mirror of
https://github.com/a2-4am/4live.git
synced 2024-12-21 11:29:20 +00:00
add memory-search option
This commit is contained in:
Peter Ferrie
parent
1b8e0e3083
commit
c3238a4002
189
src/4live.a
189
src/4live.a
@ -1,6 +1,6 @@
|
||||
;
|
||||
; 4LIVE
|
||||
; Copyright (c) 2016-7 by 4am && qkumba
|
||||
; Copyright (c) 2016-8 by 4am && qkumba
|
||||
; 100% open source, see LICENSE file
|
||||
;
|
||||
!cpu 6502
|
||||
@ -8,6 +8,7 @@
|
||||
|
||||
;user-defined
|
||||
HOTKEY = $80 ; CTRL-@
|
||||
FINDKEY = $86 ; CTRL-F
|
||||
HIGHLIGHTKEY = $82 ; CTRL-B
|
||||
CLEARKEY = $83 ; CTRL-C
|
||||
PREVPAGEKEY = $92 ; CTRL-R
|
||||
@ -17,6 +18,7 @@
|
||||
|
||||
VERBOSE = $0 ; set to 1 to show memory usage during build
|
||||
;
|
||||
!addr PROMPT = $33
|
||||
!addr KSWL = $38
|
||||
!addr KSWH = $39
|
||||
!addr FCBFOP = $40
|
||||
@ -30,9 +32,12 @@
|
||||
!addr LCBANK2 = $C083
|
||||
!addr ROMIN1 = $C089
|
||||
!addr LCBANK1 = $C08B
|
||||
!addr SCRN2P2 = $F87B ;SCRN2 +2
|
||||
!addr PRNTYX = $F940
|
||||
!addr APLDETECT = $FBB3 ;#06 if IIe or later
|
||||
!addr KEYIN = $FD1B
|
||||
!addr RDCHAR = $FD35
|
||||
!addr CROUT = $FD8E
|
||||
!addr COUT = $FDED
|
||||
|
||||
;private arbitrary addresses, shared with DOS to avoid conflict
|
||||
@ -58,6 +63,8 @@
|
||||
SPACE = $A0
|
||||
DELETE = $FF
|
||||
|
||||
WILDCARD = $97
|
||||
|
||||
IOBSLOT = 1
|
||||
IOBDRIVE = 2
|
||||
NAMELEN = 30
|
||||
@ -72,8 +79,8 @@
|
||||
POSRDWRRANGE = 4
|
||||
WIDTH = 40
|
||||
HEIGHT = 24
|
||||
LDRBASE = $2E9
|
||||
INSTALLBUFFER = $232 ; yes, the overlay overwrites the loader...
|
||||
LDRBASE = $2DB
|
||||
INSTALLBUFFER = $21E ; yes, the overlay overwrites the loader...
|
||||
; see also "warning!" below
|
||||
SWAPBUFFER = $900 ; (LoadSaveEnd - LoadSaveStart) size
|
||||
; needed by Diversi-DOS, must be page-aligned
|
||||
@ -108,12 +115,8 @@ LdrStart
|
||||
sta FileDrive
|
||||
dey ;ldy #IOBSLOT
|
||||
lda (OPSRC1L), y
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
lsr
|
||||
jsr SCRN2P2
|
||||
sta FileSlot
|
||||
dey ;ldy #00
|
||||
|
||||
;open self and read first overlay
|
||||
|
||||
@ -231,6 +234,18 @@ BankInRAM1
|
||||
bit LCBANK1
|
||||
rts
|
||||
|
||||
PrintAddr
|
||||
bit ROMIN1
|
||||
jsr PRNTYX
|
||||
|
||||
PrintCR
|
||||
lda #RETURN
|
||||
|
||||
PrintChar
|
||||
bit ROMIN1
|
||||
jsr COUT
|
||||
bne BankInRAM1
|
||||
|
||||
;read file content into memory
|
||||
;with swapping of the memory contents in Diversi-DOS,
|
||||
;in order to preserve the original memory region
|
||||
@ -444,11 +459,19 @@ GetKey
|
||||
|
||||
cmp #HOTKEY
|
||||
|
||||
;yes -> let's do that
|
||||
|
||||
beq +
|
||||
|
||||
;memory search?
