mirror of
https://github.com/mi57730/a2d.git
synced 2024-11-26 02:49:18 +00:00
952 lines
21 KiB
ArmAsm
952 lines
21 KiB
ArmAsm
.setcpu "6502"
|
|
|
|
.include "apple2.inc"
|
|
.include "../inc/apple2.inc"
|
|
.include "../inc/prodos.inc"
|
|
.include "../inc/auxmem.inc"
|
|
|
|
.include "../mgtk.inc"
|
|
.include "../desktop.inc" ; redraw icons after window move; font; glyphs
|
|
|
|
.org $800
|
|
|
|
;;; ==================================================
|
|
|
|
jmp copy2aux
|
|
|
|
|
|
stash_stack: .byte $00
|
|
|
|
;;; ==================================================
|
|
;;; MLI Call Param Blocks
|
|
|
|
filename:
|
|
PASCAL_STRING "MD.SYSTEM"
|
|
|
|
.proc open_params
|
|
params: .byte 3
|
|
name: .addr filename
|
|
buffer: .addr $0900
|
|
ref_num:.byte 0
|
|
.endproc
|
|
|
|
.proc set_mark_params
|
|
params: .byte 2
|
|
ref_num:.byte 0
|
|
pos: .byte $03,$00,$00
|
|
.endproc
|
|
|
|
.proc write_params
|
|
params: .byte 4
|
|
ref_num:.byte 0
|
|
buffer: .addr write_buffer
|
|
request:.word sizeof_write_buffer
|
|
trans: .word 0
|
|
.endproc
|
|
|
|
.proc close_params
|
|
params: .byte 1
|
|
ref_num:.byte 0
|
|
.endproc
|
|
|
|
write_buffer:
|
|
.byte 0,0
|
|
sizeof_write_buffer := * - write_buffer
|
|
|
|
;;; ==================================================
|
|
|
|
.proc copy2aux
|
|
|
|
start := start_da
|
|
end := last
|
|
|
|
tsx
|
|
stx stash_stack
|
|
sta ALTZPOFF
|
|
lda ROMIN2
|
|
lda DATELO
|
|
sta datelo
|
|
lda DATEHI
|
|
sta datehi
|
|
lda #<start
|
|
sta STARTLO
|
|
lda #>start
|
|
sta STARTHI
|
|
lda #<end
|
|
sta ENDLO
|
|
lda #>end
|
|
sta ENDHI
|
|
lda #<start
|
|
sta DESTINATIONLO
|
|
lda #>start
|
|
sta DESTINATIONHI
|
|
sec
|
|
jsr AUXMOVE
|
|
|
|
lda #<start
|
|
sta XFERSTARTLO
|
|
lda #>start
|
|
sta XFERSTARTHI
|
|
php
|
|
pla
|
|
ora #$40 ; set overflow: aux zp/stack
|
|
pha
|
|
plp
|
|
sec ; control main>aux
|
|
jmp XFER
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Write date into MD.SYSTEM file and exit the DA
|
|
|
|
.proc save_date_and_exit
|
|
sta ALTZPON
|
|
sta write_buffer
|
|
stx write_buffer+1
|
|
lda LCBANK1
|
|
lda LCBANK1
|
|
lda write_buffer ; Dialog committed?
|
|
beq skip
|
|
|
|
ldy #OPEN ; open the file
|
|
lda #<open_params
|
|
ldx #>open_params
|
|
jsr JUMP_TABLE_MLI
|
|
bne skip
|
|
|
|
lda open_params::ref_num
|
|
sta set_mark_params::ref_num
|
|
sta write_params::ref_num
|
|
sta close_params::ref_num
|
|
|
|
ldy #SET_MARK ; seek
|
|
lda #<set_mark_params
|
|
ldx #>set_mark_params
|
|
jsr JUMP_TABLE_MLI
|
|
bne close
|
|
|
|
ldy #WRITE ; write the date
|
|
lda #<write_params
|
|
ldx #>write_params
|
|
jsr JUMP_TABLE_MLI
|
|
|
|
close: ldy #CLOSE ; close the file
|
|
lda #<close_params
|
|
ldx #>close_params
|
|
jsr JUMP_TABLE_MLI
|
|
|
|
skip: ldx stash_stack ; exit the DA
|
|
txs
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
start_da:
|
|
sta ALTZPON
|
|
lda LCBANK1
|
|
lda LCBANK1
|
|
jmp init_window
|
|
|
|
;;; ==================================================
|
|
;;; Param blocks
|
|
|
|
;; The following 7 rects are iterated over to identify
|
|
;; a hit target for a click.
