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ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... I've published ZX-Assembler in its first version ...
better and more powerful assembler tools around:
... emulator files directly with ZX-Assembler.
* The ... br /> * On short jumps, ZX-Assembler checks whether the jump to ... -
EmuZwin 128k banks in assembler Having looked at the assembler help file " ORG [{ RAMn | ROMn },] #target_address [, #dest_address ] Defines target assembling address and ta…
Having looked at the assembler help file
"
... Address Control option in the assembler off).
"
Errrr ... -
How to Write ZX Spectrum Games - Jonathan CauldwellHello, I'm trying to improve my very basic level of assembler by reading the Jonathan Cauldwell guide. I'm fine with the basics LD, CP, and JP,…
... my very basic level of assembler by reading the Jonathan Cauldwell ... /> ld de,string
ld bc,eostr-string
call 8252 ... -
Problem with BC corrupting after DJNZJust for fun, I'm messing around trying to get the level maps from Lemmings to display on the screen with machine code. It's been ages since I did an…
... />
LOOP1 LD BC,8 ; SET THE COUNTER FOR ... LINES
LOOP2 PUSH BC ; STORE THE LINE COUNTER ...
LD BC,32 ; SET THE COUNTER FOR ... NEXT LINE
POP BC ; RETRIEVE THE LINE COUNTER ... on screen, after popping BC the DJNZ doesn't ... -
Calling machine codeOccasionally I see on ZX computers (mostly the spectrum, but I think also the '80 and '81), how someone made their machine code and wrote the bytes i…
... it like this:
[code]PRINT USR 60000[/code]
If ... leaves an integer in the BC register, then that integer will ... -
How to manipulate G+DOS data files in assembler?In order to improve an assembler project for 128K with PlusD, I need to implement two file operations: [list] [*] Read and overwrite any 1-KiB bl…
In order to improve an assembler project for 128K with PlusD, ... . So far my experience in assembler on G+DOS is limited ... -
Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... circles. I then found an assembler plot function, I can draw ... for CALLEE functions)
POP BC ; C = x, and remove x ... -
How to save/print a complete Thread with multiple pages?Hi folks, is there an easy way to save or print a complete thread with multiple pages? Thanks for any help and support. Best regards, Urs
Hi folks,
is there an easy way to save or print a complete thread with multiple pages?
Thanks for any help and support.
Best regards,
Urs -
Screen address of PRINT position...Hi Folks, The following code uses DF CC system variable to extrac the screen address for a PRINT position. [code]100 CLS 110 PRINT AT 10,16;…
... the screen address for a PRINT position.
[code ... ]100 CLS
110 PRINT AT 10,16;"A"
120 PRINT AT 11,16;"B"
Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... /> I need a routine in assembler for calculating if these lines ...RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…
... USR x ? I just tried PRINT USR 65368 it resets the ... machine! Why doesn't it print the UDG at 65368?Print (to screen) avalue held in a register pairHi guys, looking for a routine that will print any value from 0 to 65535 to the current position on the screen. I once heard that there was a PRIN…
... for a routine that will print any value from 0 to ... want a routine that will print a value held in theBC ...So where is the random number in the Speccy ?So I am messing around with ZX Spectrum Assembler and I want a random number. I looked up previous posts and one of the links said that random number…
... messing around with ZX Spectrum Assembler and I want a random ... get
49 if you PRINT PEEK 14000Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... :
[code]
LD bc,(SEED)
call $2d2b ;STACK_BC ... stack the number in BC
rst $28
... 9999: LET st=t0: PRINT #0;AT 0,0;"Start ... 9999: LET ft=t0: PRINT #0;AT 1,0;"Finish ... -st)*100+0.5)/100: PRINT #0;" Time=";time;" secs ...Zeus Assembler Object Code LengthHi, I'm starting out assembler programming with Zeus Assembler. I've followed the tutorial in the manual and it seems quite nice to use. The on…
