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Flicker free animation in BASIC, is it possible ?With all my various noodlings in BASIC and indeed with my so far limited assembly I keep coming up with the same issue. How do you do animations wit…
... ;910307"]your code could quite trivially POKE the line number bytes of ... using it for hand-assembling machine code?
I’ve made ... (and seen) quite a few machine code/BASIC hybrids in my day ... -
A problem with the divMMC Future interfaceHere's my second attempt at posting this: I bought a divMMC Future, which allows you to load and save Spectrum games in seconds. It does this very…
... you type in
[code]PRINT IN 31[/code]
0 will be ... ("floating" bus value) or a number corresponding to the byte of ... -
How to automatically find the character set in a gameThis is all completely new to me, so please be patient. I've done some reading up on how character sets are handled by the Spectrum. I understand tha…
Thinking further, I guess many games print out their text in the same manner as sprites, rather than the machine code equivalent of 'print at 10,10;"morph".' Is that right? What would be the advantage of this, other than breaking out of character spacing? -
How to automatically find the character set in a gameThis is all completely new to me, so please be patient. I've done some reading up on how character sets are handled by the Spectrum. I understand tha…
... rather than the machine code equivalent of 'print at 10,10;"morph ... typically need. Regular 8x8 print routines would sometimes allow to ... trick is offsetting the vertical print position by 4 pixels, ... games' needs. Simple standalone print routines start at some 15 ... -
How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…
I seem to recall something on the Horizon's tape used a machine code routine to print text in a very large font? Or did I imagine that? -
How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…
[quote="thricenightly;914001"]I seem to recall something on the Horizon's tape used a machine code routine to print text in a very large font? Or did I imagine that?[/quote]
No, you're quite right about that :) -
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…
... . you could try some machine code engines to let you display ... 5 minutes)
[code]
100 PRINT "You are walking along ... you!"
210 PRINT "He shoots!"
220 PRINT "--- Game Over ... br /> 405 PRINT
410 GO TO 100
[/code]
... -
Reading Disks via ASMI'm hoping to port my Amstrad game to the spectrum (See the link in my sig for info) I will be targeting the 128 and +3 - the game will not work on …
... line buffer, created by your machine code program"
... where they want your machine code program to pretend to ... possible for your machine code to return a line number that you ... perform whatever disk access your machine code program needs to do. ... -
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 - it compiles to machine code, has a number of libraries for sprites ... easier to move blocks of code around, much easier to copy ... -
Speeding up PRINT code in ROMHi Folks, I seem to recall that someone stated the PRINT command is rather slow because it has to handle screen and printer printing - is this cor…
From BASIC or machine code? You could just write your own character print routine ... -
ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... or 1/4 of the number of total zx-pk.ru ... any sort of ZX Spectrum machine code at all'.
Then ... -
Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…
... ROM routines from machine code? I tried this
[code]
PUSH BC ... /> POP BC
RET
[/code]
To get this ... sure there is the same number of PUSH and POPs ? :) -
Looking for cursor routineIt's been a long time since I programmed a little bit in Basic, so I decided to create a simple cursor routine: [url]http://db.tt/SPnSdpx[/url] I k…
... the addresses of the relevant machine code routines.
@mik3d3nch try ... or 48k machine (or a 128k in 48k mode).
Print something ... /> So for example:
[code]10 PRINT "line 1"'"line 2"
20 PRINT "line 3"'"line 4"
Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…
... lower screen.