|
|
|
|
num_hit_rects := 7
|
|
first_hit_rect := *
|
|
up_rect_index := 3
|
|
down_rect_index := 4
|
|
|
|
ok_button_rect:
|
|
.word $6A,$2E,$B5,$39
|
|
cancel_button_rect:
|
|
.word $10,$2E,$5A,$39
|
|
up_arrow_rect:
|
|
.word $AA,$0A,$B4,$14
|
|
down_arrow_rect:
|
|
.word $AA,$1E,$B4,$28
|
|
day_rect:
|
|
.word $25,$14,$3B,$1E
|
|
month_rect:
|
|
.word $51,$14,$6F,$1E
|
|
year_rect:
|
|
.word $7F,$14,$95,$1E
|
|
|
|
.proc settextbg_params
|
|
backcolor: .byte 0 ; black
|
|
.endproc
|
|
|
|
.res 7, $00 ; ???
|
|
.byte $FF
|
|
|
|
.proc white_pattern
|
|
.res 8, $FF
|
|
.endproc
|
|
.byte $FF ; ??
|
|
|
|
selected_field: ; 1 = day, 2 = month, 3 = year, 0 = none (init)
|
|
.byte 0
|
|
|
|
datelo: .byte 0
|
|
datehi: .byte 0
|
|
|
|
day: .byte 26 ; Feb 26, 1985
|
|
month: .byte 2 ; The date this was written?
|
|
year: .byte 85
|
|
|
|
spaces_string:
|
|
DEFINE_STRING " "
|
|
|
|
day_pos:
|
|
.word 43, 30
|
|
day_string:
|
|
DEFINE_STRING " "
|
|
|
|
month_pos:
|
|
.word 87, 30
|
|
month_string:
|
|
DEFINE_STRING " "
|
|
|
|
year_pos:
|
|
.word 133, 30
|
|
year_string:
|
|
DEFINE_STRING " "
|
|
|
|
.proc event_params
|
|
kind: .byte 0
|
|
|
|
key := *
|
|
modifiers := *+1
|
|
|
|
xcoord := *
|
|
ycoord := *+2
|
|
.byte 0,0,0,0
|
|
.endproc
|
|
;; xcoord/ycoord are used to query...
|
|
.proc findwindow_params
|
|
mousex := *
|
|
mousey := *+2
|
|
which_area:.byte 0
|
|
window_id: .byte 0
|
|
.endproc
|
|
|
|
da_window_id := 100
|
|
|
|
.proc screentowindow_params
|
|
window_id: .byte da_window_id
|
|
screen:
|
|
screenx:.word 0
|
|
screeny:.word 0
|
|
window:
|
|
windowx:.word 0
|
|
windowy:.word 0
|
|
.endproc
|
|
|
|
.proc closewindow_params
|
|
window_id: .byte da_window_id
|
|
.endproc
|
|
.byte $00,$01 ; ???
|
|
|
|
.proc penmode_params
|
|
penmode: .byte $02 ; this should be normal, but we do inverts ???
|
|
.endproc
|
|
.byte $06 ; ???
