Mercurial > lcfOS
annotate user/screen.c3 @ 365:98ff43cfdd36
Nasty bug in adr instruction
| author | Windel Bouwman |
|---|---|
| date | Wed, 19 Mar 2014 22:32:04 +0100 |
| parents | 084cccaa5deb |
| children |
| rev | line source |
|---|---|
| 315 | 1 module screen; |
| 2 | |
| 3 import ipc; | |
| 4 | |
| 5 const int num_cols = 80; | |
| 6 const int num_rows = 25; | |
| 7 | |
| 8 var int* vidmem; | |
| 9 | |
| 10 function void clear() | |
| 11 { | |
| 12 var int row, col; | |
| 13 | |
| 14 for (row = 0; row < num_rows; rows++) | |
| 15 { | |
| 16 for (col = 0; col < num_cols; cols=cols+1) | |
| 17 { | |
| 18 *vidmem = 0x20; | |
| 19 } | |
| 20 } | |
| 21 } | |
| 22 | |
| 23 function void main() | |
| 24 { | |
| 25 // Initialize display | |
| 26 | |
| 27 clear(); | |
| 28 | |
| 29 while (true) | |
| 30 { | |
| 31 var ipc.Msg msg; | |
| 32 ipc.receive_message(&msg); | |
| 33 } | |
| 34 } | |
| 35 |