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d865c3a93031f86ea982e4c0951466745d992bac
[fw/sdcc]
/
src
/
z80
/
peeph.def
1
replace {
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ld (hl),(hl)
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} by {
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ERROR - peephole - caught (hl),(hl)
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}
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replace {
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ld %1,%1
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} by {
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; Removed redundent load
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}
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replace restart {
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xor a,a
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or a,%1
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or a,a
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jp %2,%3
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} by {
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xor a,a
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or a,%1
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jp %2,%3
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}
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replace restart {
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cp a,#0x00
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jp nz,%1
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} by {
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or a,a
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jp nz,%1
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}
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replace restart {
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jp nz,%1
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jp %2
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%1:
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jp %3
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%2:
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} by {
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jp z,%2
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%1:
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jp %3
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%2:
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}
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replace restart {
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jp nz,%1
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jp %2
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%1:
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} by {
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jp z,%2
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%1:
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}
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replace restart {
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jp z,%1
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jp %2
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%1:
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} by {
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jp nz,%2
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%1:
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}
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replace restart {
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or a,%1
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or a,a
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} by {
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or a,%1
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}
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replace restart {
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or a,%1)
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or a,a
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} by {
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or a,%1)
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}
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replace restart {
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xor a,a
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or a,%1
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jp nz,%2
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xor a,a
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or a,%3
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jp z,%2
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} by {
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xor a,a
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or a,%1
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jp nz,%2
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or a,%3
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jp z,%2
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}
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replace restart {
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jp nz,%1
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inc %3)
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%1:
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jp %2
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} by {
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jp nz,%2
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inc %3)
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%1:
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jp %2
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}
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replace restart {
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xor a,a
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ld a,#0x00
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} by {
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xor a,a
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}
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replace {
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ld e,#0x00
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ld d,#0x00
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} by {
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ld de,#0x0000
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}
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replace {
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ld l,#0x00
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ld h,#0x00
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} by {
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ld hl,#0x0000
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}
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replace restart {
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ld %1,a
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ld a,%1
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} by {
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ld %1,a
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}
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replace restart {
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jp %1,%2
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jr %3
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%2:
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jp %4
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} by {
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jp %1,%4
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jr %3
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%2:
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jp %4
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}
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replace {
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ld l,e
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ld h,d
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push hl
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ld l,c
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ld h,b
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push hl
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} by {
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push de
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push bc
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}
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replace {
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and a,#%1
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or a,a
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} by {
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and a,#%1
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}
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replace {
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ld b,l
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ld a,b
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pop bc
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ld b,a
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} by {
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ld a,l
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pop bc
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ld b,a
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}
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replace {
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ld d,l
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ld a,d
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pop de
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ld d,a
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} by {
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ld a,l
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pop de
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ld d,a
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}
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replace {
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ld a,b
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push af
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inc sp
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} by {
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push bc
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inc sp
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}
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replace {
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ld a,d
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push af
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inc sp
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} by {
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push de
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inc sp
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}
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replace {
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ld a,%1
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sub a,#%2
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jp m,%3
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ld a,%1
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sub a,#%4
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jp p,%5
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} by {
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ld a,%1
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cp a,#%2
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jp m,%3
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cp a,#%4
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jp p,%5
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}