- OWINIT save Register used in C

[owSlave2.git] / common / OWRomFunctions.s

diff --git a/common/OWRomFunctions.s b/common/OWRomFunctions.s
index 9887940..e889416 100644 (file)
--- a/common/OWRomFunctions.s
+++ b/common/OWRomFunctions.s
@@ -102,6 +102,8 @@
 #ifdef _CHANGEABLE_ID_
 ; lesen der ID aus dem EEPROM beim Start
 read_EEPROM_ID:  
+       push r_bytep
+       push r_rwbyte//r_temp2 and Z is not in gnu C save area
        ldi r_temp2,lo8(E2END)
        ldi zh,hi8(E2END)
        subi r_temp2,7
@@ -123,6 +125,8 @@ read_EEPROM_ID_loop:
        cpi r_bytep,8
        brne read_EEPROM_ID_loop
 read_EEPROM_ID_end:
+       pop r_rwbyte
+       pop r_bytep
        ret
 #endif
 
@@ -437,7 +441,7 @@ OWINIT:
 #ifndef _DIS_FLASH_
 ; check for bootloader jumper
        ;vor allen anderen Registerconfigs
-       
+       push r_temp
        ldi r_temp,(1<<PUD) ;enable pullup 
        out _SFR_IO_ADDR(MCUCR) ,r_temp
        sbi _SFR_IO_ADDR(PORTA),PINA5 ;internal pullup on PINA5
@@ -470,6 +474,7 @@ owinit_botest_end:
        sts bcount,r_temp
        sts alarmflag,r_temp
        RESETZEROMARKER
+       pop r_temp
        ret