|
|
|
|
.proc winfo
|
|
window_id: .byte da_window_id
|
|
options:.byte MGTK::option_dialog_box
|
|
title: .addr 0
|
|
hscroll:.byte MGTK::scroll_option_none
|
|
vscroll:.byte MGTK::scroll_option_none
|
|
hthumbmax: .byte 0
|
|
hthumbpos: .byte 0
|
|
vthumbmax: .byte 0
|
|
vthumbpos: .byte 0
|
|
status: .byte 0
|
|
reserved: .byte 0
|
|
mincontwidth: .word 100
|
|
maxcontwidth: .word 100
|
|
mincontlength: .word $1F4
|
|
maxcontlength: .word $1F4
|
|
port:
|
|
viewloc: DEFINE_POINT 180, 50
|
|
mapbits: .addr MGTK::screen_mapbits
|
|
mapwidth: .word MGTK::screen_mapwidth
|
|
cliprect: DEFINE_RECT 0, 0, $C7, $40
|
|
pattern:.res 8,$00
|
|
colormasks: .byte MGTK::colormask_and, MGTK::colormask_or
|
|
penloc: DEFINE_POINT 0, 0
|
|
penwidth: .byte 4
|
|
penheight: .byte 2
|
|
penmode: .byte 0
|
|
textback: .byte $7F
|
|
textfont: .addr DEFAULT_FONT
|
|
nextwinfo: .addr 0
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Initialize window, unpack the date.
|
|
|
|
init_window:
|
|
jsr save_zp
|
|
|
|
;; Crack the date bytes. Format is:
|
|
;; | DATEHI | DATELO |
|
|
;; |7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0|
|
|
;; | year | month | day |
|
|
|
|
lda datehi
|
|
lsr a
|
|
sta year
|
|
|
|
lda datelo
|
|
and #%11111
|
|
sta day
|
|
|
|
lda datehi
|
|
ror a
|
|
lda datelo
|
|
ror a
|
|
lsr a
|
|
lsr a
|
|
lsr a
|
|
lsr a
|
|
sta month
|
|
|
|
MGTK_CALL MGTK::OpenWindow, winfo
|
|
lda #0
|
|
sta selected_field
|
|
jsr draw_window
|
|
MGTK_CALL MGTK::FlushEvents
|
|
;; fall through
|
|
|
|
;;; ==================================================
|
|
;;; Input loop
|
|
|
|
.proc input_loop
|
|
MGTK_CALL MGTK::GetEvent, event_params
|
|
lda event_params::kind
|
|
cmp #MGTK::event_kind_button_down
|
|
bne :+
|
|
jsr on_click
|
|
jmp input_loop
|
|
|
|
: cmp #MGTK::event_kind_key_down
|
|
bne input_loop
|
|
.endproc
|
|
|
|
.proc on_key
|
|
lda event_params::modifiers
|
|
bne input_loop
|
|
lda event_params::key
|
|
cmp #KEY_RETURN
|
|
bne :+
|
|
jmp on_ok
|
|
|
|
: cmp #KEY_ESCAPE
|
|
bne :+
|
|
jmp on_cancel
|
|
: cmp #KEY_LEFT
|
|
beq on_key_left
|
|
cmp #KEY_RIGHT
|
|
beq on_key_right
|
|
cmp #KEY_DOWN
|
|
beq on_key_down
|
|
cmp #KEY_UP
|
|
bne input_loop
|
|
|
|
on_key_up:
|
|
MGTK_CALL MGTK::PaintRect, up_arrow_rect
|
|
lda #up_rect_index
|
|
sta hit_rect_index
|
|
jsr do_inc_or_dec
|
|
MGTK_CALL MGTK::PaintRect, up_arrow_rect
|
|
jmp input_loop
|
|
|
|
on_key_down:
|
|
MGTK_CALL MGTK::PaintRect, down_arrow_rect
|
|
lda #down_rect_index
|
|
sta hit_rect_index
|
|
jsr do_inc_or_dec
|
|
MGTK_CALL MGTK::PaintRect, down_arrow_rect
|
|
jmp input_loop
|
|
|
|
on_key_left:
|
|
sec
|
|
lda selected_field
|
|
sbc #1
|
|
bne update_selection
|
|
lda #3
|
|
jmp update_selection
|
|
|
|
on_key_right:
|
|
clc
|
|
