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DeskTop: Identify bank-switched routines

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This commit is contained in:
Joshua Bell 2018-01-04 12:58:32 -08:00
parent 0ab8d20ec0
commit f20bcf6205
4 changed files with 513 additions and 430 deletions
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1
.gitignore vendored Normal file
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@ -0,0 +1 @@
.DS_Store

38
desktop.inc
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@ -5,6 +5,8 @@
;;; ==================================================
;;; Direct Calls
;;; NOTE: Some of these are used by Desk Accessories
;; These must be called from main memory (RAMRDOFF/RAMWRTOFF)
JUMP_TABLE_03 := $4003 ; Enter DeskTop input loop
JUMP_TABLE_06 := $4006 ; ???
@ -29,6 +31,8 @@ JUMP_TABLE_3F := $403F ; ???
;;; ==================================================
;;; NOTE: Some of these are used by Desk Accessories
DESKTOP := $8E00
;; MLI-style call (jsr A2D ; .byte call ; .addr params)
;; Call from AUX (RAMRDON/RAMWRTON)
@ -69,6 +73,12 @@ DESKTOP_REDRAW_ICONS := $0C ; Repaints desktop icons
.endmacro
;;; ==================================================
;;; $D000 routines/pointers (called from MAIN)
;;; These are used by the MAIN (and sometimes AUX) halves of DeskTop itself,
;;; since this bank can be accessed from both AUX and MAIN.
;;; TODO: move into "internal" include file
;; Relay for main>aux A2D call (Y=call, X,A=params addr)
A2D_RELAY := $D000
@ -85,6 +95,15 @@ A2D_RELAY := $D000
jsr A2D_RELAY
.endmacro
;; SET_POS with params at (X,A) followed by DRAW_TEXT call
SETPOS_RELAY := $D01C
.macro SETPOS_RELAY_CALL addr
lda #<addr
ldx #>addr
jsr SETPOS_RELAY
.endmacro
;; Relay for main>aux DESKTOP call (Y=call, X,A=params addr)
DESKTOP_RELAY := $D040
@ -100,11 +119,30 @@ DESKTOP_RELAY := $D040
jsr DESKTOP_RELAY
.endmacro
DESKTOP_FIND_SPACE := $D05E ; Find space in AUX $1F80 table
DESKTOP_FREE_SPACE := $D082 ; Free space in AUX $1F80 table
DESKTOP_COPY_FROM_BUF := $D096 ; Copy from buffer to blocks around $1B00
DESKTOP_COPY_TO_BUF := $D09A ; Copy to buffer from blocks around $1B00
DESKTOP_ASSIGN_STATE := $D108 ; Assign active state to DESKTOP_WINID window
DESKTOP_AUXLOAD := $D13E ; Load AUX (X,A) into A
DESKTOP_SHOW_ALERT0 := $D154 ; Show alert 0
DESKTOP_SHOW_ALERT := $D156 ; Show alert in X
;;; Data fields providing parame for the above
DESKTOP_BUFNUM := $DE9F ; Buffer num for DESKTOP_COPY_*_BUF
DESKTOP_WINID := $EC25 ; Window ID for some operations ???
;;; A handful of entry points in MAIN are referenced from AUX code
DESKTOP_MAIN_PUSH_ADDRS := $87F6 ; Push two words from stack from $6/$8
DESKTOP_MAIN_POP_ADDRS := $8813 ; Pop two words from stack to $6/$8
;;; ==================================================
;;; DeskTop Internals
;;; NOTE: Some of these are used by Desk Accessories
;; These are DeskTop internals, but it appears there is no
;; API for getting the selected file.
file_selected := $DF21 ; 0 if no selection, 1 otherwise

216
desktop/s123_aux.s
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@ -8956,7 +8956,7 @@ L8672: pha
L867B: lda online_params_buffer
beq L8672
jsr L8388 ; ??? This is the middle of an instruction?
jsr desktop_LD05E
jsr DESKTOP_FIND_SPACE ; AUX > MAIN call???
ldy L8738
sta $D464,y
asl a
@ -12513,7 +12513,8 @@ LB5C4: PASCAL_STRING "on the system disk ?"