[code]100 REM ------------------------------------------
110 REM ... ,Y
250 PAUSE 1: PRINT #S;AT Y,X;B ... valid
300 LET K= CODE INKEY$: IF K11 AND K13 ...48k Issue 6a Very sick indeed.Hi Guys. I have a 48k Issue 6a board that shows a white screen with grey border. The white screen has three black squares spaced equally on the le…
... the LM1889N chip, as the machine is generating a display despite ... colours are listed on the number keys of the keyboard).
machine is powered on, this ... at least started running the machine code BASIC interpreter program from the ...Custom Menus on the ZX Spectrum +3Today, my Friends, i have the pleasure of presenting a program i have written which gives a set of custom menus on the +3. The main features of my p…
... support routines in plain Z80 machine code, the 'proper' entry into the ... [/b] call followed by a number of data bytes representing calculator ...Spectrum +2 grey ear mod?Is it possible to turn the sound port on the back of a grey Spectrum +2 into an ear input? I know it's possible for the black +2 but I can't find muc…
... repairer using OUT 32765,(16 + number of memory bank required) to ... can use a bit of machine code to test that the RAM ...Spectrum +2 grey ear mod?Is it possible to turn the sound port on the back of a grey Spectrum +2 into an ear input? I know it's possible for the black +2 but I can't find muc…
... repairer using OUT 32765,(16 + number of memory bank required) to ... can use a bit of machine code to test that the RAM ... out. So that the Z80 machine stack and other important areas ...im looking for a double size, height and width character programi want to be able to stretch and scale up udg's
... is more fiddly. BASIC or machine code?
The easiest way ... equivalent bottom-halves. Then just print one under the other. For ... multiple banks of UDGs and print one under the other. As ...Cubic RevealI just though I'd develop this a little further. Written a while ago on a whim! [img]https://dl.dropbox.com/s/p44y5dda49ucmop/square_reveal_1_1.gi…
... solution was:
[code]
;Seat number = highest set bit in ... result (BC) from BASIC (PRINT USR 40001)
[/code]
The ...
20 PRINT USR 40001: GO TO 10
[/code]
I feel like such a moron having to post this but stillI started out to write a simple cursor move program to demonstrate how easy it is to program in Basic! Hah, serves me right. I started by setting…
... it can convert Basic to machine code?
READ THE DOCS ... at my age the small print in the window gets damn ...I feel like such a moron having to post this but stillI started out to write a simple cursor move program to demonstrate how easy it is to program in Basic! Hah, serves me right. I started by setting…
... it can convert Basic to machine code?
[/b]
READ THE ... at my age the small print in the window gets damn ...i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…
... move him, but only occasionally print animation frames over top periodically ... can see, is to implement machine code routines within ones basic program ... functions, and the ability to print limited portions of the string...i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…
... move him, but only occasionally print animation frames over top periodically ... can see, is to implement machine code routines within ones basic program ... functions, and the ability to print limited portions of the string ...Why can't you make a BASIC program as big as you want?Let me rephrase that. Is it possible using BASIC to write a program that can be multi part? In other words one that can LOAD lets say a story, in se…
... , so you can use LOAD CODE to make multiload.
- Making ... unintended behaviours.
- Using a machine code routine that can erase BASIC ... , substituting lines with the same number, relocating variables). The same applies ...Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…
... something simple:
[code]10 LET location = 1
30 PRINT L$
40 STOP< ... 40 STOP
9010 PRINT "It was a dark and ...
As for more machine language tricks, It's so ... want to play with machine code and have some real ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... 'll have to translate the machine code to something that Zeus understands ... lines to have a line number. You can get Zeus to ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... 'll have to translate the machine code to something that Zeus understands ... lines to have a line number. You can get Zeus to ... in the code i.e. "008615 X" and the line number is ...How does the anti-MERGE trick work?I remember on the Beeb you decided whether to load a program and stop, or load a program and automatically run it, by choosing between LOAD and CHAIN…
Load most of your code as err, machine code and just use a simple BASIC loader:
1 CLEAR xxxxx
2 LOAD "" CODE
3 PRINT USR yyyyy
Where xxxxx is yyyyy-1
Sorted ;)ive started building a +3e disk commander but now i want to add a hex editor to itheres what i have so far: https://ufile.io/7w8n0 or try this if that file dosnt work https://ufile.io/d8x6a i cant seem to find anything in the…
... [/quote]
[code]
If basic can't print a number in hex ...
write your own hex print function
endif
[/code]
