Re: USRx() and adding more parameters?
William Astle via Coco <coco-uNHYcr1XS/wmlAP/[email protected]>
| Newsgroups | gmane.comp.hardware.tandy.coco |
|---|---|
| Message-ID | <[email protected]> |
On 2025-11-04 20:14, Allen Huffman via Coco wrote: > The BASIC ROM has the USR function: > > DEF USR0=&H3F00 > > A=USR0(42) > > It accepts one parameter. > > Since it jumps from BASIC into the USR assembly, couldn’t that code just parse a “,” and more numbers, allowing it to accept whatever needed to be passed in? > > A=USR0(1,2,3,4) Almost. It would have to look like: A=USR0(1),2,3,4 The closing parenthesis is already validated by the time the USR handler starts. -- William Astle -- Coco mailing list [email protected] https://pairlist5.pair.net/mailman/listinfo/coco