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I thought I'd give assembly a goAnd well being an absolute newb,I'm absolutely useless.I need your help. I thought I'd give this a go in zxspin [url]http://chuntey.wordpress.com/20…
... Basic to boriel's ZX basic, and then sneaking in bits of assembly to ... speed up the key bits is the easiest way to learn assembly ... principles. If you want to write a ... in pure assembly, it's quite hard to start from ... -
BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... simply allows the emulator user to import BASIC code into the Speccy ... function to import binary code and a small chunk of disposable assembly ... itself thus does the ascii to BASIC translation, rather than a 3rd ... my type in's tend to start at line 1...
16k programmingHi all, If I want to code something for a 16k (or any spectrum) my understanding was that if I CLEAR below 24064 and put all the code above it up to…
... />
If your assembly program never returns to BASIC, it will have about ...A loading screen for Mr. HeliWell, I've managed, once more, to make another pic in less than two weeks with ZX Paintbrush tool from Klaus Jahn and show it for all of you. As seve…
... but the first block of basic has some code, tucked away ... [CODE];
; mr heli - first basic bit
;
org $5cd2 ... (48K BASIC).
; bit 5: 1=Disable further output to this ... Spectrum]
ret ; and return to addresses on the stack
A loading screen for Mr. HeliWell, I've managed, once more, to make another pic in less than two weeks with ZX Paintbrush tool from Klaus Jahn and show it for all of you. As seve…
... but the first block of basic has some code, tucked away ... [CODE];
; mr heli - first basic bit
;
org $5cd2 ... (48K BASIC).
; bit 5: 1=Disable further output to this ... Spectrum]
ret ; and return to addresses on the stack
Machine code assistance please #1Dear all, Learning the ropes here, so please excuse these odd questions which may seem simplistic to you learned lot. This routine is placed at 33…
... and just set BC to your own value.[/QUOTE ... relies on BC value to calculate jump and call ... Moreover it's also possible to write something like this: ... code for a mixed BASIC/Assembly program, which machine code ... is chosen randomly by the BASIC:
...Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... Microdriver code that gets called to return to the called program or launch ... /> Here's the corresponding code to populate the SNA header (at ... my IFF1 and set it to zero and switched RETN back ... the above assembly that the border always gets set to black, but ...DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... is tape emulation active. For return to real tape you can press ... write command ".TAPEIN -c" in basic. All next LOAD/SAVE/VERIFY ...The complete Knight Tyme (48k) RAM disassemblyHello! Just a quick note to let everyone know that the initial version of my [URL="http://www.dur.ac.uk/philip.anderson/disassemblies/knight-tyme-48…
... />
Just wanted to add to the chorus of voices showing ... s not the alternative ([i]return to King with treasure[/i]) ... !
Anyway, welcome to WoS. There are some nutters ... m writing will do disassembly, assembly. debugging, optimisation etc etc ...Compiler conventions for passing args/return valuesI've been mulling over this for a while, but I can't spot it covered anywhere. There are various methods for passing args and return values between …
... flags are set to communicate more information to the assembly programmer.
... bool for return type and using carry to represent that ... you have to wonder how that bool return value is ... Sdcc calling conventions:
Return value in L, HL, DEHL ...Z80 Assembler for Win7 PC (64-bit)Does anybody know where I can get a decent Z80 assembler that will work on my 64-bit Win7 PC? I tried the first one in the WoS utilities and it would…
... some compiled basic (or drop print statements into your assembly to test stuff ... ! [push registers before popping into compiled basic, mind ... can be higher level, owing to inline assembly, it's very nice ...coding guruOk I'm looking for a to help me in my quest to do my first proper game. The 80's child in me thinks he can do it, But the 2013 man in me knows zip. …
... /> First learn Sinclair BASIC. It's enough to create reasonably playable games ... />
Then learn how to use ZX BASIC. It will be very ... tells you that you need to learn Assembly! :)
[I]
What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... happens if it fails? A BASIC error would crash the computer ... break, on loaderror it will return (AFAIK)
Break can ... CALL (not JP) you can return to your own routine.SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... for future development of se basic?[/QUOTE]
... making the source easy to follow. That has included ... have any time to work on SE Basic after the end ... of the year so I'm trying to ... not saying I'll never return to it. I'll certainly ...SoftPLAY: Use the PLAY command from 48 BASICNow you don't need 128 BASIC to use the [B]PLAY[/B] command. Just use [B]PRINT #8;[/B] instead. [url]https://dl.dropboxusercontent.com/u/15659782/So…
... you don't need 128 BASIC to use the [B]PLAY[/B ... as UDG char "U" in basic line. CPU see this char ... as error and jump to zx rom at address #0008 ... PLAY code + call PLAY code + return to ZX rom.
