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This commit is contained in:
Irmen de Jong 2019-08-29 22:31:29 +02:00
parent befe4b8e9f
commit 39798a1a4f
1 changed files with 34 additions and 27 deletions
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61
examples/arithmetic/bitshift.p8
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@ -1,8 +1,6 @@
%import c64utils
%zeropage basicsafe
; TODO implement asm generation for all operation in here
main {
byte bb
@ -16,13 +14,41 @@ main {
byte[10] bbarray
word[10] wwarray
sub unimplemented() {
; TODO implement these asm routines
lsr(ubarray[1])
lsl(ubarray[1])
ror(ubarray[1])
rol(ubarray[1])
ror2(ubarray[1])
rol2(ubarray[1])
lsr(bbarray[1])
lsl(bbarray[1])
lsr(uwarray[1])
lsl(uwarray[1])
ror(uwarray[1])
rol(uwarray[1])
ror2(uwarray[1])
rol2(uwarray[1])
lsr(wwarray[1])
lsl(wwarray[1])
}
sub start() {
; lsr(A)
; lsl(A)
; ror(A)
; rol(A)
; ror2(A)
; rol2(A)
unimplemented()
lsr(A)
lsl(A)
ror(A)
rol(A)
ror2(A)
rol2(A)
lsr(Y)
lsl(Y)
ror(Y)
rol(Y)
ror2(Y)
rol2(Y)
lsr(bb)
lsl(bb)
@ -54,25 +80,6 @@ main {
ror2(@(9999+A))
rol2(@(9999+A))
lsr(ubarray[1])
lsl(ubarray[1])
ror(ubarray[1])
rol(ubarray[1])
ror2(ubarray[1])
rol2(ubarray[1])
lsr(bbarray[1])
lsl(bbarray[1])
lsr(uwarray[1])
lsl(uwarray[1])
ror(uwarray[1])
rol(uwarray[1])
ror2(uwarray[1])
rol2(uwarray[1])
lsr(wwarray[1])
lsl(wwarray[1])
bb /= 2
bb >>= 1
bb *= 4