lda selected_field
|
|
adc #1
|
|
cmp #4
|
|
bne update_selection
|
|
lda #1
|
|
|
|
update_selection:
|
|
jsr highlight_selected_field
|
|
jmp input_loop
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc on_click
|
|
MGTK_CALL MGTK::FindWindow, event_params::xcoord
|
|
MGTK_CALL MGTK::SetPenMode, penmode_params
|
|
MGTK_CALL MGTK::SetPattern, white_pattern
|
|
lda findwindow_params::window_id
|
|
cmp #da_window_id
|
|
bne miss
|
|
lda findwindow_params::which_area
|
|
bne hit
|
|
miss: rts
|
|
|
|
hit: cmp #MGTK::area_content
|
|
bne miss
|
|
jsr find_hit_target
|
|
cpx #0
|
|
beq miss
|
|
txa
|
|
sec
|
|
sbc #1
|
|
asl a
|
|
tay
|
|
lda hit_target_jump_table,y
|
|
sta jump+1
|
|
lda hit_target_jump_table+1,y
|
|
sta jump+2
|
|
jump: jmp $1000 ; self modified
|
|
|
|
hit_target_jump_table:
|
|
.addr on_ok, on_cancel, on_up, on_down
|
|
.addr on_field_click, on_field_click, on_field_click
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
|
|
.proc on_ok
|
|
MGTK_CALL MGTK::PaintRect, ok_button_rect
|
|
|
|
;; Pack the date bytes and store
|
|
sta RAMWRTOFF
|
|
lda month
|
|
asl a
|
|
asl a
|
|
asl a
|
|
asl a
|
|
asl a
|
|
ora day
|
|
sta DATELO
|
|
lda year
|
|
rol a
|
|
sta DATEHI
|
|
sta RAMWRTON
|
|
|
|
lda #1
|
|
sta dialog_result
|
|
jmp destroy
|
|
.endproc
|
|
|
|
on_cancel:
|
|
MGTK_CALL MGTK::PaintRect, cancel_button_rect
|
|
lda #0
|
|
sta dialog_result
|
|
jmp destroy
|
|
|
|
on_up:
|
|
txa
|
|
pha
|
|
MGTK_CALL MGTK::PaintRect, up_arrow_rect
|
|
pla
|
|
tax
|
|
jsr on_up_or_down
|
|
rts
|
|
|
|
on_down:
|
|
txa
|
|
pha
|
|
MGTK_CALL MGTK::PaintRect, down_arrow_rect
|
|
pla
|
|
tax
|
|
jsr on_up_or_down
|
|
rts
|
|
|
|
on_field_click:
|
|
txa
|
|
sec
|
|
sbc #4
|
|
jmp highlight_selected_field
|
|
|
|
.proc on_up_or_down
|
|
stx hit_rect_index
|
|
loop: MGTK_CALL MGTK::GetEvent, event_params ; Repeat while mouse is down
|
|
lda event_params::kind
|
|
cmp #MGTK::event_kind_button_up
|
|
beq :+
|
|
jsr do_inc_or_dec
|
|
jmp loop
|
|
|
|
: lda hit_rect_index
|
|
cmp #up_rect_index
|
|
beq :+
|
|
|
|
MGTK_CALL MGTK::PaintRect, down_arrow_rect
|
|
rts
|
|
|
|
: MGTK_CALL MGTK::PaintRect, up_arrow_rect
|
|
rts
|
|
.endproc
|
|
|
|
.proc do_inc_or_dec
|
|
ptr := $7
|
|
|
|
jsr delay
|
|
lda hit_rect_index
|
|
cmp #up_rect_index
|
|
beq incr
|
|
|
|
decr: lda #<decrement_table
|
|
sta ptr
|
|
lda #>decrement_table
|
|
sta ptr+1
|
|
jmp go
|
|
|
|
incr: lda #<increment_table
|
|
sta ptr
|
|
lda #>increment_table
|
|
sta ptr+1
|
|
|
|
go: lda selected_field
|
|
asl a
|
|
tay
|
|
lda (ptr),y
|
|
sta gosub+1
|
|
iny
|
|
lda (ptr),y
|
|
sta gosub+2
|
|
|
|
gosub: jsr $1000 ; self modified
|
|
MGTK_CALL MGTK::SetTextBG, settextbg_params
|
|
jmp draw_selected_field
|
|
.endproc
|
|
|
|
hit_rect_index:
|
|
