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Save/Restore QUIT routine. Fixes #3
On startup (DESKTOP.SYSTEM), the current ProDOS QUIT handler (selector/dispatcher) living in Main LC Bank 2 $D100-$D3DD is written out to a "Quit.tmp" file, along with preamble code to restore it and invoke QUIT. On quit (DESKTOP2), the "Quit.tmp" file is loaded at $1000, /RAM is reattached, then the code is invoked. This presumes prefix is set on launch and remains unchanged. If the Quit.tmp file cannot be found, File > Quit shows an error. Also copy Quit.tmp to RAM Card
This commit is contained in:
Joshua Bell
parent
045a48cd1e
commit
87d48e2a7f
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@ -112,7 +112,6 @@ L23DF: .byte $00,$00,$00
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DEFINE_GET_FILE_INFO_PARAMS get_file_info_params, buffer
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.byte 0
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;; Files/Directories to copy
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str_f1: PASCAL_STRING "DESKTOP1"
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str_f2: PASCAL_STRING "DESKTOP2"
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@ -120,18 +119,18 @@ str_f3: PASCAL_STRING "DESK.ACC"
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str_f4: PASCAL_STRING "SELECTOR.LIST"
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str_f5: PASCAL_STRING "SELECTOR"
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str_f6: PASCAL_STRING "PRODOS"
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str_f7: PASCAL_STRING "Quit.tmp"
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filename_table:
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.addr str_f1,str_f2,str_f3,str_f4,str_f5,str_f6
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.addr str_f1,str_f2,str_f3,str_f4,str_f5,str_f6,str_f7
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num_filenames = 7
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num_filenames = 6
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str_copying_to_ramcard:
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PASCAL_STRING "Copying Apple II DeskTop into RAMCard"
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;; Jump target from filer launcher - why???
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rts1: rts
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;; Signature of block storage devices ($Cn0x)
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sig_bytes:
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.byte $20,$00,$03,$00
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@ -168,22 +167,19 @@ start: sta MIXCLR
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cmp #$30
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beq have128k
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;; Relocate FILER launch routine to $300 and invoke
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.scope
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target := $300
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length := $D0
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ldy #length
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: lda launch_filer,y
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sta target,y
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dey
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cpy #$FF ; why not bpl ???
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bne :-
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jmp target
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.endscope
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;; If not 128k machine, just quit back to ProDOS
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MLI_CALL QUIT, quit_params
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DEFINE_QUIT_PARAMS quit_params
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have128k:
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lda #$00
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;; Save original Quit routine and small loader
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;; TODO: Assumes prefix is retained. Compose correct path.
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jsr preserve_quit_code
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;; (Original code from here on)
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resume: lda #$00
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sta SHADOW ; IIgs ???
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lda DEVNUM ; Most recent device
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@ -895,49 +891,9 @@ start: MLI_CALL OPEN, open_params
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path0: .res 65, 0
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;;; ============================================================
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;;; Launch FILER - used if machine is not 128k
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;;; Relocated to $300 before invoking
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saved_org := *
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.proc launch_filer
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.org $300
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sys_start := $2000
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MLI_CALL OPEN, open_params
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beq :+
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jmp rts1
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: lda open_params_ref_num
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sta read_params_ref_num
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MLI_CALL READ, read_params
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beq :+
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jmp rts1
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: MLI_CALL CLOSE, close_params
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beq :+
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jmp rts1
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: jmp sys_start
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DEFINE_OPEN_PARAMS open_params, filename, $800
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open_params_ref_num := open_params::ref_num
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DEFINE_READ_PARAMS read_params, sys_start, MLI - sys_start
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read_params_ref_num := read_params::ref_num
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DEFINE_CLOSE_PARAMS close_params
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filename:
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PASCAL_STRING "FILER"
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.endproc
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.assert .sizeof(launch_filer) <= $D0, error, "Routine length exceeded"
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;;; ============================================================
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.org (saved_org + .sizeof(launch_filer))
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filenum:
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.byte 0 ; index of file being copied
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@ -2098,6 +2054,85 @@ done: rts
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.assert * = $3AD8, error, "Segment size mismatch"
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;;; ============================================================
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;;; Loaded at $1000 by DeskTop2 on Quit, and copies $1100-$13FF
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;;; to Language Card Bank 2 $D100-$D3FF, to restore saved quit
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;;; (selector/dispatch) handler, then does ProDOS QUIT.
