For all Those 464 owners who are annoyed at continually being ignored by Type-Ins contributors - this is for you. It's a fairly complex program that allows the storing of up to nine short Basic programs at once. The program sets up 5 RSX's: - |init, n, add - Each program is referred to by number When first run Multi Prog is looking at &170, the regular start of Basic slot, and all of the other slots are uninitialized. This routine initializes program space at address add for program number n. Make sure programs don't overlap, and also ensure that at least 2K is left below Himem to use the disk.
- |select, n - This makes Basic look at program n. There'll be nothing there at first, so load something in the usual manner.
- |progs - Displays information about each of the 9 programs, including start and end addresses and if each of them have been initialized.
- |clear - The same as new for the currently selected program. Do not use new itself! This is very important.
- |delete, n - Clears program n and returns it to an uninitialized state. So then you can redefine it. NB you can't |delete the currently selected program, only a different one.
It might be stating the obvious, but don't use any of these commands from within a Basic program. - Program Notes : It's a fairly conventional machine code loader. At line 10 memory is reserved. Lines 20-60 read the data in and poke it into memory. Lines 70 and 80 check that you have entered the data correctly, and line 90 runs the machine code, installing Multi Prog.
AA 
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Page créée en 406 millisecondes et consultée 1953 foisL'Amstrad CPC est une machine 8 bits à base d'un Z80 à 4MHz. Le premier de la gamme fut le CPC 464 en 1984, équipé d'un lecteur de cassettes intégré il se plaçait en concurrent du Commodore C64 beaucoup plus compliqué à utiliser et plus cher. Ce fut un réel succès et sorti cette même années le CPC 664 équipé d'un lecteur de disquettes trois pouces intégré. Sa vie fut de courte durée puisqu'en 1985 il fut remplacé par le CPC 6128 qui était plus compact, plus soigné et surtout qui avait 128Ko de RAM au lieu de 64Ko. |
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