mirror of
https://github.com/a2-4am/4cade.git
synced 2025-02-03 08:33:11 +00:00
shave some cycles (eliminate first LDA)
This commit is contained in:
parent
41cdf65542
commit
1ab825a37e
@ -25,9 +25,9 @@ counter = $FF
|
|||||||
|
|
||||||
!macro RESET_HGR_HI {
|
!macro RESET_HGR_HI {
|
||||||
txa
|
txa
|
||||||
sta dst+1
|
|
||||||
eor #$60
|
|
||||||
sta src+1
|
sta src+1
|
||||||
|
eor #$60
|
||||||
|
sta dst+1
|
||||||
}
|
}
|
||||||
|
|
||||||
; note: .copymask is an immediate value, not an indexed array or a memory address
|
; note: .copymask is an immediate value, not an indexed array or a memory address
|
||||||
@ -73,16 +73,19 @@ RowLoop
|
|||||||
sta src
|
sta src
|
||||||
sta dst
|
sta dst
|
||||||
lda hgrrowhi, x
|
lda hgrrowhi, x
|
||||||
sta dst+1
|
|
||||||
tax
|
tax
|
||||||
eor #$60
|
|
||||||
sta src+1
|
sta src+1
|
||||||
|
eor #$60
|
||||||
|
sta dst+1
|
||||||
|
|
||||||
+BRANCH_IF_Y_IS_OFFSCREEN @block2
|
+BRANCH_IF_Y_IS_OFFSCREEN @block2
|
||||||
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
||||||
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
||||||
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
||||||
+INC_HGR_HI_BY 3
|
adc #12
|
||||||
|
sta dst+1
|
||||||
|
eor #$60
|
||||||
|
sta src+1
|
||||||
+COPY_WITH_MASK_IMM_AND_INC %10000001
|
+COPY_WITH_MASK_IMM_AND_INC %10000001
|
||||||
+COPY_WITH_MASK_IMM %10000001
|
+COPY_WITH_MASK_IMM %10000001
|
||||||
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
; +COPY_WITH_MASK_IMM_AND_INC %00000000
|
||||||
@ -282,9 +285,9 @@ hgrrowlo
|
|||||||
!align 255, 0
|
!align 255, 0
|
||||||
}
|
}
|
||||||
hgrrowhi
|
hgrrowhi
|
||||||
!byte $20,$20,$21,$21,$22,$22,$23,$23
|
!byte $40,$40,$41,$41,$42,$42,$43,$43
|
||||||
!byte $20,$20,$21,$21,$22,$22,$23,$23
|
!byte $40,$40,$41,$41,$42,$42,$43,$43
|
||||||
!byte $20,$20,$21,$21,$22,$22,$23,$23
|
!byte $40,$40,$41,$41,$42,$42,$43,$43
|
||||||
|
|
||||||
!if * > $6700 {
|
!if * > $6700 {
|
||||||
!error "Code too large, adjust COPY_TO_AUXMEM macro"
|
!error "Code too large, adjust COPY_TO_AUXMEM macro"
|
||||||
|
Loading…
x
Reference in New Issue
Block a user