47 lines
499 B
ArmAsm
47 lines
499 B
ArmAsm
.define .sti
|
|
|
|
! Store indirect
|
|
! Expects on stack: number of bytes to be stored
|
|
! bytes to be stored
|
|
|
|
.sti: pop h
|
|
shld .retadr
|
|
mov l,c
|
|
mov h,b
|
|
shld .bcreg ! save bc
|
|
|
|
pop h
|
|
xra a
|
|
mov a,d
|
|
rar
|
|
mov d,a
|
|
mov a,e
|
|
rar
|
|
mov e,a ! de = word count
|
|
jnc 1f
|
|
|
|
! if 1 byte array element only:
|
|
mov a,d ! trap if de odd and <>1
|
|
ora e
|
|
cnz eoddz
|
|
pop b
|
|
mov m,c
|
|
jmp 2f
|
|
|
|
1: pop b
|
|
mov m,c
|
|
inx h
|
|
mov m,b
|
|
inx h
|
|
dcx d
|
|
mov a,d
|
|
ora e
|
|
jnz 1b
|
|
|
|
2: lhld .bcreg
|
|
mov c,l
|
|
mov b,h
|
|
lhld .retadr
|
|
pchl
|
|
|