.byte 0
|
|
|
|
;;; ==================================================
|
|
|
|
increment_table:
|
|
.addr 0, increment_day, increment_month, increment_year
|
|
decrement_table:
|
|
.addr 0, decrement_day, decrement_month, decrement_year
|
|
|
|
|
|
day_min := 1
|
|
day_max := 31
|
|
month_min := 1
|
|
month_max := 12
|
|
year_min := 0
|
|
year_max := 99
|
|
|
|
increment_day:
|
|
clc
|
|
lda day
|
|
adc #1
|
|
cmp #day_max+1
|
|
bne :+
|
|
lda #month_min
|
|
: sta day
|
|
jmp prepare_day_string
|
|
|
|
increment_month:
|
|
clc
|
|
lda month
|
|
adc #1
|
|
cmp #month_max+1
|
|
bne :+
|
|
lda #month_min
|
|
: sta month
|
|
jmp prepare_month_string
|
|
|
|
increment_year:
|
|
clc
|
|
lda year
|
|
adc #1
|
|
cmp #year_max+1
|
|
bne :+
|
|
lda #year_min
|
|
: sta year
|
|
jmp prepare_year_string
|
|
|
|
decrement_day:
|
|
dec day
|
|
bne :+
|
|
lda #day_max
|
|
sta day
|
|
: jmp prepare_day_string
|
|
|
|
decrement_month:
|
|
dec month
|
|
bne :+
|
|
lda #month_max
|
|
sta month
|
|
: jmp prepare_month_string
|
|
|
|
decrement_year:
|
|
dec year
|
|
bpl :+
|
|
lda #year_max
|
|
sta year
|
|
: jmp prepare_year_string
|
|
|
|
;;; ==================================================
|
|
|
|
.proc prepare_day_string
|
|
lda day
|
|
jsr number_to_ascii
|
|
sta day_string+3 ; first char
|
|
stx day_string+4 ; second char
|
|
rts
|
|
.endproc
|
|
|
|
.proc prepare_month_string
|
|
lda month ; month * 3 - 1
|
|
asl a
|
|
clc
|
|
adc month
|
|
tax
|
|
dex
|
|
|
|
ptr := $07
|
|
str := month_string + 3
|
|
len := 3
|
|
|
|
lda #<str
|
|
sta ptr
|
|
lda #>str
|
|
sta ptr+1
|
|
|
|
ldy #len - 1
|
|
loop: lda month_name_table,x
|
|
sta (ptr),y
|
|
dex
|
|
dey
|
|
bpl loop
|
|
|
|
rts
|
|
.endproc
|
|
|
|
month_name_table:
|
|
.byte "Jan","Feb","Mar","Apr","May","Jun"
|
|
.byte "Jul","Aug","Sep","Oct","Nov","Dec"
|
|
|
|
.proc prepare_year_string
|
|
lda year
|
|
jsr number_to_ascii
|
|
sta year_string+3
|
|
stx year_string+4
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Tear down the window and exit
|
|
|
|
dialog_result: .byte 0
|
|
|
|
.proc destroy
|
|
MGTK_CALL MGTK::CloseWindow, closewindow_params
|
|
DESKTOP_CALL DT_REDRAW_ICONS
|
|
|
|
;; Copy the relay routine to the zero page
|
|
dest := $20
|
|
|
|
ldx #sizeof_routine
|
|
loop: lda routine,x
|
|
sta dest,x
|
|
dex
|
|
bpl loop
|
|
lda dialog_result
|
|
beq skip
|
|
|
|
;; Pack date bytes, store in X, A
|
|
lda month
|
|
asl a
|
|
asl a
|
|
asl a
|
|
asl a
|
|
asl a
|
|
ora day
|
|
tay
|
|
lda year
|
|
rol a
|
|
tax
|
|
tya
|
|
|
|
skip: jmp dest
|
|
|
|
.proc routine
|
|
sta RAMRDOFF
|
|
sta RAMWRTOFF
|
|
jmp save_date_and_exit
|
|
.endproc
|
|
sizeof_routine := * - routine
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Figure out which button was hit (if any).