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00
LB600: jmp show_alert_dialog
show_alert_indirection:
jmp show_alert_dialog
alert_bitmap:
.byte px(%0000000),px(%0000000),px(%0000000),px(%0000000),px(%0000000),px(%0000000),px(%0000000)
@ -12635,7 +12636,7 @@ alert_action_table:
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$80,$80,$00
;; Show alert; prompt number in A
;; Show alert; prompt number in X (???), A = ???
.proc show_alert_dialog
pha
txa
@ -13228,11 +13229,11 @@ addr: .addr 0
.org $D000
L87F6 := $87F6
L8813 := $8813
;;; Various routines callable from MAIN
;; A2D call from main>aux, call in Y, params at (X,A)
.proc A2D_RELAY
.proc A2D_RELAY_IMPL
.assert * = A2D_RELAY, error, "Entry point mismatch"
sty addr-1
sta addr
stx addr+1
@ -13244,9 +13245,9 @@ L8813 := $8813
rts
.endproc
;; SET_POS with params at (X,A) followed by DRAW_TEXT call
.proc SETPOS_RELAY
.proc SETPOS_RELAY_IMPL
.assert * = SETPOS_RELAY, error, "Entry point mismatch"
sta addr
stx addr+1
sta RAMRDON
@ -13277,7 +13278,8 @@ L8813 := $8813
;; Find first 0 in AUX $1F80 ... $1F7F; if present,
;; mark it 1 and return index+1 in A
.proc LD05E
.proc DESKTOP_FIND_SPACE_IMPL
.assert * = DESKTOP_FIND_SPACE, error, "Entry point mismatch"
sta RAMRDON
sta RAMWRTON
ldx #0
@ -13300,6 +13302,9 @@ loop: lda $1F80,x
rts
.endproc
;; Zero the AUX $1F80 table entry in A
.proc DESKTOP_FREE_SPACE_IMPL
.assert * = DESKTOP_FREE_SPACE, error, "Entry point mismatch"
tay
sta RAMRDON
sta RAMWRTON
@ -13309,88 +13314,120 @@ loop: lda $1F80,x
sta RAMRDOFF
sta RAMWRTOFF
rts
.endproc
;; Copy data to/from buffers (see bufnum / buf3 / table1/2) ???
.proc DESKTOP_COPY_BUF_IMPL
ptr := $6
.assert * = DESKTOP_COPY_FROM_BUF, error, "Entry point mismatch"
lda #$80
bne LD09C
bne :+ ; always
.assert * = DESKTOP_COPY_TO_BUF, error, "Entry point mismatch"
lda #$00
LD09C: sta LD106
jsr L87F6
lda LDE9F
asl a
sta flag
jsr DESKTOP_MAIN_PUSH_ADDRS
lda bufnum
asl a ; * 2
tax
lda LEC01,x
sta $06
lda LEC01+1,x
sta $07
lda table1,x ; copy table1 entry to ptr
sta ptr
lda table1+1,x
sta ptr+1
sta RAMRDON
sta RAMWRTON
bit LD106
bpl LD0C6
lda LDEA0
ldy #$00
sta ($06),y
jmp LD0CD
bit flag
bpl set_length
LD0C6: ldy #$00
lda ($06),y
sta LDEA0
LD0CD: lda LEC13,x
sta $06
lda LEC13+1,x
sta $07
bit LD106
bmi LD0EC
;; assign length from buf3
lda buf3len
ldy #0
LD0DE: cpy LDEA0
beq LD0FC
lda ($06),y
sta LDEA0+1,y
iny
jmp LD0DE
sta (ptr),y
jmp set_copy_ptr
LD0EC: ldy #0
LD0EE: cpy LDEA0
beq LD0FC
lda LDEA0+1,y
sta ($06),y
iny
jmp LD0EE
;; assign length to buf3
set_length:
ldy #0
lda (ptr),y
sta buf3len
LD0FC: sta RAMRDOFF
set_copy_ptr:
lda table2,x ; copy table2 entry to ptr
sta ptr
lda table2+1,x
sta ptr
bit flag
bmi copy_from
;; copy into buf3
ldy #0 ; flag clear...
: cpy buf3len
beq done
lda (ptr),y
sta buf3,y
iny
jmp :-
;; copy from buf3
copy_from:
ldy #0
: cpy buf3len
beq done
lda buf3,y
sta (ptr),y
iny
jmp :-
done: sta RAMRDOFF
sta RAMWRTOFF
jsr L8813
jsr DESKTOP_MAIN_POP_ADDRS
rts
LD106: .byte 0
flag: .byte 0
rts ; ???
