URL
https://opencores.org/ocsvn/forwardcom/forwardcom/trunk
Subversion Repositories forwardcom
Compare Revisions
- This comparison shows the changes necessary to convert path
/forwardcom
- from Rev 106 to Rev 107
- ↔ Reverse comparison
Rev 106 → Rev 107
/libraries/puts_light.as
0,0 → 1,34
/********************************* puts_light.as ***************************** |
* Author: Agner Fog |
* date created: 2021-05-16 |
* Last modified: 2021-05-16 |
* Version: 1.11 |
* Project: ForwardCom library libc_light.li |
* Description: puts: print a string to stdout, append linefeed |
* This version is for CPUs with limited capabilities |
* C declaration: int puts (const char * str); |
* |
* Copyright 2021 GNU General Public License http://www.gnu.org/licenses |
******************************************************************************/ |
|
code section execute align = 4 // code section |
|
// Print a string to stdout, append \n |
_puts function public reguse=3,0 |
if (int64 r0 != 0) { // check for null pointer |
while (true) { // loop through string |
int8 r1 = [r0] // read character |
if (int8 r1 == 0) {break} // end of string |
int8 output(r1, r1, 10); // output character |
int64 r0++ // next character |
} |
int8 r1 = '\n' // write newline |
int8 output(r1, r1, 10); |
int r0 = 0 // indicate success |
return |
} |
int r0 = -1 // indicate error |
return |
_puts end |
|
code end |