1. No category

Maskinorienterad programmering
a)
typedef
void (*simplefunc)(void);
/* obs Thumb-bit i adressbit 0 */
#define
portinit ((simplefunc) 0x08000201 )
void xxx( void )
{
...
portinit();
...
}
b)
...
LDR
R0,=0x8000201
BLX
R0
LDR
LDR
LDR
LDR
BL
@ obs Thumb-bit i A0...
R0,a
R1,b
R2,c
R3,d
sub
int
sub:
adds
bx
long long
sub:
adds
asr
bx
Assemblerprogrammering - fördjupning - tavlan
r0,r0,#1
lr
r0, r0, #1
r1, r0, #31
lr
1