.endproc
;; Assign active state to DESKTOP_WINID window
.proc DESKTOP_ASSIGN_STATE_IMPL
src := $6
dst := $8
sta RAMRDON
sta RAMWRTON
A2D_CALL A2D_GET_STATE, $06
lda LEC25
A2D_CALL A2D_GET_STATE, src ; grab window state
lda DESKTOP_WINID ; which desktop window?
asl a
tax
lda LDFA1,x
sta $08
lda LDFA1+1,x
sta $09
lda $08
lda win_table,x ; window table
sta dst
lda win_table+1,x
sta dst+1
lda dst
clc
adc #$14
sta $08
bcc LD12E
inc $09
LD12E: ldy #$23
LD130: lda ($06),y
sta ($08),y
adc #20 ; add offset
sta dst
bcc :+
inc dst+1
: ldy #35 ; copy 35 bytes into window state
loop: lda (src),y
sta (dst),y
dey
bpl LD130
bpl loop
sta RAMRDOFF
sta RAMWRTOFF
rts
.endproc
;; From MAIN, load AUX (X,A) into A
.proc LD13E
.proc DESKTOP_AUXLOAD_IMPL
.assert * = DESKTOP_AUXLOAD, error, "Entry point mismatch"
stx op+2
sta op+1
sta RAMRDON
@ -13401,16 +13438,26 @@ op: lda $1234
rts
.endproc
.proc LD154
;; From MAIN, show alert with prompt #0
.proc DESKTOP_SHOW_ALERT0_IMPL
.assert * = DESKTOP_SHOW_ALERT0, error, "Entry point mismatch"
ldx #$00
;; fall through
.endproc
;; From MAIN, show alert with prompt # in X
.proc DESKTOP_SHOW_ALERT_IMPL
.assert * = DESKTOP_SHOW_ALERT, error, "Entry point mismatch"
sta RAMRDON
sta RAMWRTON
jsr LB600
jsr show_alert_indirection
sta RAMRDOFF
sta RAMWRTOFF
rts
.endproc
;;; ============================================================
.res 154, 0
const0: .byte 0
@ -13894,12 +13941,17 @@ run_list_entries:
.res 896, 0
.byte $00
LDE9F: .byte $00
LDEA0: .res 256, 0
.byte $00
;; Used by DESKTOP_COPY_*_BUF
.assert * = DESKTOP_BUFNUM, error, "Entry point mismatch"
bufnum: .byte $00
buf3len:.byte 0
buf3: .res 256, 0
;; Buffer for desktop windows
LDFA1: .addr 0,win1,win2,win3,win4,win5,win6,win7,win8
win_table:
.addr 0,win1,win2,win3,win4,win5,win6,win7,win8
.addr $0000
.repeat 8,i
.addr buf2+i*$41
@ -14117,22 +14169,16 @@ buf2: .res 560, 0
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00
LEC01: .byte $00,$1B,$80,$1B,$00,$1C,$80,$1C,$00,$1D,$80,$1D,$00,$1E,$80,$1E,$00,$1F
LEC13: .byte $01,$1B,$81,$1B,$01,$1C,$81,$1C,$01,$1D,$81,$1D,$01,$1E,$81,$1E,$01,$1F
;; Used by DESKTOP_COPY_*_BUF
table1: .addr $1B00,$1B80,$1C00,$1C80,$1D00,$1D80,$1E00,$1E80,$1F00
table2: .addr $1B01,$1B81,$1C01,$1C81,$1D01,$1D81,$1E01,$1E81,$1F01
LEC25: .byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $00,$00,$00,$00,$00,$00,$00,$00
.assert * = DESKTOP_WINID, error, "Entry point mismatch"
desktop_winid:
.byte $00
.res 64, 0
.word 500, 160
.byte $00,$00,$00
.res 147, 0
.res 150, 0
.assert * = $ED00, error, "Segment expected to fill through $ED00"
@ -14478,6 +14524,4 @@ app_mask:
.res 70, 0
.endproc ; desktop
desktop_LD05E := desktop::LD05E
desktop_A2D_RELAY := desktop::A2D_RELAY
desktop_win18_state := desktop::win18::state

688
desktop/s4_main1.s
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