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Macros and PasmoHi guys. I'm starting out with Pasmo for writing some stuff for the +3, and i'd like to use Macros for the calls to the BASIC ROM, where' you'd othe…
... write something like:
[code]RST $28
DEFW RoutineAddress[/code ... ]
MACRO CBAS RoutineAddress
RST $28
DEFW RoutineAddress
Outputting debug trace to RS232 (assembly)Hi Guys, I'm working on a game at the moment (written in assembly) but I am really needing to write out a debug trace of what is going on with the p…
... this be done via assembly [RST 8 ] without returning to BASIC ...Ghosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…
... /> 65528: AND (HL)
65529: RST 56
65530: ADD A ... , L
65531: RST 56
65532: LD (HL ...Venturespeak Helplooking at the code from ZX Computing, October, November & December 1986. How do I make the code do more then 3 letters say 5. and could it be made …
... PUSH BC
60142 D7 RST #10
60143 C1 POP ... XOR A
60202 D7 RST #10
60203 AF XOR ... A
60204 D7 RST #10
60205 C9 RET ...Creating your own BASIC-commands on IF1bisThe old Sinclair IF1 has offered an easy possibility to create your own new BASIC-command: The use of the shadow variable VECTOR. This is described i…
... CALBAS cannot be found on RST #10 ? it is now on ... RST #18. So be carefully, if ...understanding machine codeHi Quick question. Am not really sure if it fits development forum as its not really development per se its more a learners question about developm…
... /> C8 RET Z
D7 RST 10
18F7 JR S_PRINT ... also.....
the line RST 10 seems to jump to ...New version emulator ZEsarUX-1.3Hi I have uploaded a new version of my ZX80/81/Spectrum emulator at [url]http://sourceforge.net/projects/zesarux/[/url] Changes are: Added experim…
... that doesnt use rom calls (RST 10H). Supports automatic detection of ...ROM Calculator TrigHello, These Christmas holidays I finally have time to devote myself a little to the speccy . I have a question about how the ROM calculator implem…
... /> CALL GEN_ENT_1 ;In effect a RST 28H instruction but sets the ... /> CALL GEN_ENT_1 ;In effect a RST 28H instruction but sets the ...SPIN AssemberHi, I'm in the early stages of learning assembler, and am now looking at some tutorials from Toni Baker in ZX Computing: [url]http://wos.meulie.net…
... /> LOOP:
ld A,"*"
rst 10
jr LOOP
An invalid RST, and invalid combination of operands ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... want an asterisk here.
rst 16 ; display it.
call ... xcoord) ; vertical position.
rst 16 ; print it.
... ycoord) ; y coordinate.
rst 16 ; print it.
...Rom routine for pixel addressDear all, Having my bi-annual 'lets try machine code' project again and have come up with a problem with the pixel address rom routine at 8874. …
...
ld (hl),a
rst 16
ret[/code]
RST 16 it comes up blank ...Simple bit of machine code not working [SOLVED]ishHi all. It's late and I'm tired and I have no idea why the following piece of code wont display a little smiley face [code]ld hl,udg ld (236…
TommyGun with Debugginghttp://goo.gl/HfSXev?gdriveurl Ok, so this is a pretty big release for me and I have added a lot of stuff into the code editor. Mainly of course …
... Debug string support
Uses rst 0 redirection
Need to ...Accessing +3 DOS with DivIDE enabledI'm thinking about making a tool that copies files from a FAT partition to a IDEDOS partition. Currently, I've got two problems: - Getting the ESX…
... .inc file) to know what RST 8 codes can I use ... guess I can't use RST 8 to read from the ...So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
... machine code calls inside a 'RST #28;DEFW addr:RET'?"
Call48 RST #28 ; call a routine in ... the value at 'addr'
RST #28 ; as above ^^
addr ... all 128K Spectra uses the RST #28 to call routines in ...The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
I was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of current technology. After a short google search here is what I found out.
We are on a road to a real ...ZX Spin and a question or two......Not really used Spin before since Spectaculator covers everything I need - except now I have need of an easy to use assembler. Downloaded several, n…
New Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike DaillyNew Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike Dailly (Found on SpecNext Facebook-Page) Info and Download (=klick "CSpe…
... $5B
Loading files from RST $08 require the drive to ... properly - as per actual machines. RST $08/$89 will return the ... 28Mhz mode
-mmc=\ = enable RST $08 usage, must provide path ...High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... pointed at by HL
RST 16 ; print the character
PUSH AF
RST 16 ; show character
POP ... Z ; if so, return
RST 16 ; print the character
Using BASIC from Machine CodeHi Folks, Came across a very interesting article by Toni Baker in Your Spectrum: http://www.users.globalnet.co.uk/~jg27paw4/yr11/yr11_66.htm …
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…
... I get an indicating an RST#8. Looking in the Complete ...Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
... for AT.
rst 16 ; print it.< ... ; x position.
rst 16 ; print it.
rst 16 ; print it.
A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... a,22 ;AT code
rst $10
ld a,(ix ... +1) ;? down (vertical coordinate)
rst $10
ld a,22 ... ;22 across
rst $10
ld hl ... /> jp 8252
as_is_key rst $10 ;print the key as ...Z80, and 6502, in comparisonI was wondering about how each of these compared in terms of performance. The Commodore 64 had a 6502 @ 1MHz, and graphics processor VIC which took …
... has a floating point calculator (RST #28) but I don't ...predetermined number of loops in assemblerhi, i have this code that i have already written org 40000 ld c,33 ld (23612),a ld a,c rst 16 inc c jp 40001 but i only want to loop i…
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…
... /> loop LD a,22
RST 16
LD a,00 ...
RST 16
LD a,00 ...
RST 16
ld a,c ...
rst 16
inc c
