Apple-2-SW/a2d
1
0
Fork 0
mirror of https://github.com/mi57730/a2d.git synced 2024-11-29 07:49:20 +00:00
Code Issues Projects Releases Wiki Activity

SIF DA: Optimize main>aux copy, use more macros

Browse Source
This commit is contained in:
Joshua Bell 2018-12-19 18:52:33 -08:00
parent be8f64864f
commit 13dfdf786c
1 changed files with 21 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
desk.acc/show.image.file.s
View File

@ -236,14 +236,12 @@ nextwinfo: .addr 0
lda LCBANK1
lda LCBANK1
lda #0
sta mode
copy #0, mode
;; Get filename by checking DeskTop selected window/icon
;; Check that an icon is selected
lda #0
sta pathbuff::length
copy #0, pathbuff::length
lda selected_file_count
beq abort ; some file properties?
lda path_index ; prefix index in table
@ -426,12 +424,15 @@ close: jsr close_file
;; TODO: Load directly into Aux if RamWorks is not present.
;; Copy MAIN to AUX
sta CLR80COL ; read main, write aux
sta RAMRDOFF
sta RAMWRTON
copy16 #hires, ptr
ldx #>hires_size ; number of pages to copy
ldy #0
: sta PAGE2OFF ; from main
lda (ptr),y
sta PAGE2ON ; to aux
: lda (ptr),y
sta (ptr),y
iny
bne :-
@ -439,13 +440,15 @@ close: jsr close_file
dex
bne :-
sta RAMWRTON ; read aux, write aux
sta RAMRDON
sta SET80COL
;; MAIN memory half
sta PAGE2OFF
jsr read_file
jsr close_file
;; TODO: Restore PAGE2 state?
rts
.endproc
@ -464,15 +467,12 @@ close: jsr close_file
lda #0 ; row
rloop: pha
tax
lda hires_table_lo,x
sta ptr
lda hires_table_hi,x
sta ptr+1
copy hires_table_lo,x, ptr
copy hires_table_hi,x, ptr+1
ldy #cols-1 ; col
lda #0
sta spill ; spill-over
copy #0, spill ; spill-over
cloop: lda (ptr),y
tax
@ -504,8 +504,7 @@ hibitset:
sta PAGE2OFF
sta (ptr),y
lda #0 ; no spill bit
sta spill
copy #0, spill ; no spill bit
next:
dey
bpl cloop
@ -546,10 +545,8 @@ inner:
lda #0 ; row #
rloop: pha
tax
lda hires_table_lo,x
sta src
lda hires_table_hi,x
sta src+1
copy hires_table_lo,x, src
copy hires_table_hi,x, src+1
ldy #cols-1
cloop: lda (src),y
sta (dst),y
@ -579,10 +576,8 @@ inner:
lda #0 ; row #
rloop: pha
tax
lda hires_table_lo,x
sta dst
lda hires_table_hi,x
sta dst+1
copy hires_table_lo,x, dst
copy hires_table_hi,x, dst+1
ldy #cols-1
cloop: lda (src),y
sta (dst),y
@ -612,8 +607,7 @@ mode: .byte 0 ; 0 = B&W, $80 = color
.proc set_color_mode
lda mode
bne done
lda #$80
sta mode
copy #$80, mode
;; AppleColor Card - Mode 2 (Color 140x192)
sta SET80VID