|
|
;;; Index returned in X.
|
|
|
|
.proc find_hit_target
|
|
lda event_params::xcoord
|
|
sta screentowindow_params::screenx
|
|
lda event_params::xcoord+1
|
|
sta screentowindow_params::screenx+1
|
|
lda event_params::ycoord
|
|
sta screentowindow_params::screeny
|
|
lda event_params::ycoord+1
|
|
sta screentowindow_params::screeny+1
|
|
MGTK_CALL MGTK::ScreenToWindow, screentowindow_params
|
|
MGTK_CALL MGTK::MoveTo, screentowindow_params::window
|
|
ldx #1
|
|
lda #<first_hit_rect
|
|
sta test_addr
|
|
lda #>first_hit_rect
|
|
sta test_addr+1
|
|
|
|
loop: txa
|
|
pha
|
|
MGTK_CALL MGTK::InRect, $1000, test_addr
|
|
bne done
|
|
|
|
clc
|
|
lda test_addr
|
|
adc #8 ; size of 4 words
|
|
sta test_addr
|
|
bcc :+
|
|
inc test_addr+1
|
|
: pla
|
|
tax
|
|
inx
|
|
cpx #num_hit_rects+1
|
|
bne loop
|
|
|
|
ldx #0
|
|
rts
|
|
|
|
done: pla
|
|
tax
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Params for the display
|
|
|
|
border_rect:
|
|
.word $04,$02,$C0,$3D
|
|
|
|
date_rect:
|
|
.word $20,$0F,$9A,$23
|
|
|
|
label_ok:
|
|
DEFINE_STRING {"OK ",GLYPH_RETURN} ;
|
|
label_cancel:
|
|
DEFINE_STRING "Cancel ESC"
|
|
label_uparrow:
|
|
DEFINE_STRING GLYPH_UARROW
|
|
label_downarrow:
|
|
DEFINE_STRING GLYPH_DARROW
|
|
|
|
label_cancel_pos:
|
|
.word $15,$38
|
|
label_ok_pos:
|
|
.word $6E,$38
|
|
|
|
label_uparrow_pos:
|
|
.word $AC,$13
|
|
label_downarrow_pos:
|
|
.word $AC,$27
|
|
|
|
.proc setpensize_params
|
|
penwidth: .byte 1
|
|
penheight: .byte 1
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Render the window contents
|
|
|
|
draw_window:
|
|
MGTK_CALL MGTK::SetPort, winfo::port
|
|
MGTK_CALL MGTK::FrameRect, border_rect
|
|
MGTK_CALL MGTK::SetPenSize, setpensize_params
|
|
MGTK_CALL MGTK::FrameRect, date_rect
|
|
MGTK_CALL MGTK::FrameRect, ok_button_rect
|
|
MGTK_CALL MGTK::FrameRect, cancel_button_rect
|
|
|
|
MGTK_CALL MGTK::MoveTo, label_ok_pos
|
|
MGTK_CALL MGTK::DrawText, label_ok
|
|
|
|
MGTK_CALL MGTK::MoveTo, label_cancel_pos
|
|
MGTK_CALL MGTK::DrawText, label_cancel
|
|
|
|
MGTK_CALL MGTK::MoveTo, label_uparrow_pos
|
|
MGTK_CALL MGTK::DrawText, label_uparrow
|
|
MGTK_CALL MGTK::FrameRect, up_arrow_rect
|
|
|
|
MGTK_CALL MGTK::MoveTo, label_downarrow_pos
|
|
MGTK_CALL MGTK::DrawText, label_downarrow
|
|
MGTK_CALL MGTK::FrameRect, down_arrow_rect
|
|
|
|
jsr prepare_day_string
|
|
jsr prepare_month_string
|
|
jsr prepare_year_string
|
|
|
|
jsr draw_day
|
|
jsr draw_month
|
|
jsr draw_year
|
|