|
||||
|
||||
cmp #FINDKEY
|
||||
|
||||
;no -> return to DOS
|
||||
|
||||
bne ReuseRts
|
||||
|
||||
jsr BankInRAM1
|
||||
+ jsr BankInRAM1
|
||||
jsr RunFromBankedRAM
|
||||
lda ROMIN1
|
||||
|
||||
@ -475,6 +498,9 @@ InstallEnd
|
||||
BankedCopyStart
|
||||
!pseudopc $D000 {
|
||||
RunFromBankedRAM
|
||||
cmp #FINDKEY
|
||||
beq FindChars
|
||||
|
||||
;preserve X across calls
|
||||
;it's important for DOS
|
||||
|
||||
@ -507,6 +533,147 @@ RunFromBankedRAM
|
||||
tax
|
||||
rts
|
||||
|
||||
FindChars
|
||||
sty CharCount + 1
|
||||
ldx #0
|
||||
ldy #0
|
||||
|
||||
ConvertChars
|
||||
cmp #$10
|
||||
bcs NextChar
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
asl
|
||||
sta OPSRC1L
|
||||
jsr Char2Nib
|
||||
ora OPSRC1L
|
||||
sta SECTORBUFFER, y
|
||||
iny
|
||||
|
||||
NextChar
|
||||
jsr Char2Nib
|
||||
|
||||
CharCount
|
||||
cpx #0 ;self-modified
|
||||
bcc ConvertChars
|
||||
jsr PrintCR
|
||||
dex
|
||||
beq CancelLine
|
||||
jsr SearchMemory
|
||||
|
||||
CancelLine
|
||||
ldx #0
|
||||
lda PROMPT
|
||||
tay ;in case Y was zero
|
||||
jmp PrintChar
|
||||
|
||||
SearchMemory
|
||||
lda DOSBASE
|
||||
sta .endvalue+1
|
||||
lda #8
|
||||
sta search+2
|
||||
sty match_size1+1
|
||||
sty match_size2+1
|
||||
|
||||
; fetch last byte to improve search speed
|
||||
|
||||
dey
|
||||
|
||||
match_buffer1
|
||||
lda SECTORBUFFER,y
|
||||
sta check_byte1+1
|
||||
sta check_byte2+1
|
||||
|
||||
; set low part of initial search position
|
||||
|
||||
sty cont_search+1
|
||||
|
||||
lda #<cont_search-branch_cont-2
|
||||
sta branch_cont+1
|
||||
|
||||
; search...
|
||||
|
||||
cont_search
|
||||
ldy #$d1 ; modified at runtime
|
||||
|
||||
search
|
||||
lda $d100,y ; modified at runtime
|
||||
iny
|
||||
beq check_end
|
||||
|
||||
check_byte1
|
||||
cmp #$d1 ; modified at runtime
|
||||
bne search
|
||||
|
||||
; point to first byte
|
||||
|
||||
sty cont_search+1
|
||||
|
||||
check_match
|
||||
tya
|
||||
|
||||
match_size1
|
||||
sbc #$d1 ; modified at runtime
|
||||
sta match_buffer2+1
|
||||
lda search+2
|
||||
sbc #$00
|
||||
sta match_buffer2+2
|
||||
ldy #$00
|
||||
|
||||
match_all
|
||||
lda SECTORBUFFER,y
|
||||
cmp #WILDCARD
|
||||
beq found_wild
|
||||
|
||||
match_buffer2
|
||||
cmp $d1d1,y ; modified at runtime
|
||||
|
||||
branch_cont
|
||||
bne cont_search
|
||||
|
||||
found_wild
|
||||
iny
|
||||
|
||||
match_size2
|
||||
cpy #$d1 ; modified at runtime
|
||||
bne match_all
|
||||
|
||||
; point to start of match
|
||||
|
||||
ldx match_buffer2+1
|
||||
ldy match_buffer2+2
|
||||
jsr PrintAddr
|
||||
bne branch_cont
|
||||
|
||||
; cold path
|
||||
|
||||
check_end
|
||||
inc search+2
|
||||
ldx search+2
|
||||
.endvalue
|
||||
cpx #$D1
|
||||
bne check_byte1
|
||||
ldx #<all_done_set-branch_cont-2
|
||||
stx branch_cont+1
|
||||
|
||||
check_byte2
|
||||
cmp #$d1 ; modified at runtime
|
||||
beq check_match
|
||||
|
||||
all_done_set
|
||||
;fall through
|
||||
|
||||
Char2Nib
|
||||
lda $0200, x
|
||||
inx
|
||||
sec
|
||||
sbc #$B0
|
||||
cmp #$0A
|
||||
bcc +
|
||||
sbc #7
|
||||
+ rts
|
||||
|
||||
ScrollEditBufferIn
|
||||
ldy #(<(ScrollParmsDown - ScrollParms) - 1)
|
||||
jsr SetScrollLine
|
||||
@ -568,7 +735,7 @@ HexToDec ;called with X=hex value to print
|
||||
+ jsr AToScr
|
||||
txa
|
||||
|
||||
AToScr ;called with A=dec value to print
|
||||
AToScr ;called with A=dec value to print
|
||||
ora #"0"
|
||||
sta (OPSRC2L), y
|
||||
dey
|
||||
@ -1526,7 +1693,7 @@ SecondLine
|
||||
!fill WIDTH * 7, SPACE
|
||||
!text " 4LIVE by 4am && qkumba "
|
||||
!fill WIDTH, SPACE
|
||||
!text " Revision 04 / Serial number 170123 "
|
||||
!text " Revision 05 / Serial number 180410 "
|
||||
!fill WIDTH * 2, SPACE
|
||||
!text " https://github.com/a2-4am/4live "
|
||||
!fill WIDTH * 9, SPACE
|
||||
|
||||
Loading…
Reference in New Issue
Block a user