| Reader's Clinic - Functions and Subroutines |
| Argument passing - Subroutines and Functions - Mike Pope |
| Reader's Clinic - Functions and Subroutines |
| Reader's Letters - Jim Owen |
| Playing with Scan Codes |
| Argument passing - Subroutines and Functions - Mike Pope |
| Playing with Scan Codes |
| QTIPS - Compiling Protection Code |
| QTIPS - Invalid Code and Command |
| QTIPS - Code/Command Help |
| Compiling 64K on a Shoestring by Blaise Wrenn (LexStat Systems Ltd) |
| RTP Series - RTP50 |
| @ATTACK - @Messages |
| Advanced Revelation Initialisation Sequence (Overview) by Mike Pope |
| Caching in on the Frames Array - Mike Pope |
RevMedia FKB
| Document | V2I7A5 |
| Title | QTIPS - Video.Rw |
| Keywords | VIDEO.RW |
| Text | A discussion WITH RevTech identified the fact that VIDEO RW is actually not a subroutine but a function and returns a value reflecting the success of the last operation Thus far the following codes have been identified (where CALLING syntax is RESULT = VIDEO RW(X1 Y1 X2 Y2 ACTION IMAGE)) Code Meaning 0 OK 1 Out of memory DURING read attempt 2 Display not memory mapped (historical FROM Generic Rev days) 3 X1/X2/Y1/Y2 too small X2/Y2 too big 4 X1/Y1 too big 5 Invalid ACTION 6 IMAGE doesn't fit (too big/small) (Volume 2 Issue 7 Page 7) |
Page last modified: 08/02/03