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small tweaks

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This commit is contained in:
4am 2020-09-06 10:44:04 -04:00
parent f081f94756
commit 0f86f9671b
2 changed files with 10 additions and 16 deletions
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13
src/fx/fx.hgr.precomputed.2bit.a
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@ -86,14 +86,11 @@ hgr1himirror = $BF40 ; $C0 bytes
+BUILD_HGR_LOOKUP_TABLES hgrlo, hgr1hi
+BUILD_MIRROR_COLS mirror_cols
+BUILD_SPARSE_BITMASKS_2BIT copymasks, mirror_copymasks
ldx #(end-start) ; copy InputLoop code to zero page
- lda start-1, x
sta $FF, x
ldx #(end-start-1) ; copy InputLoop code to zero page
- lda start, x
sta $0, x
dex
bne -
+LDADDR .coords
sta <input
sty <input+1
bpl -
lda #0
pha
pha
@ -103,7 +100,7 @@ Exit2Bit rts
InputLoop
ldy #0
input=*+1
lda $FDFD, y ; first value: HGR row + 1
lda .coords, y ; first value: HGR row + 1
beq Exit2Bit ; if 0 then we're done
tax
+ROW_X_TO_2BIT_BASE_ADDRESSES

13
src/fx/fx.hgr.precomputed.3bit.a
View File

@ -111,14 +111,11 @@ hgrhi3c = $BE80 ; $80 bytes
+BUILD_3BIT_HGR_LOOKUP_TABLES
+BUILD_EXTRA_COLS
+BUILD_SPARSE_BITMASKS_3BIT
ldx #(end-start) ; copy InputLoop code to zero page
- lda start-1, x
sta $FF, x
ldx #(end-start-1) ; copy InputLoop code to zero page
- lda start, x
sta $0, x
dex
bne -
+LDADDR .coords
sta <input
sty <input+1
bpl -
lda #0
pha
pha
@ -128,7 +125,7 @@ Exit3Bit rts
InputLoop
ldy #0
input=*+1
lda $FDFD, y
lda .coords, y
bmi Exit3Bit ; if high bit is 1 then we're done
cmp #$40
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