MGTK_CALL MGTK::SetPenMode, penmode_params
|
|
MGTK_CALL MGTK::SetPattern, white_pattern
|
|
lda #1
|
|
jmp highlight_selected_field
|
|
|
|
.proc draw_selected_field
|
|
lda selected_field
|
|
cmp #1
|
|
beq draw_day
|
|
cmp #2
|
|
beq draw_month
|
|
jmp draw_year
|
|
.endproc
|
|
|
|
.proc draw_day
|
|
MGTK_CALL MGTK::MoveTo, day_pos
|
|
MGTK_CALL MGTK::DrawText, day_string
|
|
rts
|
|
.endproc
|
|
|
|
.proc draw_month
|
|
MGTK_CALL MGTK::MoveTo, month_pos
|
|
MGTK_CALL MGTK::DrawText, spaces_string ; variable width, so clear first
|
|
MGTK_CALL MGTK::MoveTo, month_pos
|
|
MGTK_CALL MGTK::DrawText, month_string
|
|
rts
|
|
.endproc
|
|
|
|
.proc draw_year
|
|
MGTK_CALL MGTK::MoveTo, year_pos
|
|
MGTK_CALL MGTK::DrawText, year_string
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Highlight selected field
|
|
;;; Previously selected field in A, newly selected field at top of stack.
|
|
|
|
.proc highlight_selected_field
|
|
pha
|
|
lda selected_field ; initial state is 0, so nothing
|
|
beq update ; to invert back to normal
|
|
|
|
cmp #1 ; day?
|
|
bne :+
|
|
jsr fill_day
|
|
jmp update
|
|
|
|
: cmp #2 ; month?
|
|
bne :+
|
|
jsr fill_month
|
|
jmp update
|
|
|
|
: jsr fill_year ; year!
|
|
|
|
update: pla ; update selection
|
|
sta selected_field
|
|
cmp #1
|
|
beq fill_day
|
|
cmp #2
|
|
beq fill_month
|
|
|
|
fill_year:
|
|
MGTK_CALL MGTK::PaintRect, year_rect
|
|
rts
|
|
|
|
fill_day:
|
|
MGTK_CALL MGTK::PaintRect, day_rect
|
|
rts
|
|
|
|
fill_month:
|
|
MGTK_CALL MGTK::PaintRect, month_rect
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Delay
|
|
|
|
.proc delay
|
|
lda #255
|
|
sec
|
|
loop1: pha
|
|
|
|
loop2: sbc #1
|
|
bne loop2
|
|
|
|
pla
|
|
sbc #1
|
|
bne loop1
|
|
rts
|
|
.endproc
|
|
|
|
;;; ==================================================
|
|
;;; Save/restore Zero Page
|
|
|
|
.proc save_zp
|
|
ldx #$00
|
|
loop: lda $00,x
|
|
sta zp_buffer,x
|
|
dex
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
.proc restore_zp
|
|
ldx #$00
|
|
loop: lda zp_buffer,x
|
|
sta $00,x
|
|
dex
|
|
bne loop
|
|
rts
|
|
.endproc
|
|
|
|
zp_buffer:
|
|
.res 256, 0
|
|
|
|
;;; ==================================================
|
|
;;; Convert number to two ASCII digits (in A, X)
|
|
|
|
.proc number_to_ascii
|
|
ldy #0
|
|
loop: cmp #10
|
|
bcc :+
|
|
sec
|
|
sbc #10
|
|
iny
|
|
jmp loop
|
|
|
|
: clc
|
|
adc #'0'
|
|
tax
|
|
tya
|
|
clc
|
|
adc #'0'
|
|
rts
|
|
.endproc
|
|
|
|
rts ; ???
|
|
|
|
last := *
|