ruud.baltissen_at_apg.nl
Date: 2008-09-04 08:50:16
Hallo allemaal,
Everyone who reacted, many thanks!
Hallo Anders,
> I tried this program in x64 and got it to work after a while:
This is a dump of the VICE-C64 screen and as you can see it works
load"mwr2",8
searching for mwr2
loading
ready.
list
100 open1,8,15
200 for i=0 to 15 : print i;
210 print#1,"m-w" chr$(i) chr$(5) chr$(1
) chr$(i) : next
240 print : print
400 for i=0 to 15
410 print#1,"m-r" chr$(i) chr$(5)
420 get#1,a$ : if a$="" then a$=chr$(0)
430 print asc(a$);" "; : next
ready.
run
0 1 2 3 4 5 6 7 8 9 10 11 1
2 13 14 15
0 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15
ready.
Line 210 is based on a PRG I wrote a year ago to test my harddisk
project under 1541 and, as I found out this morning, is almost the same
as your line 20.
> 20 PRINT#1,"M-W"CHR$(I)CHR$(5)CHR$(1)CHR$(I):NEXT
As you can see, your line is only lacking some spaces.
Running the same program on a PET:
*** commodore basic 4.0 ***
31743 bytes free
ready.
load"mwr2",8
searching for mwr2
loading
ready.
list
100 open1,8,15
200 for i=0 to 15 : print i;
210 print#1,"m-w" chr$(i) chr$(18) chr$(1) chr$(i) : next
240 print : print 400 for i=0 to 15
410 print#1,"m-r" chr$(i) chr$(18)
420 get#1,a$ : if a$="" then a$=chr$(0)
430 print asc(a$);" "; : next
ready.
run
0 1
Just the 0 and the 1 again :(
> but I assume you got the number correct,
I'm 100% sure :)
In fact I already found a work-around: I'm using the #1 command to
allocated Buffer 1 and then I write the data to this buffer instead of
poking it directly into the memory.
Hallo Ray,
> There is a colon in your quotes with m-w statement
The above proves that that could be the problem indeed. But a) using the
colon is mentioned in various user manuals for various drives and b) I
remember having used the colon in the past as well, because not using
this command very often, I simply copied lines like these directly from
the book.
Hallo William,
> You also need a semicolon at the end of the PRINT# statement,
> otherwise you will be sending a RETURN character at the end
> of each print statement.
This is mentioned indeed in one of the manuals for the 4040-drive. But
the same manual mentions the method without semicolons as well. Anyway,
I tried it placing one or more semicolons in the line but every time the
same result: just a 0 ad a 1.
--
___
/ __|__
/ / |_/ Groetjes, Ruud
\ \__|_\
\___| URL: Ruud.C64.org
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