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str_quit_code: PASCAL_STRING "Quit.tmp"
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saved_org := *
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.proc quit_restore_proc
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.org $1000
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lda LCBANK2
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lda LCBANK2
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ldx #0
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:
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.repeat 3, i
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lda $1100 + ($100 * i), x
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sta SELECTOR + ($100 * i), x
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.endrepeat
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dex
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bne :-
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lda ROMIN2
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MLI_CALL QUIT, quit_params
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DEFINE_QUIT_PARAMS quit_params
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PAD_TO $1100
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.endproc
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.assert .sizeof(quit_restore_proc) = $100, error, "Proc length mismatch"
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.org (saved_org + .sizeof(quit_restore_proc))
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.proc preserve_quit_code_impl
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quit_code_io := $800
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quit_code_addr := $1000
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quit_code_size := $400
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DEFINE_CREATE_PARAMS create_params, str_quit_code, ACCESS_DEFAULT, $F1
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DEFINE_OPEN_PARAMS open_params, str_quit_code, quit_code_io
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DEFINE_WRITE_PARAMS write_params, quit_code_addr, quit_code_size
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DEFINE_CLOSE_PARAMS close_params
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start: lda LCBANK2
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lda LCBANK2
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ldx #0
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:
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lda quit_restore_proc, x
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sta $1000, x
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.repeat 3, i
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lda SELECTOR + ($100 * i), x
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sta $1100 + ($100 * i), x
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.endrepeat
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dex
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bne :-
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lda ROMIN2
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;; Create file (if needed)
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copy16 DATELO, create_params::create_date
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copy16 TIMELO, create_params::create_time
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MLI_CALL CREATE, create_params
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beq :+
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cmp #ERR_DUPLICATE_FILENAME
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bne done
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;; Populate it
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: MLI_CALL OPEN, open_params
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lda open_params::ref_num
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sta write_params::ref_num
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sta close_params::ref_num
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MLI_CALL WRITE, write_params
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MLI_CALL CLOSE, close_params
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done: rts
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.endproc
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preserve_quit_code := preserve_quit_code_impl::start
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;;; ============================================================
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PAD_TO $4000
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.assert * = $4000, error, "Segment size mismatch"
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@ -2050,43 +2050,37 @@ L5098: .byte $00
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;;; ============================================================
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.proc cmd_quit_impl
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;; TODO: Assumes prefix is retained. Compose correct path.
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.proc stack_data
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.addr $DEAF,$DEAD ; ???
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.endproc
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quit_code_io := $800
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quit_code_addr := $1000
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quit_code_size := $400
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.proc quit_code
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;;; note that GS/OS GQUIT is called by ProDOS at $E0D000
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;;; to quit back to GS/OS.
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;;; since DeskTop pre-dates GS/OS, it's likely that this does
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;;; a similar function for ProDOS 16.
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;;; with GS/OS 5 and 6, this code potentially messes up
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;;; the shadow register, $C035
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.pushcpu
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.setcpu "65816"
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clc
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xce ; enter native mode
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jmp $E0D004 ; ProDOS 8->16 QUIT, presumably
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.popcpu
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.endproc
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DEFINE_OPEN_PARAMS open_params, str_quit_code, quit_code_io
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DEFINE_READ_PARAMS read_params, quit_code_addr, quit_code_size
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DEFINE_CLOSE_PARAMS close_params
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DEFINE_QUIT_PARAMS quit_params
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str_quit_code: PASCAL_STRING "Quit.tmp"
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start:
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COPY_BLOCK stack_data, $0102 ; Populate stack ???
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;; Install new quit routine
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sta ALTZPOFF
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lda LCBANK2
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lda LCBANK2
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COPY_BLOCK quit_code, SELECTOR
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MLI_RELAY_CALL OPEN, open_params
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bne fail
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lda open_params::ref_num
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sta read_params::ref_num
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sta close_params::ref_num
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MLI_RELAY_CALL READ, read_params
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MLI_RELAY_CALL CLOSE, close_params
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;; Restore machine to text state
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sta ALTZPOFF
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jsr exit_dhr_mode
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jsr reinstall_ram
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jmp quit_code_addr
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fail: jsr DESKTOP_SHOW_ALERT
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rts
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MLI_CALL QUIT, quit_params
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.endproc
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cmd_quit := cmd_quit_impl::start
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@ -11654,6 +11648,46 @@ do_on_line:
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show_error_alert_dst := show_error_alert_impl::flag_set
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.assert * = $A4D0, error, "Segment length mismatch"
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;;; ============================================================
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;;; Reinstall /RAM (Slot 3, Drive 2)
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;;; TODO: Do everything correcly per ProDOS TRM
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;;; http://www.easy68k.com/paulrsm/6502/PDOS8TRM.HTM#5.2.2.4
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.proc reinstall_ram
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php
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sei ; Disable interrupts
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ram_unit_number = (1<<7 | 3<<4 | DT_RAM)
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;; Append unit number
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inc DEVCNT
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ldx DEVCNT
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lda #ram_unit_number ; Slot 3, Drive 2
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sta DEVLST,x
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;; NOTE: Assumes driver (in DEVADR) was not modified
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;; when detached.
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;; /RAM FORMAT call
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copy #3, $42 ; 3 = FORMAT
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copy #ram_unit_number, $43
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copy16 #$2000, $44
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lda LCBANK1
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lda LCBANK1
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jsr driver
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plp ; Restore interrupts
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rts
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RAMSLOT := DEVADR + $16 ; Slot 3, Drive 2
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driver: jmp (RAMSLOT)
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.endproc
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PAD_TO $A500
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;;; ============================================================
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@ -1,33 +0,0 @@
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#!/bin/bash
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# Run this from the desktop directory
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set -e
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function cecho {
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case $1 in
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red) tput setaf 1 ;;
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green) tput setaf 2 ;;
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yellow) tput setaf 3 ;;
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esac
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echo -e "$2"
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tput sgr0
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}
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function mount {
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uppercase=$(echo "$1" | tr /a-z/ /A-Z/)
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src="out/$1.built"
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dst="mount/$uppercase.\$F1"
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cp "$src" "$dst" \
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&& xattr -wx prodos.AuxType '40 06' "$dst" \
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&& (cecho green "mounted $dst" ) \
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|| (cecho red "failed to mount $dst" ; return 1)
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}
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targets="desktop2"
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mkdir -p mount
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echo "Copying files to mount/"
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for file in $targets; do
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mount "$file"
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done
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