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shave even more cycles by using direct branches where possible

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4am 2020-11-21 13:28:54 -05:00
parent e0c3629a0a
commit c0ea10b691
2 changed files with 11 additions and 6 deletions
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12
src/fx/fx.dhgr.soft.diagonal.a
View File

@ -121,7 +121,7 @@ RowLoop
+RESET_HGR_HI +RESET_HGR_HI
@block4 @block4
iny iny
+BRANCH_IF_Y_IS_OFFSCREEN @block5 +LONG_BRANCH_IF_Y_IS_OFFSCREEN @block5
; +COPY_WITH_MASK_IMM_AND_INC %00000000 ; +COPY_WITH_MASK_IMM_AND_INC %00000000
+INC_HGR_HI +INC_HGR_HI
+COPY_WITH_MASK_IMM_AND_INC %10011001 +COPY_WITH_MASK_IMM_AND_INC %10011001
@ -134,7 +134,7 @@ RowLoop
+RESET_HGR_HI +RESET_HGR_HI
@block5 @block5
iny iny
+BRANCH_IF_Y_IS_OFFSCREEN @block6 +LONG_BRANCH_IF_Y_IS_OFFSCREEN @block6
; +COPY_WITH_MASK_IMM_AND_INC %00000000 ; +COPY_WITH_MASK_IMM_AND_INC %00000000
+INC_HGR_HI +INC_HGR_HI
+COPY_WITH_MASK_IMM_AND_INC %10011111 +COPY_WITH_MASK_IMM_AND_INC %10011111
@ -147,7 +147,7 @@ RowLoop
+RESET_HGR_HI +RESET_HGR_HI
@block6 @block6
iny iny
+BRANCH_IF_Y_IS_OFFSCREEN @block7 +LONG_BRANCH_IF_Y_IS_OFFSCREEN @block7
+COPY_WITH_MASK_IMM_AND_INC %11100110 +COPY_WITH_MASK_IMM_AND_INC %11100110
+COPY_WITH_MASK_IMM_AND_INC %10011111 +COPY_WITH_MASK_IMM_AND_INC %10011111
+COPY_WITH_MASK_IMM_AND_INC %11111111 +COPY_WITH_MASK_IMM_AND_INC %11111111
@ -212,7 +212,7 @@ RowLoop
+RESET_HGR_HI +RESET_HGR_HI
@block4_aux @block4_aux
iny iny
+BRANCH_IF_Y_IS_OFFSCREEN @block5_aux +LONG_BRANCH_IF_Y_IS_OFFSCREEN @block5_aux
; +COPY_WITH_MASK_IMM_AND_INC %00000000 ; +COPY_WITH_MASK_IMM_AND_INC %00000000
+INC_HGR_HI +INC_HGR_HI
+COPY_WITH_MASK_IMM_AND_INC %11001100 +COPY_WITH_MASK_IMM_AND_INC %11001100
@ -225,7 +225,7 @@ RowLoop
+RESET_HGR_HI +RESET_HGR_HI
@block5_aux @block5_aux
iny iny
+BRANCH_IF_Y_IS_OFFSCREEN @block6_aux +LONG_BRANCH_IF_Y_IS_OFFSCREEN @block6_aux
; +COPY_WITH_MASK_IMM_AND_INC %00000000 ; +COPY_WITH_MASK_IMM_AND_INC %00000000
+INC_HGR_HI +INC_HGR_HI
+COPY_WITH_MASK_IMM_AND_INC %11111100 +COPY_WITH_MASK_IMM_AND_INC %11111100
@ -238,7 +238,7 @@ RowLoop
+RESET_HGR_HI +RESET_HGR_HI
@block6_aux @block6_aux
iny iny
+BRANCH_IF_Y_IS_OFFSCREEN @block7_aux +LONG_BRANCH_IF_Y_IS_OFFSCREEN @block7_aux
+COPY_WITH_MASK_IMM_AND_INC %10110011 +COPY_WITH_MASK_IMM_AND_INC %10110011
+COPY_WITH_MASK_IMM_AND_INC %11111100 +COPY_WITH_MASK_IMM_AND_INC %11111100
+COPY_WITH_MASK_IMM_AND_INC %11111111 +COPY_WITH_MASK_IMM_AND_INC %11111111

5
src/fx/macros.a
View File

@ -141,6 +141,11 @@
++ ++
} }
!macro BRANCH_IF_Y_IS_OFFSCREEN .target { !macro BRANCH_IF_Y_IS_OFFSCREEN .target {
bmi .target
cpy #40
bcs .target
}
!macro LONG_BRANCH_IF_Y_IS_OFFSCREEN .target {
bpl + bpl +
- jmp .target - jmp .target
+ cpy #40 + cpy #40