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Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
You need something in machine code that can be called from ... can do is call the machine code rotine. That is the fastest ... been working with screen conversion tools and small Basic and machine code routines for ... -
Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... ]You need something in machine code that can be called ... do is call the machine code rotine. That is the ... working with screen conversion tools and small Basic and machine code routines ... cross platform support, not machine specific codecs deliberately (besides ... -
Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... 't do something like 1 PRINT USR 0. Is there any ... />
I don't know machine code. I'm just searching the ... =Shadow Maker;325347]
[code] LD HL,#1303
PUSH ...
[/code]
This will put ZX to 48k with open ... -
New member here. And a spider! :)Hello everyone. My name is Sekrets. I'm quite a lonely individual, searching for a digital home where I might find fellow speccy enthusiasts to adopt…
... cub scout badge!
Machine code had always seemed way beyond ... and manipulating bytes, addressing the screen ram, making comparisons, loops, ... snapshot before testing).
With it's 64 columns text ... that we all started with simple coding and things ... -
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 …
[code]
; PRINT AT Y,X full screen
; Y = B-reg, X = C-reg
; 0 -
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 …
... like what you are doing with the Carry flag here! Not ... make the selection for upper/lower screen.
And as for ... use this in a full screen board sized 8x8, each field ... . So I use a screen 24x24 and need full print at functionality. -
Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... reset, then Home switches between screen fitting modes.
[QUOTE ... 'm kinda allergic to fiddling with Windows, C and other so ... 'd better stay within the machine code and raw emulation frontiers :razz ... -
Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…
... Screen Colour Data
The thing to remember with ... RAM but with a special caveat - whilst the screen is being ... .
The screen starts at 16384 (4000). Addresses ... character images. When a machine code program is running, these ... -
Graphics: What is the point of ...... actually, let me apologize for such a stupid vague thread title, I so wanted to avoid this but the whole sentence I wanted to write is just way t…
... years ago, I experimented with 4-colour sprites using interrupts ... machine code programming (after figuring out you couldn't copy the entire screen ... br />
The problem with trying to emulate the look ... screen, that won't be in step with the Speccy with ... -
Which games had the best music?Well? I always loved the music you heard upon dying in 'Zombie Zombie'. Also, are there any sites that have mp3s of Speccy music. I've seen the ones…
... , and that's the problem with all >50hz players on ... way to get stable updates with any frequency other than 50hz ... was trying to get some machine code going a few weeks back ... detect the end of the screen area, for example? -
How paint in the down two lines ?The down two lines on the spectrum screen cant be used. But i remeber from the 80's that exist some code that allow us to paint on these two lines wi…
... you're going to go machine code, I have to recommend using ... draw inside this is full screen, with 0,0 being at the ... program ends up being fast machine code! -
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... 10-160 set up the machine code. Lines 1000-1030 give an ... ), 255
1030 PRINT USR(prog + 5)
[/CODE]
And here ... 's the source of the code. Someone with more understanding than me ... move argument parsing into the machine-code bit, so that the 'exists ... -
The official Pandora handheld threadHas anyone here got a Pandora yet? If so, what do you think of it? Is it as comfortable to hold and use as we're all hoping? What is the screen like …
... excellent, and has full Spectrum screen with onscreen border mode, which the ... , due to the DS's lower native resolution. Or you can ... DS gives you a touch screen keyboard (brilliant!), instead of the ... PSPs), otherwise think about which machine you'd prefer. -
The Hisoft BASIC v1.2 Plus 3I am trying to compile a basic program with the [B]Hisoft BASIC v1.2 Plus 3[/B]. When i read the instructions to prepare the program to be compiled b…
... to stop compiling. As with all instructions to HiSoft BASIC ... colours will appear on the screen. We'll explain later ... should indicate that the compiled code (machine code) is 357 bytes long ... bytes must be reserved for machine-code variables. For the sake ... -
'Hello World' in ASM ?Can someone show how to make the classic 'Hello World' print with ASM code ? I cant figure at this moment how to insert and handle strings with the s…
... those with a value under 32.
