the price. I can a…
... Island Dizzy, Magicland Dizzy (Code Masters ? 1990)
... Spellbound Dizzy, Kwik Snax (Code Masters ? 1991)
... Machine [Instant Machine Code Techniques To Improve Your Graphics Programming And Save Memory.]?????????????????????????????????? (Print ... -
How to program Machine Code on a PC, and then run it on a speccy?Well, I've been looking into MC a bit more deeply recently - I reckon I could get my head round MC now. Back when I was a teenager, I couldn't see th…
... a bit cumbersome to actually code it on the speccy - what ... -
An intriguing question...Well, intriguing for me anyway. As we all know, when calling a Machine Code function from BASIC, we use the USR (address) function. But for this to …
... all know, when calling a Machine Code function from BASIC, we use ... />
RANDOMIZE USR xx
PRINT USR xx
LET a ... function?
Why use PRINT instead of RANDOMIZE, (or vice ... -
Where do you start!I am fairly new to spectrums, and have only been programming for a couple of years starting on bbc basic. where do you start programming a game. Is a…
... game. Is an understanding of machine code vital, and if so can ... "Idiots Guide" to programming using machine code.
at the moment my ... x=x+1
30 print x
40 if x ... -
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…
... give a better runtime INPUT line routine with full ... for augmenting your BASIC code with machine code snippets - please report ... word wrap.
Code profiling - measure the speed that ... the IN instruction, enabling machine code routines to get at the ... -
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…
... give a better runtime INPUT line routine with full ... for augmenting your BASIC code with machine code snippets - please report ... word wrap.
Code profiling - measure the speed that ... the IN instruction, enabling machine code routines to get at the ... -
I've just found a couple of my old cassettes...Some people have interesting old cassettes full of machine code experiments they made while they were still at school. Not me. I found one cassette…
... interesting old cassettes full of machine code experiments they made while they ... type-in programmes, mostly from Input magazine.
Not all ... -
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:…
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: ...
or so... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... /> SP1 is a library of machine code subroutines that makes it easy ... a lot about how the machine works and this will ... been split up into machine-independent portions and machine-specific portions so ... protoypes in spectrum.h and input.h (the latter are functions ... -
What should be the base address to set for my codeHi, I am new here and I have a simple question but one which I have not found an answer to. When I am developming my programs what should I set th…
... the base address for my code to (i.e. the ORG ... of the memory assigned to machine code can move arround and grow ... do I assume that the machine will have a microdrive, etc ... -
In Machine Code, what is the quickest way to sort bytes?I am playing around with some ordering of sprites, where I want to order them by vertical position. I used some Rodnay Zaks code to order some bytes…
... /> I used some Rodnay Zaks code to order some bytes, and ... )
This is the code I have so far (Copied ... an earlier thread)
[code]
org 8000h
end 8000h
[/code] -
Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…
... with a player. The code is exported to address 35000 ... /> I have disassembled the code, and got it to re ... .
The code is here: [URL="http://www ... I have split the code into 2 posts as ... most appreciated:
[code]
; Disassembly of the ... -
help needed...Hi there, i'm trying to figure out a possible typo in William Tang's 'Spectrum Machine Language for the Absolute Beginner' on page 23 there's a prog…
... William Tang's 'Spectrum Machine Language for the Absolute Beginner ... program will enable you to input to your
Spectrum ...
110 print ?Input decimal value??
120 input n: print n
... $
160 if n2=0then print:print ?Hexdecimal =0?; s$;? h?: ... -
Running code from the display memory?Is it possible to run machine code from the memory area used by the display file? If you were really out of memory and some part of screen is not u…
Is it possible to run machine code from the memory area used ... to black/black, load some code in the display area and ... -
How can I view code from a game?Hi All, I had a Spectrum years ago and it is what started my love for playing games. I have recently been playing some of the old games I used to pl…
... how they structure the code and how they did ... interested in copying the code straight from the original ... there anyway of extracting the code from the .tzx or ... game into and lists the code?
With ... I don't understand machine code, I think that Striker ... -
ZX Spectrum and (real) B A S I CSometimes ago there was a thread "how spectrum changed your lives". Another thread dealt with "how to copy spectrum screens using basic not using co…
... basic not using complicated that machine code routines".
I thought ... or OK and type in PRINT "Hello world" and it did ... -
SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…
... reaches 23296:
[code]
UNTIL 23296
[/code]
This would ... O: The Z80's port input/output ostensibly uses an 8 ... way of reading this in machine code is the "IN A, ( ... complex, as demonstrated next:
[code]
UNTIL 49152 IF (PC ...
