Apple-2-Tools/4cade
1
0
Fork 0
mirror of https://github.com/a2-4am/4cade.git synced 2024-12-18 13:30:43 +00:00
Code Issues Projects Releases Wiki Activity

remove unused stuff

Browse Source
This commit is contained in:
Peter Ferrie 2019-10-23 11:19:34 -07:00
parent cb8231fba0
commit 54c4e2746c
1 changed files with 10 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/fx/fx.hgr.precomputed.1bit.a
View File

@ -12,9 +12,7 @@ dest2 = $F6 ; word
input = $FE ; word
copymasks = $0200 ; $100 bytes but sparse, index is 0..6 but in high 3 bits, so $00, $20, $40, $60, $80, $A0, $C0
sourcemasks = $0201 ; same as copymasks
mirror_copymasks = $0202
mirror_sourcemasks = $0203
mirror_copymasks = $0201
hgrlo = $0300 ; $C0 bytes
hgrlomirror = $BD40 ; $C0 bytes
mirror_cols = $BE00 ; $28 bytes
@ -23,7 +21,7 @@ hgr1himirror = $BF40 ; $C0 bytes
!source "src/fx/macros.a"
!macro COPY_BIT .src1, .dest1, .sourcemasks, .copymasks {
!macro COPY_BIT .src1, .dest1, .copymasks {
lda (.dest1),y
eor (.src1),y ; merge source and destination bits
and .copymasks,x ; isolate the bits to replace, zero the rest
@ -49,51 +47,30 @@ hgr1himirror = $BF40 ; $C0 bytes
lda #%10000001
sta copymasks
sta mirror_copymasks+$C0
eor #%11111111
sta sourcemasks
sta mirror_sourcemasks+$C0
lda #%10000010
sta copymasks+$20
sta mirror_copymasks+$A0
eor #%11111111
sta sourcemasks+$20
sta mirror_sourcemasks+$A0
lda #%10000100
sta copymasks+$40
sta mirror_copymasks+$80
eor #%11111111
sta sourcemasks+$40
sta mirror_sourcemasks+$80
lda #%10001000
sta copymasks+$60
sta mirror_copymasks+$60
eor #%11111111
sta sourcemasks+$60
sta mirror_sourcemasks+$60
lda #%10010000
sta copymasks+$80
sta mirror_copymasks+$40
eor #%11111111
sta sourcemasks+$80
sta mirror_sourcemasks+$40
lda #%10100000
sta copymasks+$A0
sta mirror_copymasks+$20
eor #%11111111
sta sourcemasks+$A0
sta mirror_sourcemasks+$20
lda #%11000000
sta copymasks+$C0
sta mirror_copymasks
eor #%11111111
sta sourcemasks+$C0
sta mirror_sourcemasks
; set up pointer to input data
lda #<.coords
@ -146,27 +123,27 @@ Exit1 = * + 1
; main 1x2 block in top-left quadrant
+COPY_BIT src1, dest1, sourcemasks, copymasks
+COPY_BIT src2, dest2, sourcemasks, copymasks
+COPY_BIT src1, dest1, copymasks
+COPY_BIT src2, dest2, copymasks
; corresponding 1x2 block in top-right quadrant (same row, opposite column)
lda mirror_cols,y
tay
+COPY_BIT src1, dest1, mirror_sourcemasks, mirror_copymasks
+COPY_BIT src2, dest2, mirror_sourcemasks, mirror_copymasks
+COPY_BIT src1, dest1, mirror_copymasks
+COPY_BIT src2, dest2, mirror_copymasks
; corresponding 1x2 block in bottom-right quadrant (opposite row, opposite column)
+COPY_BIT src3, dest3, mirror_sourcemasks, mirror_copymasks
+COPY_BIT src4, dest4, mirror_sourcemasks, mirror_copymasks
+COPY_BIT src3, dest3, mirror_copymasks
+COPY_BIT src4, dest4, mirror_copymasks
; corresponding 1x2 block in bottom-left quadrant (opposite row, original column)
lda mirror_cols,y
tay
+COPY_BIT src3, dest3, sourcemasks, copymasks
+COPY_BIT src4, dest4, sourcemasks, copymasks
+COPY_BIT src3, dest3, copymasks
+COPY_BIT src4, dest4, copymasks
inc input
beq +