So:
[code]PRINT CHR ... $16;CHR$n; will select INK n
PRINT CHR ... ; will select INVERSE n
PRINT CHR$21;CHR$n; will ... /> The equivalent from machine code would be:
[code]LD A,16
How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…
yes but with the code i used in the reply # ... the basic i tried to print the gdu A and i ... see the character painted on screen.KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…
... Cancho;449050]If I can code things in a way you ... code doing? Doing an HALT and then print two squares in the screen with ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... 16-bit number from machine code. However, the number ... ret[/code]
and call it using PRINT USR. ... with text string it will be something like this:
[code ... this:
[code]10 LET a=USR ..
40 PRINT CHR$ c;
...Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... something you type in with an E cursor[/CODE]
... who did actually write in machine code directly as binary. Not big ... /> Something like the standard screen dumping routine:
[CODE]ld hl, source ... . Just slap it in with a FOR/READ/POKE/NEXT ...Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... then. Sadly, my first shot with the routine failed spectacularly. It ... just cut and pasted the code into my assembler (AS80 ... Image1.jpg"]Output Screen Here[/URL]
[CODE] org 24000< ... bottom of the screen - restore AF and exit Print routine
;[ ...Platform Game Designer 2Right, with Telly Heroes out of the way, I've decided to have a second attempt at this. I've ditched the old PGD2 source, and started again with the…
... are straightforward enough and the screen data compression is pretty simple ... script and converts it to machine code. Then again, I designed ... happy to make TommyGun work with either AGD or PGD or ... to build the script to machine code process into TommyGun and ...Adventure Gamebook Solver"It would take me ages to solve that adventure gamebook without AGES" - is what someone might say if they didn't have the [url=http://www.users.globa…
... couple of places in the machine code routines ("update index" & "init ... /> * I added an option to print a Referenced Locations list after ... indexing to be getting on with, so there won't be ...Best handheld for speccy emulationI wanna get something handheld that has a speccy emulator and can play games what is my best option in terms of value and quality?
... it's larger screen resolution means it can cope with all of ... excellent, and has full Spectrum screen with onscreen border mode, which the ... due to the DS's lower native resolution. Or you can ... about which machine you'd prefer.
Of course, with the ...Best handheld for speccy emulationI wanna get something handheld that has a speccy emulator and can play games what is my best option in terms of value and quality?
... it's larger screen resolution means it can cope with all of ... excellent, and has full Spectrum screen with onscreen border mode, which the ... due to the DS's lower native resolution. Or you can ... about which machine you'd prefer.
Of course, with the ...BITWISE operators...Hi Folks, Another question - is there a way (fast) to do bitwise operations in Sinclair BASIC? Many thanks Paddy
... br /> DO SOMETHING
RETURN[/code]
* Numeric ... can be implemented in machine code by trapping the error ... 1000
GO SUB MovePlayer[/code]
* Local ... of them use a lower level of floating point ... of the routines with assembly code.storing machine code in BASICApart from putting m/c above RAMTOP, which means that it has to be POKEd or LOADed separately after the BASIC program; or putting it in a REM, which …
I prefer to place the machine code in a string variable, the ... program, and to call it with [code]10 PRINT USR (256*PEEK 23628 ... + PEEK 23627 + 3)[/code]
It's ... nowhere near robust enough to use with a ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... have started to learn Z80 machine code - 25 years too late ... I have become stuck with the JR NZ instruction. ... intended to paint the screen black (nothing complex) ... FFh in the first screen address i.e. it ... /> JR NZ, loop
[/code]
secondary, you ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... cgi?id=0008031"]The Complete Machine Code Tutor[/URL]. It takes ... attribute data in the screen area, and you see ... until BC reaches 0. With DE set to HL+ ... BC sized block with that byte. Together with that 1st ... ULA doesn't interfere with the Z80 (outside 4000 ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... was thinking about Z80 machine code etc. One learning exercise ... was to write a machine code double height character printing ... you have a top/bottom PRINT statement. This allows the ... full use of the PRINT features e.g. colours ... count=0
140 PRINT AT 0,0;a< ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... POKEs the data in to screen memory to create the double ... is low.
[CODE]100 PAUSE 1: BRIGHT 1 ... p$)
270 LET T=CODE p$(a)
280 IF ... 1 TO 2
340 PRINT AT y,x;: LET sa ... is the prototype for the machine code version but the other one ...
