-
Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…
... ;533841]
Consider the following BASIC program
[/QUOTE]
#include /* Standard library */
#include /* String function definitions */
#include /* UNIX ... "b",19200
SAVE *"b" SCREEN$
[/CODE]
Now ... -
Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... a,1 ;1 is lower screen, 2 is upper
... channel
ld de,string ;point de at start of ... text string
ld bc,8 ... ;length of string in bytes
call 8252 ... at the end of the basic manual, assemblers let you put ... -
Storing and displaying attributes...Hi Folks, I have a requirement to store and then redisplay a line of attributes from the screen. For example: 100 DIM a$(1,32) 110 LET line=10 120…
... BASIC? You obviously haven't read:
[thread=33911]Copying a SCREEN ... $ in ZX BASIC in 1 second?![/thread ... memory from BASIC as though it was defined as a string, so ... -
machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... ORG $5B00
LD HL,BASIC
LD (23641),HL ... one is just a SCREEN$, the second one with ... code above, replacing the BASIC string with whatever is suitable ... screen.
[code]
ORG $5B00
LD HL,BASIC ... -
Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... wants to use it from BASIC
ret
; --------------------------------------------------< ... /> call ROM_CLS ; do the clear screen
ld hl,msg_define
;
; prints a string which is terminated with $ff ... -
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…
... wants to use it from BASIC
;ei
ld ... call ROM_CLS ; do the clear screen
ld hl,msg_define
;
; prints a string which is terminated with $ff ... /> ld a,2 ; upper screen
call CHAN_OPEN ; get ... -
Auto generated spritesLooking around for some graphics I came across [url]http://blog.disktree.net/?p=19[/url] , one of several such pages. Need the odd 8x8 UDG or two (…
... ROM, upper screen
call 5633
ld de,string ;instructions
ld bc,theendofthestring-string
call ...
ret ;back to BASIC!
;
string defb 22,0,0 ... -
PFlagsIs there an explantion somewhere of what bits mean what in the printing flags? 1 23658 FLAGS2 More flags. 1 23693 ATTR P Permanent current col…
... 1]4 - Unused by 48K BASIC.[/SIZE]
[SIZE=1]5 ... 1]0 - Set if lower screen in use.[/SIZE]
[SIZE ... 1]5 - Set if lower screen to be cleared.[/SIZE]
screen to be cleared. [/SIZE]< ... - Set if handling a simple string.[/SIZE]
[SIZE=1]1 ... -
Procrustean PrintingHere's a short routine to manage printing of text with command tokens, to avoid messing up the screen when they are expanded. It just prints as many …
... /> ;stack function parameters passed from BASIC by:
;PRINT USR stack ... -
Procrustean PrintingHere's a short routine to manage printing of text with command tokens, to avoid messing up the screen when they are expanded. It just prints as many …
... /> ;stack function parameters passed from BASIC by:
;PRINT USR stack ... -
So easy to use.Back in the 90s I was off work for 3 months following an operation, anyway in my boredom I dusted off my old speccy+ and the manual, and got my head …
... print coloured words on the screen such as "Red" I have ... appears red in the listed basic, as opposed to say:
string containing the control codes externally ... -
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…
... open in a window on screen to give you this info ... out how to string those few very simple, basic language elements together ... you've learned what the basic instructions do, look at a ... -
Is there a limit to the numberof variables you can have in BASIC..... Reason I ask is I've got an idea....but using my "lowest common denominator" approach to code I fear that I'…
... your data structure, and using SCREEN$ or ATTR to check for ... check for UDGs on screen from BASIC, as SCREEN$ doesn't recognize them ... with several floors) then a string array DIMensioned to match the ... RAMTOP or a one-dimensional string could be used if the ... -
What is the (hypothetically) largest 9999 lines BASIC program possible?If the Speccy had infinite amounts of memory, what is the largest 9999 line BASIC program that could be made? (in K and amount of instructions) (Yet…
... just starts rasping after the screen is full. You could reduce ... favourite tool for exploring Spectrum BASIC is BASin.
