... than the odd Print, Beep, Plot and Tape routine.

But ...

... a small (56 byte) routine that will print the 'ZX Stripes' at ... the current print position, without permanently affecting the ... exit loop
rst $10 ;print current character
inc hl ...

... set.[/quote]

Now, PRINT PEEK 23606 gives 0, and ... PRINT PEEK 23607 gives 60.
< ... .)

[CODE]; A routine to print a text string to screen ...

UDG char codes are #90..#a2. You can print them using RST #10 only, because string print routine in the ROM uses bit 7 as end of string code, thus not allowing to print chars with codes >#7f.

... RST #10 only, because string print routine in the ROM uses bit ... code, thus not allowing to print chars with codes >#7f ...

... /> rst 16 do the actual print
inc hl point to ... /> jr nz,loop if not print next
ret ready, back ... write a null-terminated string print routine :)

[QUOTE=Winston;448233]

It's amazing how many ways there are to write a null-terminated string print routine :)

[/QUOTE]

[code]
xor a
or (hl)
ret z
rst 16
[/code]

... other version ? the one that print characters.

Is it ... the same with some rom routine that use less code ?

So them the 'plot' rom routine is affected by the same, we cant use it in the down screen lines ?

shiru, can you show the other version ? the one that print characters.

... of the screen. You can print characters to the bottom rows ... 'other' version? You want a routine which does the same as ...

... are non consecutive, I'll print the source code on paper ... could give you the actual routine addresses, but I don't ...

... are the reason why the routine is character-aligned.
< ...
ret

;DOWN_HL+ routine by Spencer Winsent
;this ... routine returns address of the next ... I'll make a routine with custom print, it will be faster ...

... ) I had difficulties getting your assembly to work in most of ... ] with the sources ready for assembly with pasmo (pasmo --tapbas player ... is:
[CODE]; *** Interrupt Service Routine (dummy) ****************************************
ORG &8181 ...

... the difference between MC and Assembly Language (mnemonics).[/QUOTE]

Take the simplest assembly language program you can think ... like the standard screen dumping routine:
[CODE]ld hl, source ...

... to be a general PRINT routine, not a Sprite routine, which should take ... put in a 64 column print routine soon, and we have a ... for a general purpose sprite routine. What would your recommendation for ... . Obviously a good sprite routine needs to be pixel based ...

... my first shot with the routine failed spectacularly. It drew data ... /> ret
;don't print character if > 191 - off ... screen - restore AF and exit Print routine
;[this can be ... /> ;
;P_AT is a subroutine routine to convert pixel values into ...

... ]
CLS
PRINT at 10,10;"Routine 1 (Big K)"
NEXT y
print (t()-time)/CAST(float,50 ... />
CLS
PRINT at 10,10;"Routine 2 (Turkwel)"
time ... x
NEXT y
print (t()-time)/CAST(float,50 ...

... use.

;; BEEPER assembly listing... June 17th/2010 By ... br /> RET nz ; EXIT routine if key is pressed
routine...
; Duration will ... onto Calc Stack via Rom routine: Duraton (B)
...

... and modify the next-pattern routine manually to select a random ... does involve a bit of assembly programming, but hopefully the commented ...

... assembly, then it works fine... Im curious though... in the PLAYER routine ... called with its label... The assembly ends with something like this ... why can't the initialization routine say something like:

... 4B: thye ROM memory check routine gave me 49152 bytes OK ... . Then POKE 49152,200 . Then, PRINT PEEK 32768 . If you get ... 100 then try PRINT PEEK 49152 . If you get ... jumper. But if the first PRINT PEEK gives you 200, then ...

... error trap routine so that I could retry the print action from ... I can get it to print to the printer is by ... the program after selecting the print parameters and typing GOSUB 1719 ... I can only get LPRINT / PRINT #3 to work intermittently, and ...

... call in the interrupt routine of Beepola's assembly output (PUSH POP ...

... .
* The AGES-2 update routine unaccountably extracted all the entry ... /> * I added an option to print a Referenced Locations list after ...

... way that allows you to print and recopy it (ie: what ... they opt for BASIC over assembly?!?!?

... code by trapping the error routine. If you just want to ... all of the routines with assembly code.

... RANDOMISE USR 64002
50 PRINT PEEK 64000
60 STOP ... you want to make the routine easier to call from BASIC ... ,Y) = USR start_address
20 PRINT FN A(10,20)

... 1/16th of the routine there and are missing ... the last bit of the routine.

You ... identical code in your assembly listing (or use a ... memory tradeoff - an unrolled routine runs faster at the ... br />
; divide routine starts here, with the body ...