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'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…
... A,16
RST #10
LD A,n
RST #10 ; Select INK ... :
[code]text: DEFB 16,1
DEFM "Blue in"
10 ; AT 16,10
DEFM "Hello World ... !" on line 16 at column 10. -
How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…
... data, so exit loop
rst $10 ;print current character
inc ... for stripes
defb $13,$1,$10,$2,$11,$0,$90,$11 ... ,$6
defb $91,$10,$4,$11,$6,$90,$11 ... ,$5,$91
defb $10,$0,$90,$8F
defb ... -
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. …
... paint in white and brigh 1 color the into squared zone ... for the attributes and use RST $10 to print stuff. As you ... -
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. …
... compare the speed with the RST $10 way to print.
1 pixel ?
[code]ld ... -
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. …
... compare the speed with the RST $10 way to print.[/quote]
RST 10 print or custom print?
1 pixel ?[/quote]
Vertical or ... -
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. …
... expand horinzontally and vertically, just 1 pixel.
And related ... compare teh speed with the RST $10 method. -
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. …
... /> [code] ld h,10 ;y
ld l,10 ;x
ld ... there should be height*8-1 lines
dec c ;width ... -1
middle ;this loop ... , it will be faster than RST #10 - it has been said to ... -
Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... />
[B]CHAPTER 1[/B]
1.1 GETTING STARTED
10 RST PF0 PF1 SPR PF2
11 RST PF0 PF1 ... .
10 ~ 14 1 5 BIT Red componant.
15 1 1 BIT Alpha ... .
10 ~ 14 1 5 BIT Red componant.
15 1 1 BIT Alpha ... -
Bell sound with PLAY command?Hi Folks, I am no musician so I was hoping someone could give me a PLAY command that would sound like a bell on the Spectrum. A bell that sounds li…
... />
00 Channel A fine pitch 8-bit ... , see below)
10 Channel C volume 4-bit (0 ... 5 4 3 2 1 0
_ ... of each channel. Registers 8, 9 and 10 define ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... possibility of calling bios via RST 10, memory management and core ... /> ;; ------------------------------------------------------------
_kbd_scan: ld l,1
ld bc,0xfefe ; first ... keyboard buffer
_kbd_prev: .skip 1 ; last key code
... -
Frank N SteinThis one > [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0001849[/url] Always seems to crash about level 7 (maybe a bit more) or so with an …
...
LD A,21
RST $10
LD HL,colour
LD A,L
RST $10
CALL 7341 ($1CAD)
channel back to #2 and exits ... -
AY Magic version for ZX81 was bornModified Ay magic ,my previous interface for zx48. On board, ay chip based on Zonx interface but with stereo output and rampack 16 or 32 kilo on boa…
... + 1, #04 + 1, #08 + 1, #0a + 1, #0c + 1, #0e + 1
defb #12 + 1, #14 + 1, #18 + 1 ... /> defb #0ef8 - #0e10
; channel data offsets
chp_psinor ... equ 9 ; byte 1
ar_amplc equ 10 ; byte 1
ar_env equ ... -
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…
... simply open channel [B]#4[/B] and use [B]RST 10[/B] as ... usual:
[CODE]
call 64861 ; create channel
call 0x1601 ; open channel #4
...
ld hl ... -
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... /> 20 ld a,'*'
30 rst #10
40 ret
[/code ... auto line numbering, press CAPS+1 to clear the line and ... -
Keep On Beeping - new screencast on beeper musicHi everybody, I've decided to make a video show about 1 bit music. The first episode talks about the famous Wham! The Music Box. It probably won't …
... Music Studio drums on channel 2 in [url=http ... allow for more than 1 channel of percussion). It's ... manually replace notes in channel 1 with drums in the assembly ... (in decimal) are:-
Drum 1 = 30
Drum 2 ... Drum 9 = 19
Drum 10 = 18
Drum 11 = ... -
Procrustean PrintingHere's a short routine to manage printing of text with command tokens, to avoid messing up the screen when they are expanded. It just prints as many …
... inc c ;C =string length + 1
ld b,a ;B ... jr nz,CBOUND
set 1,(ix+0) ;flag "excluded"
rst $10 ;print a character
pop ... -
INPUT LINE and STOP in INPUTWhat was the reason for the ROM Editor routine causing "down arrow" while in an INPUT LINE to cause the "H STOP in INPUT" error report? Why doesn't i…
... you enter
10 OPEN #1, "p"
20 INPUT "What ... /> ;;; LD A,$01 ; select stream 1 normally channel 'K' for input
LD A,$01 ;+ select stream 1 normally channel 'K'
CALL L1601 ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... is reached
;
rst $10
inc ix ;next ASCII ... know you will always print 1 char!) and then your ... get ascii
print_string:
rst $10
inc ix ;next ASCII ... -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... had considered creating a PLAY channel instead, but because up to ... sequence (one for each MIDI channel) you'd need 8 streams ...
ld a,(de)
rst $10
inc de
dec ... -
PRINT a numerical value i.e. the scoreHow do you fo about printing a numerical value using the print routine in the ROM? For instance I have a value 0-255 and want to PRINT the result at…
... lines channel
call 5633
ld a,22
rst 16 ... ,22
rst 16
ld a,1
rst 16
ld ... a,19
rst 16
ld a,1
rst 16 ; bright ... -
I am currently watching.....This stems from a rant Mel did months ago on the currently listening to thread, and he suggested starting a thread like this to somebody (sorry can't…
red dwarf series 10 episode 1 on dave channel online -
I am currently watching.....This stems from a rant Mel did months ago on the currently listening to thread, and he suggested starting a thread like this to somebody (sorry can't…
[QUOTE=mel the bell;656791]red dwarf series 10 episode 1 on dave channel online[/QUOTE]
Funnier than I thought it would be, but not as funny as i'd hoped...
Cheers, final episode... -
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... indeed be quicker than calling RST $10 four times to do PRINT ... quicker than POKE p(r+1,c+1),a {33510 T, or ... LET rc1=r*32+c+1 {24510 T} would make it ... -
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... indeed be quicker than calling RST $10 four times to do PRINT ... quicker than POKE p(r+1,c+1),a {33510 T, or ... r+1,c+1;" "[/B] vs. [B]POKE p(r+1,c+1),a ... -
Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
RST $10 outputs to the current channel, so if nothing's been ... -
Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... /> [QUOTE=Battle Bunny;665943]RST $10 uses EXX to reference the ... a,$02 ; select upper screen channel ...
call $1601 ; ... of control codes
rst $10 ; otherwise print control character< ... load character into A
rst $10 ; print it
inc ... -
Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
...
JR NZ,PRSTREXIT
RST $10
INC HL
JR ... ; %01111111 Clear Bit 7
RST $10
RET[/CODE]
10,6
defm " PLEASE WAIT ... defb $16,19,8,$11,1,$10,7
defm " PRESS FIRE ... -
Memory diagnostic toolIs there any sort of memory diagnostic tool for examining .Z80 files so I can easily identify large areas of blank memory? Scrolling through ZX Spin…
... br /> inc b ;B =y+1
call $22e5 ;PLOT_SUB: PLOT ... x,y+1
ld a,(23678) ; ... /> xor a
rst $10
xor a
rst $10
ret
