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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 …
... it loading characters, and calling RST 10, but nothing appears on the ... set the channel? Before using RST 0x10 - if you want to ... trying to print in the lower two lines of the screen (the ... -
Building a menu in ASMWEll as probably some figured, i am learning asm at least to make the basic menu i did in basic. It is a menu where we can select games to be loaded.…
... $16,02,4," ",$10,7,$11,1,"01",$10,0,$11,7 ... $16,03,4," ",$10,7,$11,1,"02",$10,0,$11,7 ... code i paint the alternate lines 0,2,4 that are ... print because i used the RST $10 instead because the GDUs that ... i use the other alternate lines, 1,3,5, then i ... -
Printer Printing Problem (assembler)I've a program that outputs to the lower screen at various places, using a combination of calls to RST $10 plus OUT-NUM-1 and PR-STRING. It also call…
... lower screen at various places, using a combination of calls to RST $10 ... /DRAW bits, of course) the lower screen, so the m/code ... .
I want the lower screen output to go to ... output still goes to the lower screen, and not only that ... -
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 …
... of control codes
rst $10 ; print it
... /> .msgecc ld b,$10 ; messages are always 16 ... character into A
rst $10 ; print it
inc ... loading characters, and calling RST 10, but nothing appears ... [*]or it fills the lower part of the screen ... -
SE Basic IV 4.1 Buffy previewSE Basic IV 4.0 Anya was released back in December 2012. You can read about it here: [url]http://cheveron.github.io/sebasic4/[/url] But here's some …
... (which prevents mixed-case or lower case words being tokenized).
10,000 lines of code to comment ... -
Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... RST 0x0010 jumps to 0x10. Besides existing RST 0x00, RST 0x08, RST 0x10, RST 0x18, RST ... 0x20, RST 0x28, RST 0x30, and RST 0x38 ... 0x0028 (=target of RST 0x28 call)
or RST 10 instruction you will ... -
About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... not working are the 3 lines in the first screen marked ... that it is not using RST#10 as I claimed earlier... so ... -
How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…
... /> LD A,32
LOOP RST #10
DJNZ LOOP
RET ... ) Repeat for the number of lines to clear:
2.1 ... />
; Zero out 8 screen lines of E characters at HL ... -
Probing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
... +2)[/b] to get the "RST $10" print routine to print to ... avoid words being split across lines, but now that it has ... -
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…
... /> ld b,8 ;8 horizontal lines in the character, i.e ... . You can print them using RST #10 only, because string print routine ... -
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. …
... area
;first and last lines should be #ff, and all ... ;this loop draws all the lines in the middle
push ... , it will be faster than RST #10 - it has been said to ... in your font (corners and lines) - in this case it could ... -
Printer Printing Problem (assembler)I've a program that outputs to the lower screen at various places, using a combination of calls to RST $10 plus OUT-NUM-1 and PR-STRING. It also call…
... are a number of lower screen display routines which ... AT
rst $10
xor a ;0
rst $10
ld ... a,24 ;24
rst $10
... -
Printer Printing Problem (assembler)I've a program that outputs to the lower screen at various places, using a combination of calls to RST $10 plus OUT-NUM-1 and PR-STRING. It also call…
... are a number of lower screen display routines which ... AT
rst $10
xor a ;0
rst $10
ld ... a,24 ;24
rst $10
... -
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 …
... print controls
PRCHAR: rst $10 ;print a character
lower group"
SEARCH: sub ... ;reset bit 7
rst $10 ;print a character
... set if token is in lower group
defb ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... /> [*] There are at least 10 visible border-lines above the main screen ... at least 24 visible border-lines below the main screen.[/LIST ... as follows: at least 10 scan lines for visible top border, ... , at least 24 scan lines for visible lower border, and the rest ... -
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…
... It's a lot more lines than the BASIC as well ... A =bx
rst $10
ld a," "
rst $10
pop de ... ld a,$10 ;INK
rst $10
xor a ;0
rst $10
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... [*] There are at least 10 visible border-lines above the main screen ... as follows: at least 10 scan lines for visible top border, ... at least 24 scan lines for visible lower border, and the rest ... [*] There are 15 visible border-lines above the main screen, and ...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…
... segment, which uses slightly less lines, bytes & time - ... 30 = range $30-$39
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 ... , but it is certainly not lower level than asm.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]
lower screen. I'm struggling to ... . To set upper or lower screen before RST 10h I've always ... ,2 (or 1 for the lower screen)
call 1601h[/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.…
... my routine, shorter by 12 lines and 18 bytes.
* Use ... display directly instead of using RST $10.
* Simplify the SmallINT check ...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…
... image is very bitty, some lines or characters are too thickly ... assembler I tried assembled the RST 10 instruction as RET (C9), so ... actual subroutine, one wants indented lines and one just wouldn't ...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…
... open a channel to the lower screen, you simply use a ... into A, and calling the RST $10 restart point.
I.E ... ]
LD A, charcode
RST $10
[/code]
To be ...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…
... with a garbage character or lines or garbage. im trying to ... marker
;Does NOT use RST $10
;address COL holds ...
jr c,OK
rst 8
defb 4 ;report ...SPIN AssemblerAnybody got any idea why RST 10 doesn't work in SPIN's assembler?? Perhaps I'm putting the command in the wrong format. Cheers
Anybody got any idea why RST 10 doesn't work in SPIN's assembler??
Perhaps I'm putting the command in the wrong format.
CheersMonitor/debugger that doesn't use the Speccy ROM?Was there ever a Spectrum monitor/debugger released that didn't use the ROM, for key input and character output routines? The reason I ask is that i…
... appear to use the standard RST 10 for character output, but maybe ...Fun accountancy question of the week!!!Just for the fun of it, I thought I'd share my latest tax problem with all my spec-chums on World of Sinclair. Read this and be thankful you aren't …
... ?
Starting rate: 1 - 2150 10%
Basic rate: 2151 - 33300 ... Starting rate: 1 - 2150 10%
Lower rate: 2151 - 33300 20 ... that falls in the lower rate band. This forms ...Disassemblers and RSTsI think this is a longshot, but... is anybody aware of a disassembler that handles the Interface One RSTs? e.g. RST $10 DEFW $0020. Cheers
I think this is a longshot, but... is anybody aware of a disassembler that handles the Interface One RSTs? e.g. RST $10 DEFW $0020.
CheersProbing the variables in 128K modeHello again! Briefly, I'm writing an m/c routine to read some BASIC variables. So, before I start, I try to get an idea for the structure of how var…
... A,13
RST $10
LD A,32
RST $10
LD ... /> BRACKETS
RST $10
LD A,40
RST $10
LD A ... ARRAY
SUB 64
RST $10
NEXTCHAR
INC ... br /> JR NZ,LASTCHAR
RST $10
JR NEXTCHAR
...
