Sinclair ZX80 / ZX81 / Z88 Forums

Very interesting! I am just ready with sound commands. Data file access is planned. Have no idea how Joystick interface could look like. Sound commands are like this: BEEP time,pitch (compatible to the Spectrum) PING pitch WAIT time And to switch between pitch in Hetz, C0 or MIDI: PITCHF PITCHC PITC...

As the handbook tells:
16427 OLDPPC Line number of which CONT jumps.

POKE 16427 line number lowbyte and
POKE 16428 line number high byte

then you can use CONT

Hi KB
I talked a lot to SirMorris in the last days. And we found a nice solution. In the next days there will come a version of **Basic that runs on ZXpand.
Need some testing now. And I dont have a real ZXpand. On EO it seems to be working now.
Matthias

Hi Martin, some times ago I made a Basic program that can add Basic-lines at its end. It uses only PEEK and POKE and a tricky hack to make space. genline.p I am still looking to find a way for deleting lines... If there is a solution, then someone could make a Basic-program that ist able to replicat...

Hi Bill, in my Brainf*ck interpreter I used the following to call the machine-code in a subsequent REM statement anywhere in the basic-listing: 1000 PRINT USR (5+PEEK 16425+256*PEEK 16426) 1001 REM mc-code in here... As discussed before the machine-code in there has to be relocatable. I implemented ...

Hi all,
I tried the free downloads... does not run on my Eightyone. Am I doing something wrong?
I only get the menue screen. Can not select anything then.
Matthias

Hi,
what about this? VAL STR$ VAL STR$ VAL "2"
Matthias

Hi folks,

for all who would like to peek into the source of my Basic extensions.
All files are now on my site http://www.swatosch.de/zx81 with complete sources including the assembler some demos and documentation in German and English.

Comments, improvements and modifications are welcome.
Matthias

Hi gozzo, cant find any errors... do you? It is stable with FAST, SLOW, NEW, SAVE, LOAD, SCROLL, entering or deleting lines... now I have 3 Versions ready: for memory between 8k-16k nobreak-8k.p normal version for 16k RAM shifts itself over RAMTOP nobreak-16k.p if you have memory with M1NOT above 32...