Search found 149 matches

by marste
Wed Aug 20, 2014 9:31 pm
Forum: Development
Topic: INPUT A$ in assembly
Replies: 10
Views: 2466

Re: INPUT A$ in assembly

Regarding this new variant seems to work too //...// (and I have the same curiosity on how is possible to return back to the same place after a jump! :)) I tried to change the last instruction instead of "jp endofprogram" to "jp startofprogram" but seems it is not working (the program ends anyway w...
by marste
Wed Aug 20, 2014 9:13 pm
Forum: Development
Topic: INPUT A$ in assembly
Replies: 10
Views: 2466

Re: INPUT A$ in assembly

You're right! And this seems to work too and is two bytes shorter. It just interprets "INPUT A$". Regarding this new variant seems to work too!! :D :D I had to "rewrite a bit for TASM to work: startofprogram: .org 4082h ld hl,instructiontextinputadollar ld (4016h),hl ; CH_ADD jp 0CDEh ; LINE-NULL ?...
by marste
Wed Aug 20, 2014 8:31 pm
Forum: Development
Topic: INPUT A$ in assembly
Replies: 10
Views: 2466

Re: INPUT A$ in assembly

In the code in the attachment ... It works! :D Before seen your last answer I tried to disassemble myself and seems I did despite 25+ years of not using Z80 code anymore! (btw never used it on ZX81) rem content to run: 33 21 LD HL,408E ; 16526 -> A$ ADDRESS OF THE PRINT STATEMENT 142 8E 64 40 34 22...
by marste
Tue Aug 19, 2014 8:01 pm
Forum: Development
Topic: INPUT A$ in assembly
Replies: 10
Views: 2466

INPUT A$ in assembly

I need to read in assembly ZX81 a little string as user input. I've seen various routines that allow to read it 1 character at a time. I was wondering if there is a possibility to call the standard basic subroutine that perform the instruction "INPUT A$". It will have various advantages: 1. should b...
by marste
Sat Aug 16, 2014 3:34 pm
Forum: Development
Topic: ZX81-IDE Software Development Tool, IDE
Replies: 44
Views: 33573

Re: ZX81-IDE Software Development Tool, IDE

Happy to test! :)
by marste
Tue Aug 12, 2014 5:11 pm
Forum: Development
Topic: ZX81-IDE Software Development Tool, IDE
Replies: 44
Views: 33573

Re: ZX81-IDE Software Development Tool, IDE

PS:

Tryed F8 with an old Windows XP computer and everything run fine! :)
(should I rob my daughter of her computer? ;))
by marste
Tue Aug 12, 2014 5:07 pm
Forum: Development
Topic: ZX81-IDE Software Development Tool, IDE
Replies: 44
Views: 33573

Re: ZX81-IDE Software Development Tool, IDE

"Run as administrator" infact change something: now the program simply terminate without visible error
by marste
Tue Aug 12, 2014 4:02 pm
Forum: Development
Topic: ZX81-IDE Software Development Tool, IDE
Replies: 44
Views: 33573

Re: ZX81-IDE Software Development Tool, IDE

> Hmm - what operating system do you have ?
Windows 7 Enterprise SP1


> CTRL-F8 and CTRL-F9 do work normal ?
Ctrl-F9 yes, compile
Ctrl-F8 same fatal error!...
by marste
Mon Aug 11, 2014 1:10 am
Forum: Development
Topic: ZX-IDE Tutorial for programming assembler and ZX BASIC
Replies: 83
Views: 63948

Re: ZX-IDE Tutorial for programming assembler and ZX BASIC

When I try to run (F8) I get an error from the IDE (than close immediately after):
"The instruction at 0x00427c85 referenced memory at 0x00427c85. The memory could not be written."

Image

Same error if I try "transfer file"...