A fast and easily customised operating system
for ARM devices
OS_Word 21_0 Block
Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_Word
» OS_Word 21
» OS_Word 21,0
» Block
Block
| Offset | Contents |
|---|---|
| +0 | 0 (reason code) |
| +1 | 1 – 4 (shape number) |
| +2 | 0 – 8 (w – width in bytes |
| +3 | 0 – 32 (h – height in pixels) |
| +4 | 0 – (w * 4 - 1) (x active point in pixels from left) |
| +5 | 0 – (h – 1) (y active point in pixels from top) |
| +6 | LSB of pointer to shape data |
| +7 | … |
| +8 | … |
| +9 | MSB of pointer |