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implemented asm for ror2 array values

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This commit is contained in:
Irmen de Jong 2020-04-03 21:04:42 +02:00
parent f2e5d987a9
commit be7f5957f3
2 changed files with 58 additions and 81 deletions
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51
compiler/res/prog8lib/prog8lib.asm
View File

@ -1902,6 +1902,23 @@ ror_array_ub .proc
rts
.pend
ror2_array_ub .proc
; -- ror2 (8-bit ror) a ubyte in an array (index and array address on stack)
inx
ldy c64.ESTACK_LO,x
inx
lda c64.ESTACK_LO,x
sta c64.SCRATCH_ZPWORD1
lda c64.ESTACK_HI,x
sta c64.SCRATCH_ZPWORD1+1
lda (c64.SCRATCH_ZPWORD1),y
lsr a
bcc +
ora #$80
+ sta (c64.SCRATCH_ZPWORD1),y
rts
.pend
ror_array_uw .proc
; -- ror a uword in an array (index and array address on stack)
php
@ -1926,6 +1943,33 @@ ror_array_uw .proc
rts
.pend
ror2_array_uw .proc
; -- ror2 (16-bit ror) a uword in an array (index and array address on stack)
inx
lda c64.ESTACK_LO,x
asl a
tay
inx
lda c64.ESTACK_LO,x
sta c64.SCRATCH_ZPWORD1
lda c64.ESTACK_HI,x
sta c64.SCRATCH_ZPWORD1+1
iny
lda (c64.SCRATCH_ZPWORD1),y
lsr a
sta (c64.SCRATCH_ZPWORD1),y
dey
lda (c64.SCRATCH_ZPWORD1),y
ror a
sta (c64.SCRATCH_ZPWORD1),y
bcc +
iny
lda (c64.SCRATCH_ZPWORD1),y
ora #$80
sta (c64.SCRATCH_ZPWORD1),y
+ rts
.pend
rol_array_ub .proc
.warn "rol_array_ub" ; TODO
.pend
@ -1942,10 +1986,3 @@ rol2_array_uw .proc
.warn "rol2_array_uw" ; TODO
.pend
ror2_array_ub .proc
.warn "ror2_array_ub" ; TODO
.pend
ror2_array_uw .proc
.warn "ror2_array_uw" ; TODO
.pend

88
examples/arithmetic/bitshift.p8
View File

@ -17,56 +17,27 @@ main {
sub unimplemented() {
ubyte xx
uword xxx
ror(xx)
ror(xxx)
clear_carry()
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
ror(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
ror(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
ror(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
ror(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
ror(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
ror(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
c64.CHROUT('\n')
ror2(xx)
ror2(xxx)
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
set_carry()
ror(ubarray[1])
ror2(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
set_carry()
ror(ubarray[1])
ror2(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
set_carry()
ror(ubarray[1])
ror2(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
set_carry()
ror(ubarray[1])
ror2(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
set_carry()
ror(ubarray[1])
ror2(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
set_carry()
ror(ubarray[1])
ror2(ubarray[1])
c64scr.print_ubbin(ubarray[1], false)
c64.CHROUT('\n')
c64.CHROUT('\n')
@ -93,53 +64,24 @@ main {
; c64.CHROUT('\n')
; c64.CHROUT('\n')
clear_carry()
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
ror(uwarray[1])
ror2(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
ror(uwarray[1])
ror2(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
ror(uwarray[1])
ror2(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
ror(uwarray[1])
ror2(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
ror(uwarray[1])
ror2(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
ror(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
c64.CHROUT('\n')
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
ror(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
ror(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
ror(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
ror(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
ror(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
ror(uwarray[1])
ror2(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
c64.CHROUT('\n')
@ -168,13 +110,11 @@ main {
; lsl(ubarray[1])
; rol(ubarray[1])
; ror2(ubarray[1])
; rol2(ubarray[1])
; lsl(bbarray[1])
;
; lsl(uwarray[1])
; rol(uwarray[1])
; ror2(uwarray[1])
; rol2(uwarray[1])
; lsl(wwarray[1])
}