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Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... = range $30-$39
rst $10 ;A =????
inc bc ... ;print single zero
rst $10
inc bc ;indicate ... nibble in A
rst $10 ;print right side digit ... -
Converting an integer arbitrary large binary number into a printable decimal formThis was asked a long ago at the comp.sys.sinclair newsgroup. At that time, I came up with a solution by extrapolating the classic algorithm of suces…
... ld a,e
rst $10 ;print a single zero
rst $10 ;A =????
inc bc ... range $30-$39
BCD2AR2:rst $10 ;A =????
inc bc ... -
Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... string
ld hl,10
add hl,sp
push hl
rst $10 ; forgive me, I'm a ... -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... how ROM printing routine (RST 16 or RST $10) works, due to the ... -
Simple text scrolling routine...I'm having trouble writing a very simple text scroller, the idea is to use the ROM printer routine to print 32 characters each time the routine is ca…
... /> Loop: ld a,(de)
rst $10 ;print next character
inc ... -
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…
You should prefix the restart as being hex, either
[CODE]rst 0x10[/CODE]
or
[CODE]rst $10[/CODE]
will work -
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…
Thanks very much.
That fixed one of the problems, but I still have invalid use of opcode and operands.
[code]org 60000
ld (tvflag),00
LOOP:
ld A,"*"
rst $10
jr LOOP[/code] -
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…
Thanks both of you. Sadly it still errors:
TVFLAG equ $5C3C
org 60000
ld (TVFLAG),00
LOOP:
ld A,"*"
rst $10
jr LOOP -
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[/QUOTE]
RST 10h I've always done ... -
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
[/CODE ... -
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
[/CODE ... -
Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…
... display directly instead of using RST $10.
* Simplify the SmallINT check ... -
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. …
You don't need the RST $10.
HL contains the screen ... .
As you state, The RST $10 is probably not overwriting the ... -
Machine Code for Beginners - error?Dear all, I've picked rather old book called Machine Code for Beginners by Usborne.1983 There's an example inside which claims to print a messa…
Missing a RST #10 as well as preserving HL & DE. After LD A,(DE) Should be...
[code]
PUSH DE
PUSH HL
RST 10H
POP HL
POP DE
[/code] -
Machine Code for Beginners - error?Dear all, I've picked rather old book called Machine Code for Beginners by Usborne.1983 There's an example inside which claims to print a messa…
[quote="karingal;848699"]Missing a RST #10 as well as preserving HL & ... DE
PUSH HL
RST 10H
POP HL
Machine Code for Beginners - error?Dear all, I've picked rather old book called Machine Code for Beginners by Usborne.1983 There's an example inside which claims to print a messa…
[quote="karingal;848699"]Missing a RST #10 as well as preserving HL & ... DE
PUSH HL
RST 10H
POP HL
[/quote]
IIRC, [b]RST $10[/b] already preserves HL, DE ...Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... were single characters printed via RST $10 (as jonathan's guide uses ... PRINT AT handling for the RST $10 calls dealt with printing each ... to the use of the RST $10 call, ie we set the ...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…
... assembler I tried assembled the RST 10 instruction as RET (C9), so ...how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... into A, and calling the RST $10 restart point.
I.E ... ]
LD A, charcode
RST $10
[/code]
To be ...how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... :
LD A,(HL)
RST $10
BIT 7,(HL)
RET Z
RST $10
INC HL
JR ...ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
...
Ld a,(hl)
Rst #10
Inc hl
Jr ... />
Text:
Defb 22,10,10,18,1,16,4,17 ...ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
...
Ret z
Rst #10
Inc hl
... br /> Text:
Defb 22,10,10,18,1,16,4,17 ... ,(hl)
Loop:
Rst #10
Inc hl
... br /> ...
Loop:
Rst #10
Inc hl
Start ...z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
...
jr z,Exit4
rst $10
inc bc
inc ...
jr z,Exit7
rst $10
inc bc
inc ...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 is ...Isometric enginesWhilst taking a breather from Chess development I've been playing around with a little isometric 'room' building idea. Just wondering what sort of…
... speed is not my priority, RST $10 or CALL $203c is fine ...Isometric enginesWhilst taking a breather from Chess development I've been playing around with a little isometric 'room' building idea. Just wondering what sort of…
... speed is not my priority, RST $10 or CALL $203c is fine ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... marker
;Does NOT use RST $10
;address COL holds ...
jr c,OK
rst 8
defb 4 ;report ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... marker
;Does NOT use RST $10
;address COL holds ...
jr c,OK
rst 8
defb 4 ;report ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
... marker
;Does NOT use RST $10
;address COL holds ...
jr c,OK
rst 8
defb 4 ;report ...
