63 |
|
|
64 |
|
|
65 |
_U(utoa): |
_U(utoa): |
66 |
mov ZL, r_str_lo ; &string |
X_movw ZL, r_str_lo ; &string |
67 |
mov ZH, r_str_hi |
X_movw r_lstr_lo, ZL ; save &string |
|
mov r_lstr_lo, ZL ; save &string |
|
|
mov r_lstr_hi, ZH |
|
68 |
cpi r_radix, 2 ; no radix < 2 |
cpi r_radix, 2 ; no radix < 2 |
69 |
brlt 99f |
brlt 99f |
70 |
cpi r_radix, 37 ; no radix > 36 |
cpi r_radix, 37 ; no radix > 36 |
81 |
subi r24, 0xd9 ; + 'a' - 10 - '0' |
subi r24, 0xd9 ; + 'a' - 10 - '0' |
82 |
10: |
10: |
83 |
st Z+, r24 ; write char to string in reverse order! |
st Z+, r24 ; write char to string in reverse order! |
84 |
mov r_val_lo,r22 ; quotient -> dividend |
X_movw r_val_lo,r22 ; quotient -> dividend |
|
mov r_val_hi,r23 |
|
85 |
sbiw r_val_lo,0 ; value == 0 ? |
sbiw r_val_lo,0 ; value == 0 ? |
86 |
brne 1b |
brne 1b |
87 |
99: |
99: |
|
mov r_val_hi, r_lstr_hi ; restore &string as return value |
|
|
mov r_val_lo, r_lstr_lo |
|
88 |
st Z, __zero_reg__ ; terminate string |
st Z, __zero_reg__ ; terminate string |
89 |
|
X_movw r_val_lo, r_lstr_lo ; restore &string as return value |
90 |
XJMP _U(strrev) ; reverse string |
XJMP _U(strrev) ; reverse string |
91 |
|
|
92 |
.endfunc |
.endfunc |