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implemented asm for rol array values

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This commit is contained in:
Irmen de Jong 2020-04-03 21:31:17 +02:00
parent 4274fd168e
commit f8b0b9575d
2 changed files with 45 additions and 11 deletions
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47
compiler/res/prog8lib/prog8lib.asm
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@ -1879,6 +1879,22 @@ lsr_array_w .proc
rts
.pend
rol_array_ub .proc
; -- rol 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
rol a
sta (c64.SCRATCH_ZPWORD1),y
rts
.pend
ror_array_ub .proc
; -- ror a ubyte in an array (index and array address on stack)
inx
@ -1951,6 +1967,29 @@ ror_array_uw .proc
rts
.pend
rol_array_uw .proc
; -- rol a uword in an array (index and array address on stack)
php
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
lda (c64.SCRATCH_ZPWORD1),y
plp
rol a
sta (c64.SCRATCH_ZPWORD1),y
iny
lda (c64.SCRATCH_ZPWORD1),y
rol a
sta (c64.SCRATCH_ZPWORD1),y
rts
.pend
rol2_array_uw .proc
; -- rol2 (16-bit rol) a uword in an array (index and array address on stack)
inx
@ -2011,11 +2050,3 @@ lsl_array_b .proc
lsl_array_w .proc
.warn "lsl_array_w" ; TODO
.pend
rol_array_ub .proc
.warn "rol_array_ub" ; TODO
.pend
rol_array_uw .proc
.warn "rol_array_uw" ; TODO
.pend

9
examples/arithmetic/bitshift.p8
View File

@ -66,21 +66,27 @@ main {
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
rol(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
rol(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
rol(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
rol(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
rol(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
set_carry()
rol(uwarray[1])
c64scr.print_uwbin(uwarray[1] as uword, false)
c64.CHROUT('\n')
@ -109,11 +115,8 @@ main {
; c64.CHROUT('\n')
; lsl(ubarray[1])
; rol(ubarray[1])
; lsl(bbarray[1])
;
; lsl(uwarray[1])
; rol(uwarray[1])
; lsl(wwarray[1])
}