Apple-2gs-SW/hfs-boot
1
0
Fork 0
mirror of https://github.com/ksherlock/hfs-boot.git synced 2024-12-22 06:29:20 +00:00
Code Issues Projects Releases Wiki Activity

re-arrange to avoid relative expression warning

Browse Source
This commit is contained in:
Kelvin Sherlock 2021-07-27 21:31:23 -04:00
parent dbfe66cc99
commit 6da1f9fa3c
1 changed files with 67 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

134
loader.aii
View File

@ -449,73 +449,6 @@ s3 dc.b 'xxSYSTEM:FSTS:'
endp endp
read_block proc
entry read_block_abs
entry vector
; input
; a = hfs block #
; will be adjusted for allocation block offset
;
with dp
clc
adc data.block_offset
read_block_abs
; todo -- need to save/restore dp and stack
if __smartport__ then
sta sp.block
else
sta pro.block
endif
;
; need to save/restore the stack. start.gs.os will call w/ high stack
;
tsc
sta _stack
lda #$01bf ; should be enough space
tcs
clc
php
sec
xce
dc.b $20 ; jsr
vector dc.w $ffff
if __smartport__ then
dc.b sp.ReadBlock
dc.w sp
endif
bcs @fail
xce
plp
lda _stack
tcs
lda #0
rts
@fail
clc
xce
plp
tax ; save
lda _stack
tcs
sec
txa
and #$ff
rts
_stack ds.w 1
endp
read_file_block proc read_file_block proc
; a = block # ; a = block #
@ -583,6 +516,73 @@ read_cat_block proc
read_block proc
entry read_block_abs
entry vector
; input
; a = hfs block #
; will be adjusted for allocation block offset
;
with dp
clc
adc data.block_offset
read_block_abs
if __smartport__ then
sta sp.blockNumber
else
sta pro.blockNumber
endif
;
; need to save/restore the stack. start.gs.os will call w/ high stack
;
tsc
sta _stack
lda #$01bf ; should be enough space
tcs
clc
php
sec
xce
dc.b $20 ; jsr
vector dc.w $ffff
if __smartport__ then
dc.b Command.ReadBlock
dc.w sp
endif
bcs @fail
xce
plp
lda _stack
tcs
lda #0
rts
@fail
clc
xce
plp
tax ; save
lda _stack
tcs
sec
txa
and #$ff
rts
_stack ds.w 1
endp
cat_lookup proc cat_lookup proc
import name_check, match import name_check, match