URL
https://opencores.org/ocsvn/forwardcom/forwardcom/trunk
[/] [forwardcom/] [examples/] [hello.as] - Blame information for rev 127
Details |
Compare with Previous |
View Log
| Line No. |
Rev |
Author |
Line |
| 1 |
127 |
Agner |
/**************************** hello.as **************************************
|
| 2 |
|
|
* Author: Agner Fog
|
| 3 |
|
|
* date created: 2018-02-23
|
| 4 |
|
|
* last modified: 2021-08-04
|
| 5 |
|
|
* Version: 1.11
|
| 6 |
|
|
* Project: ForwardCom example, assembly code
|
| 7 |
|
|
* Description: Hello world example
|
| 8 |
|
|
*
|
| 9 |
|
|
* Copyright 2018-2021 GNU General Public License http://www.gnu.org/licenses
|
| 10 |
|
|
*****************************************************************************/
|
| 11 |
|
|
|
| 12 |
|
|
extern _puts: function // library function: write string to stdout
|
| 13 |
|
|
|
| 14 |
|
|
const section read ip // read-only data section
|
| 15 |
|
|
hello: int8 "\nHello ForwardCom world!", 0 // char string with terminating zero
|
| 16 |
|
|
const end
|
| 17 |
|
|
|
| 18 |
|
|
code section execute // executable code section
|
| 19 |
|
|
|
| 20 |
|
|
_main function public // program start
|
| 21 |
|
|
|
| 22 |
|
|
// breakpoint // uncomment this if you want to wait for user to press run
|
| 23 |
|
|
|
| 24 |
|
|
int64 r0 = address([hello]) // calculate address of string
|
| 25 |
|
|
call _puts // call puts. parameter is in r0
|
| 26 |
|
|
int r0 = 0 // program return value
|
| 27 |
|
|
return // return from main
|
| 28 |
|
|
|
| 29 |
|
|
_main end
|
| 30 |
|
|
|
| 31 |
|
|
code end
|
© copyright 1999-2025
OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.