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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…
... ; upper screen
call 5633 ; open channel
loop ld de,string ... ; length of string to print
call 8252 ; print our string
for Spectrum machine code development? What ... -
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. …
... must be of course defined. For example if we made some ... easy now for me..
ld a,2 ;open channel 2...
call $1601 ;to print in the screen ... -
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…
... #5633 ;open channel
ld a,#22 ; ASCII control code for AT ... .
rst #16 ; print it.
ld ... ; vertical position.
rst #16 ; print it.
ld a,#10 ... -
MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... this routine to print large on the screen ... get it to loop for some reason in MC, ... push bc
call print ;call print routine
pop bc ... /> print ld a,3 ;channel 3 printer
call 5633 ;open channel
call 8252 ;print
ret
... -
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…
... ; upper screen
call 5633 ; open channel
ld de,string ; address ... ; length of string to print
call 8252 ; print our string
Any help for this noob?
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…
... upper screen.
call 5633 ; open channel.
ld a,21 ; ... ASCII control code for AT.
rst 16 ; print it.
... vertical position.
rst 16 ; print it.
ld a,(ycoord ...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 …
...
call 5633 ; open channel
call 8252 ; print our string
ret ... ; ASCII control code for AT.
rst 16 ; print it.
ld ...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…
... Most importantly, it checks for duplicate/already defined keys ... /> call 3503 ;clear screen, open channel “S”
... string
call 8252 ;print string
... /> dummy_key defb $ff ;necessary for CPIR
;any value greater ...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…
... mdr file to hold room for the maximum of 254 sectors ... few byte in OPEN# Channel-area and forcing the re-PRINT# of the ... some variables, then loops for each of the 254 records ... (cha+41)
1120 FOR m=map TO map+31 ...
1330 RESTORE 1310: FOR a=udg TO udg+8 ...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 …
... , 2 ; Open channel 2.
call open_channel
ld de, string ; Print the ... attribute.
ld b, 5 ; For 5 attributes.
nextch: 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…
... for Speccie MC
Like
How do you print ... screen
CALL 3503 ; Open Channel
LD A, 22 ; ... RST 16 ; Call the print routine
LD A, ... RST 16 ; Call the print routine
LD A, ...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…
[quote=Matt_B;355278]For printing characters, the ... screen
CALL 3503 ; Open Channel
LD A, 22 ; ... /> RST 16 ; Call the print routine[/code]
... recommend Spectrum Machine Language For The Absolute Beginner by ...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…
... been meaning to do it for over 25 years, but.. better ... ; upper screen
call 5633 ; open channel
loop ld de,string ... ; length of string to print
call 8252 ; print our string
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…
... br /> ld a,2 ; Open channel 2 (screen)
call ... !)
call PR_STRING ; Call text print
ret
for splitting sourcecode across several ... ). There are also alternative versions for 'DEFB', 'DEFW' and ' ...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 ... scf ; Signal loading (clear for verify)
call LD_BYTES ; ... identifier
cp $00 ; for type 'Program'
jr ... PRINTN ; Print all 10 characters
; Set up for BASIC ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... driver enables you to print any character in the ... 20 PRINT #4; AT 0,0;
30 FOR i= ... 26 to 255
40 PRINT #4; ... ld (atflg), a ; positions for the print.
ret ;
open channel 2 to
call ...Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... thanks to Battle Bunny for locating the areas that ... pixels
;and open channel 2 to deal with nasty ... between 32 and 127 then print a question
... the correct number of pixels for the character
... ;Reserve a bit of space for some variables.
XPOS: ...RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... a, 0x04
call 0x1601 ; open channel #4
...
ld hl ... /> ret z
rst 0x10 ; print A
inc hl
[CODE]
FOR f=32 TO 255: PRINT #4;CHR$ f ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... $1601 ; open channel #4
ld a, 'Z'
rst $10 ; print letter ... ; open channel #4
ld hl, STRING
LOOP: ld a, (hl) ; for ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... ; open channel #4
ld hl, STRING
LOOP: ld a, (hl) ; for ... string terminator
rst $10 ; print character
inc hl
Does opening channel 4 affect anything else in ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... pointer
rst print_a ; print it
jr pr_string ; ... a, 1 ; channel 'K'
call chan_open ; open channel
scf ; prepare for subtraction
sbc hl ... rlca ; clear bit 2 for inverse 0
rlca ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... 0
call chan_open ; open channel 'K'
call tokenizer ... call out_num_1 ; print it
ld a, ':' ; print
...
inc bc ; for number
inc bc ... curchl), hl ; base address for channel to curchl
inc ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... call nz, chan_open ; open channel if not
rst ... pointers
rst print_a ; print character
jr out_line4 ; ... /> rla ; clear carry for long name variables
... /> call numeric ; test for digit
call e_l_0 ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... 0 to 96 for tokens, 0 for messages
rst print_a ; print one character
... br /> call chan_open ; open channel 'K'
ld ...How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... (19 on a 128K) and PRINT in 1 string.
for some reason seems to need ... a,2
call 5633 ;open channel to screen (top 22 lines ...How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... a,2
call 5633 ;open channel to screen (top 22 lines ... ][/B] ; length of string to print **
call 8252 ;PRINTs ... what the CP 22 was for - are you trying to see ...How to print logo onto screen at chosen coordinates?Hi, I've just got back into zx spectrum games after all these years and after seeing some of the great games on here I would like to start learning p…
... a,2
call 5633 ;open channel to screen (top 22 lines ... ][/B] ; length of string to print **
call 8252 ;PRINTs ... /> Don't use DEFW for strings that's for DEFine Word, use ... />
Also don't use ' for strings, use "
Other ...Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... />
Can the rom calls for printing text be modified to ... a,2
call 5633 ; open channel to screen (top 22 lines ... need your own procedure to print on virtual screen
... ://www.dropbox.com/s/ygfizwa0qgidqjc/print.a80"]https://www.dropbox.com ...
