24 lines
397 B
ArmAsm
24 lines
397 B
ArmAsm
|
.define lar
|
||
|
|
|
||
|
|
!R1 contains description address
|
||
|
|
!R3 contains element number
|
||
|
|
!base address is on stack
|
||
|
|
lar:
|
||
|
|
popl saveret, *RR14
|
||
|
|
sub R3, 0(R1)
|
||
|
|
ld R0, 4(R1) !nr of bytes per element
|
||
|
|
mult RR2, R0
|
||
|
|
add R3, *RR14
|
||
|
|
add R3, R0
|
||
|
|
sra R0 !nr of words per element
|
||
|
|
jr EQ, 1f
|
||
|
|
dec R3, $2
|
||
|
|
lddr *RR14, *RR2, R0
|
||
|
|
inc R15, $2
|
||
|
|
jr 2f
|
||
|
|
1: ldb RL2, -1(R3)
|
||
|
|
ldb RH2, $0
|
||
|
|
ld *RR14, R2
|
||
|
|
2: ldl RR2, saveret
|
||
|
|
jp *RR2
|