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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. …
... me..
ld a,2 ;open channel 2...
call $1601 ;to print ... -
Fixing Attribute Clash via emulationI'm sorry if this has been posted already, but is there a possibility to fix attribute clash via emulation? I'm not talking about RealSpec or any of …
... the screen.
ld a, 2 ; Open channel 2.
call open_channel
ld ... -
'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…
To print in the main area of the screen, you have to open channel #2. Add this code to beginning of the program:
[code] ld a,2
call #1601[/code] -
Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
...
ld a,2 ; A = 2
out (254),a ; Border ... ; Assume BASIC
ld a,2 ; Open channel 2 (screen)
call CHAN_OPEN
SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... hl, (prog) ; a channel must be created below basic ... bc, 5 ; the new channel takes 5 bytes
...
ld (hl), 'S' ; channel type; 'K', 'S', 'R' or ... move down 8 pixels and open channel 2 to
call dwncr ... jr c, udgs ;+
bit 2, (iy + 0x30) ;+ see ...Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... down 8 pixels
;and open channel 2 to deal with nasty INK ... /> CALL DWNCR
LD A,2
CALL $1601
SKIPC ... lower screen
CALL PIXADD+2 ;mod to access lower screen ...Beginner questionThis might sound and be daft.... I've just been reading J Cauldwell's "how to write a Spectrum game" but was thinking of writing something in C as I…
... :
#include
...
zx_openchan(2) /* Open channel 2 */Channel redirectionHi! I need help regarding the following problem. I want a BASIC decoder running on Spectrum, written in assembler. I found the great *LIST routine […
... prints the listing on the channel 2, the screen. However, I need ... would be to use channel 3 instead of 2, and have the ... I poked the address of channel's 3 output routine, according ... &page=3&highlight=channel+output+redirect[/url]What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... /> ld a,2 ; upper screen
call 5633 ; open channel
loop ld ...editing strings with INPUT LINEHere's the latest in my unpredictable series of utility routines. This one I needed for the SAGE game editor; it emulates INPUT LINE l$ but with the …
...
EDIT_L: ld a,$01 ;open channel 'K'
call $1601 ;CHAN_OPEN ... ;LOOK_VARS
jp c,$1c2e ;"2 - Variable not found"
< ... ),a ;reset lower screen to 2 lines
call $0d6e ...trying to read keyboardI have the speccy in interrupt mode 1 I used 'IM1' in assembly language then Im printing the contents of memoryu area 23560 to the screen: [quote] l…
... ]
ld a,#2 ;channel2
call #5633 ;open channel
ld ...Help with Assembly - DEFB, etc.Dear all, I'm going through Jnathan Cauldwell's tutorial and find myself scratching my head at part I can't find a decent explanation of anywhere! E…
... ]
ld a,2 ; upper screen
call 5633 ; open channel
ld ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... ld a,2 ; 2 = upper screen.
call 5633 ; open channel.
... />
ld, a 2 - this loads the accumulator with ... the number 2
call 5633 - ... and opens the appropriate channel (top of the screen ...Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
...
ld a,2 ; upper screen
call 5633 ; open channel
call ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... br /> call 3503 ;clear screen, open channel “S”
ld ... into IX
2$ push bc ;remember counter
djnz 2$ ;rinse and repeat
... : control number
;Col 2: vertical coord
;Col ...Random-Access to Microdrive FileI am working on a BASIC program to backup a microdrive text-file to standard tape array-file. To backup a text-file from one microdrive to a secon…
... a few byte in OPEN# Channel-area and forcing the ... b]CHA[/b] is the channel N address
[b ... br /> The following program OPEN#s the stream and prepares ... REM DPEEK(a)
2 DEF FN m(n, ... )"M" THEN PRINT INKEY$#2: REM J
... (sect/8),255-2^FN m(sect,8 ...Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... /> LD A, 2 ; Select upper screen
CALL 3503 ; Open Channel
LD ...Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... /> LD A, 2 ; Select upper screen
CALL 3503 ; Open Channel
LD ...What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... /> ld a,2 ; upper screen
call 5633 ; open channel
loop ld ...'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…
... /> [QUOTE]ld a,2 ;open...
call $1601 ;channel 2, to print in main ... area
ld b,2
ld a,2 ;open...
call $1601 ;channel 2, to print in main ...'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…
... /> [QUOTE]ld a,2 ;open...
call $1601 ;channel 2, to print in main ... area
ld b,2
Override AUTOLINE start?Hi there, Is there a poke that prevents a BASIC program from auto running, when it was previously saved with the LINE command? Cheers, Steve
...
CHAN_OPEN equ $1601 ; Open channel (A = 2, upper screen)
MAKE_ROOM equ ... /> call CLS
ld a,2 ; Open channel to upper screen
call ...Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... :
ld hl, (prog) ; a channel must be created below basic ... address
ld (hl), 'S' ; channel type; 'K', 'S', 'R' or ... down 8 pixels and open
call dwncr ; channel 2 to deal with ... nasty INK and
ld a, 2 ; PAPER ...Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... value for the K channel.
2) Call CHAN-OPEN in the ROM ...Print TextHow do i print text on the bottom left row(memory location in attribute 23295) of the screen in assembly? I understand the parts better on paper and …
... value for the K channel.
2) Call CHAN-OPEN in the ROM ...SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…
... bc
ld a,$01 ;open channel 'K'
call $1601 ; ... /> push bc
ld a,2
ld (DF_SZ),a ;reset ... lower screen to 2 lines
call $0d6e ; ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... :
ld hl, (prog) ; a channel must be created below basic ... address
ld (hl), 'S' ; channel type; 'K', 'S', 'R' or ... down 8 pixels and open
call dwncr ; channel 2 to deal with ... nasty INK and
ld a, 2 ; PAPER ...