... /> I'm starting out assembler programming with Zeus Assembler. I've followed ...More basic assembly stuff!I've been figuring out some more stuff using CALL and DEFB but this has me a bit stumped. [code] ORG 33000 LD BC, 16384 PUSH BC CALL GO RET …
... 33000
LD BC, 16384
PUSH BC
CALL GO
BC
RET
[/code]
When I do PRINT USR ...Less MIA - Peker AssemblerMIA and also missing from the database! [img]http://oi66.tinypic.com/16hw67a.jpg[/img] Peker Assembler TZX https://app.box.com/s/vdniq5c6r30…
... img]
Peker Assembler TZX
https ... Jan 1986, page 93-94. Assembler Cassette:
[ ... br /> The Peker Assembler is a relocatable 6k assembler that compiles Z80 ... in REM statements into assembler. Using the standard loader ...Why don't the variables print where I told them too?I wrote the following program to experiment with creating sounds using 3 notes of BEEP and having the ability to change the notes up or down one at a…
... so I told it to print them and it prints them ... c=c-1
116 PRINT "a is",a, AT 2 ... ,1
117 PRINT "b is",b,AT 4 ... ,1
118 PRINT "c is",c,AT 6 ...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. …
... CALL PRINTNUM
; ---------- PRINT COLORED ROWS ---------
LD ... LD DE,FIFTH
LD BC,2
LDIR ; ...and ... LD DE,FOURTH
LD BC,2
LDIR
... LD DE,SECOND
LD BC,2
LDIR
Coding WorkflowHello All, I'm trying to work out an easy coding workflow. I'd like to be able to code in an modern text editor, compile the code to a .tap file and…
... ) and Z80 Pasmo Extension for Assembler.
I've tried ... (SimpleTest.bas) -
[code]10 PRINT "Hello World"[/code]
[code ...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…
... recall that someone stated the PRINT command is rather slow because ...Emulator with print function?Is there an emulator that can LLIST to a standard printer? Speccy does have a function to dump a graphical version to a text file, but it's a pain th…
Is there an emulator that can LLIST to a standard printer? Speccy does have a function to dump a graphical version to a text file, but it's a pain then getting that to print properly.shadow regs musingIn the process of optimising some assembler, it occurred to me how great it would have been if the Z80's shadow reg opcodes had been a bit more fully…
... the process of optimising some assembler, it occurred to me how ... to exchange either AF or BC,DE,HL. Which makes them ... cumbersome to get shadow BC into regular BC without going via the ... up with:
ex bc, bc'
ex de, de'
Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... GO TO 250
160 PRINT "Hex ";H$;" ";
170 LET ... -(48 AND H64)
210 PRINT TAB 8;(" " AND DUsing 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 …
... following in to Basin's assembler:
[code]
LD HL,(23641)
LD BC,130
CALL 5717
POP HL
LD BC,128
LDIR
SET ...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 …
... ; string to print
ld bc, eostring-string ; ... br /> call 8252 ; print our string
... .
rst 16 ; print it.
ret
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…
... de,space ;else, print SPACE
ld bc,5
jp 8252 ... /> ld de,enter ;else, print ENTER
ld bc,5
jp ... de,s_shf ;else, print S. SHIFT
ld bc,7
jp ... de,c_shf ;else, print C. SHIFT
ld bc,7
jp ...Print vs 23659To be honest I could not think of a better topic title, although its not ideal. Anyway, I do recall reading ages ago that the reason you cannot no…
... normally get away with a PRINT AT 22,(whatever) is because ... POKE 23659,0
20 PRINT AT 22,0;"Yes we ... POKE 23659,0
20 PRINT AT 23,0;"Some text ...i keep getting this error in my assemblerinvalid combination of opcode and operands (ex af,af') what does this mean and how can i fix it? im using spin assembler.
invalid combination of opcode and operands (ex af,af')
what does this mean and how can i fix it?
im using spin assembler.