Same ...SoftPLAY: Use the PLAY command from 48 BASICNow you don't need 128 BASIC to use the [B]PLAY[/B] command. Just use [B]PRINT #8;[/B] instead. [url]https://dl.dropboxusercontent.com/u/15659782/So…
... as UDG char "U" in basic line. CPU see this char ... as error and jump to zx rom at address #0008 ... PLAY code + call PLAY code + return to ZX rom.[/quote]
I ... 'll leave that up to you. I don't have ... a divIDE to play with.
[ ...Break into programIs there any way of stopping people using the break option in my software productions so they can list the code.
... to "statement return" after an error, to continue with the next BASIC statement. To jump to ... I use to jump to a BASIC error handler ... Retry can be made to return to the exact statement ... BASIC (other than by doing CLEAR) by poking all the entries to return to ...Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... discussed there, forced him to "jump to pretty obscure ROM locations ... (from shadow rom back to basic rom) still work then. ... HL,pagout ;the addr to jp to
LD (#5CED ... our own return
;here my calls to SHDROM ...LOAD "" CODE - Blind Alleycame across [B]Blind Alley[/B] in the archives, and both tzx/tap versions only have Bytes header, no Basic loader with autostart - please, anyone, ho…
... starts loading before the BASIC and ends after loading ... game. Due to the saving with the BASIC part of ... the game will return to the loaded BASIC after loading and ... is the RANDOMIZE USR command to start the game.
to save the entire memory ...SCREEN$ bug fixI've been using the SCREEN$() function recently for reading data off the screen rather than taking up space with an array and I got fed up with the s…
... push hl ;save return in case not to BASIC
ld a ... ,h
cp $40 ;called from BASIC ... br /> ei
ret ;return via $3365 RE_ENTRY
[/ ...Problem with Pasmo Assembler/Speccy emulator?I'm at the start of trying to learn Z80 assembly for the ZX Spectrum. I'm using Speccy 1.7 as my emulator, Pasmo as my assembler, and am following t…
... .blogspot.com/2011/12/introduction-to-z80-assembly-part-i.html[/url ... when you should see 3 basic lines.
I opened ... displays those three lines of basic that it mentioned, I type ... I've never used the basic in the emulator until now ...128k gamesHi. I've come to World of Spectrum for advice. I'm a Commodore guy OK, please be nice to me, as I seek your wisdom! I love the Commodore 128, and I'…
... it's a job to know where to start. There is ... be put off by references to BASIC in the programmer's ... it's all applicable to assembly as well as it ... books/pdf/Commodore_128_Assembly_Language_Programming.zip"]C128 Assembly Language Programming[/URL].
...128k gamesHi. I've come to World of Spectrum for advice. I'm a Commodore guy OK, please be nice to me, as I seek your wisdom! I love the Commodore 128, and I'…
... it's a job to know where to start. There is ... be put off by references to BASIC in the programmer's ... it's all applicable to assembly as well as it ... books/pdf/Commodore_128_Assembly_Language_Programming.zip"]C128 Assembly Language Programming[/URL].
...128k gamesHi. I've come to World of Spectrum for advice. I'm a Commodore guy OK, please be nice to me, as I seek your wisdom! I love the Commodore 128, and I'…
... it's a job to know where to start. There is ... be put off by references to BASIC in the programmer's ... it's all applicable to assembly as well as it ... books/pdf/Commodore_128_Assembly_Language_Programming.zip"]C128 Assembly Language Programming[/URL].
...DIM DATA and the likeSo...I'm trying to work out arrays in BASIC a bit more and have knocked up the following quick test bed to fiddle about with before trying anything m…
... You know you really want to learn assembly...! If you learn something else ... the easiest way to make the link between BASIC and machine ... SPIN and create a simple BASIC program that will run ... window containing your one line BASIC program:
[IMG] ...DIM DATA and the likeSo...I'm trying to work out arrays in BASIC a bit more and have knocked up the following quick test bed to fiddle about with before trying anything m…
... You know you really want to learn assembly...! If you learn something ... the easiest way to make the link between BASIC and machine code ... SPIN and create a simple BASIC program that will run your ... window containing your one line BASIC program:
[IMG] ...Convert .mid files to .asm for AYI've had a mess about with Midibeep for converting midi files to Basic BEEP statements with little success, it got me wondering if there were a progr…
... Tracker doesn't natively output Assembly listings as such... It ... .TAP file, but not in assembly format...
You ... Midibeep for converting midi files to Basic BEEP statements[/QUOTE]
< ... can instruct it to output .TAP or assembly or your notes ...Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... better to think about C as an substitute for BASIC than for assembly ... to express things in them than assembly.
Just like some BASIC/assembly ... hybrid games uses BASIC for ...