Using ... /> Using VAL to evaluate large string expressions you can really blow ... -
New Tool: CheqEdit[b]CheqEdit[/b] it's a simple and small program that helps you to draw 64x48 graphics on screen in GRAPHICS MODE. Program can output as text in CHR$ …
... in love with your Compressed string routine there - which is ... almost forgotten about when using Basic from my past... Few ... this is a BASIC tool, but even BASIC programmers occasionally like ... and makes drawing on the screen actually quite pleasant, and with ... -
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... = {2, 2, 28, 20}; // full screen - border
struct sp1_Rect levelbrect ... = {0, 0, 32, 24}; // full screen
// The maximum ... />
// Refresh the whole screen
void drawmap()
{
Hidden Spectrum emulator discovered in Goldeneye (N64)Commence ewgf's mind being blown in 3...2...1... [url]http://news.ycombinator.com/item?id=3770288[/url] [url]http://www.therwp.com/forums/showthread…
... s larger than the entire basic N64 library, and that's ... snippet to type stuff in BASIC. (That's not included-- ... by OUT, 0x107EE4 draws the screen using N64 microcode, 0x107AF4 initializes ... exclusively in ASM for normal string display.
NDOE @ ...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…
... />
For basic users, yes. For assembly users, a string of decimal ... clear screen, and used the principles to make a ZX Basic routine ... draw routines here, though - that screen clear was hideously inefficient and ...Screen2StringFurther to writing that BASIC one-liner to redirect CAT to a string I thought that I'd do a general redirection routine for anything which normally p…
... with a little bit of BASIC trickery (using the 'R' ... can't actually open from BASIC, but by pretending that ... be sent to a string variable when the redirection ... of being displayed on the screen. It just changes the ... to by the s$ string definition pointed to by ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... Not for use it from BASIC, but from a machine ... for character moving sprites, fast screen dumping for platform games, ... ):
Benchmark 1: string printing. Characters are printed in ... ; CALCULATE CPS AND RETURN TO BASIC
ld de,benchmark_data
SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... difference when typing a short string, but make all the ...
Also the bottom of screen is a convenient place to ... to use the main screen when editing a longer ... pre-loaded with a text string.[/QUOTE]
... ]I use it from BASIC to edit blocks of ...'Spectrum Play' ErrorI always wondered why the screen sometimes filled with 'SPECTRUM PLAY' if I loaded a 48k game in 128k mode (using my 128k+2B). Colditz Story in parti…
Ah - referring to the screen shaking, I'd presumed that ... a particular string in a closed loop. Being in BASIC the effect ...SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... passing parameters through a BASIC variable. Can you ... br /> ldir ;copy initial string to INPUT workspace
... 6,(iy+$37) ;FLAGX: "string result"
set 5,( ... (DF_SZ),a ;reset lower screen to 2 lines
...Hep needed with a bit of code...I've written a bit of code to make a character move across the screen, but the counter stops at 29 when the 3 lines to delete the characters trail ar…
... /> [code]
org 63300
string: defb 21,1,19,1 ... bc,14
ld de,string
call 8252 ;203C PR_STRING ... a character move across the screen without leaving a trail (although ... done just as easily in BASIC).Converting UDG to 2x2I've got a udg that I want to display in different sizes. Obviously I just print it for normal size, I can use the udg in bin format to display it ea…
... reinvented the wheel for ZX Basic a bit ago...
String, attr as uByte)
Dim ...More memoryHi all... can anyone help, Is it possible to get more memory for basic pref' in Basin.... 40 odd k is just not enough !
... you don't use the screen there's 7kb in the ... giving you 7kb more for BASIC. That's the only spare ... reduce the size of the BASIC is to define literals as ... in any large program. Use string arrays to hold small numbers ...Level design and homebrew(g0blinish's thread on random maze generation prompted me to post this thread.) In your opinion WOSSers, what proportion of level design is [B]scien…
... to bounce things around the screen in interesting ways that I ... get to see the next screen. Of course, new hazards need ... />
Once I have the basic mechanics - bearing in mind I ... out of that theme and string the games together, but if ...A new site for an old projectThe 'Interface 1bis' project site has been moved to: [url]https://sites.google.com/site/interface1bis/[/url] In fact, it's not only a simple relocati…
... ) compatible to the 'Extended BASIC' of the Sinclair 'ZX ... Microdrive' storage operations, at BASIC command and 'hook code' ... ' ( Program, Number array, String array, Code and Print) emulator ... .Z80 'snapshot' and .SCR 'screen dump'), are also supported.
Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... FP value into a decimal string and then replaces the preceding ...
