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shave some cycles (eliminate first LDA)

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4am 2020-11-21 18:37:44 -05:00
parent 41cdf65542
commit 1ab825a37e
1 changed files with 11 additions and 8 deletions
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19
src/fx/fx.dhgr.soft.diagonal.a
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@ -25,9 +25,9 @@ counter = $FF
!macro RESET_HGR_HI {
txa
sta dst+1
eor #$60
sta src+1
eor #$60
sta dst+1
}
; note: .copymask is an immediate value, not an indexed array or a memory address
@ -73,16 +73,19 @@ RowLoop
sta src
sta dst
lda hgrrowhi, x
sta dst+1
tax
eor #$60
sta src+1
eor #$60
sta dst+1
+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
+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 %10000001
; +COPY_WITH_MASK_IMM_AND_INC %00000000
@ -282,9 +285,9 @@ hgrrowlo
!align 255, 0
}
hgrrowhi
!byte $20,$20,$21,$21,$22,$22,$23,$23
!byte $20,$20,$21,$21,$22,$22,$23,$23
!byte $20,$20,$21,$21,$22,$22,$23,$23
!byte $40,$40,$41,$41,$42,$42,$43,$43
!byte $40,$40,$41,$41,$42,$42,$43,$43
!byte $40,$40,$41,$41,$42,$42,$43,$43
!if * > $6700 {
!error "Code too large, adjust COPY_TO_AUXMEM macro"