Apple-2-SW/dos33fsprogs
1
0
Fork 0
mirror of https://github.com/deater/dos33fsprogs.git synced 2024-06-25 09:29:35 +00:00
Code Issues Projects Releases Wiki Activity

chiptune: remove some dead code

Browse Source
This commit is contained in:
Vince Weaver 2018-03-08 15:34:52 -05:00
parent 9503bc4d2f
commit c946de41ad
1 changed files with 1 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
chiptune_player/interrupt_handler.s
View File

@ -103,7 +103,7 @@ mb_not_done:
cpx #13 ; 2
bne mb_not_13 ; 3/2nt
cmp #$ff ; 2
beq phase_specific ; 3/2nt
beq increment_offset ; 3/2nt
mb_not_13:
sta MB_VALUE ; 3
@ -138,44 +138,6 @@ mb_not_13:
; *13= 1235?
;==============================================
; phase_specific action
;==============================================
; if phase is A and OFFSET&0x0f==0 then do a copy
; if phase is B, do nothing
; if phase is C, do a decompress step
phase_specific:
; lda #$20 ; 2
; bit DECODER_STATE ; V=B, N=C else A ; 3
; bvs increment_offset ; 2nt/3
; bmi decompress_step ; 2nt/3
;handle_copy:
; lda MB_CHUNK_OFFSET ; 3
; and #$0f ; 2
; bne increment_offset ; 2nt/3
; lda COPY_OFFSET ; 3
; cmp #$14 ; 2
; beq increment_offset ; 2nt/3
; jsr page_copy ;6+3621
; inc COPY_OFFSET ; (opt: make subtract?) ; 5
; jmp increment_offset ; 3
;decompress_step:
; lda LZ4_DONE
; bne increment_offset
; jsr lz4_decode_step
; bcc increment_offset
; inc LZ4_DONE
;==============================================
; incremement offset. If 0 move to next chunk
;==============================================