.setcpu "6502" .include "apple2.inc" .include "../inc/apple2.inc" .include "../inc/prodos.inc" .include "../mgtk.inc" .include "../desktop.inc" .include "../macros.inc" ;;; ============================================================ .org $800 ;;; ============================================================ jmp copy2aux stash_stack: .byte $00 ;;; ============================================================ ;;; MLI Call Param Blocks filename: PASCAL_STRING "MD.SYSTEM" DEFINE_OPEN_PARAMS open_params, filename, $900 DEFINE_SET_MARK_PARAMS set_mark_params, 3 DEFINE_WRITE_PARAMS write_params, write_buffer, sizeof_write_buffer DEFINE_CLOSE_PARAMS close_params 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 copy16 #start, STARTLO copy16 #end, ENDLO copy16 #start, DESTINATIONLO sec jsr AUXMOVE copy16 #start, XFERSTARTLO 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 ldax #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 ldax #set_mark_params jsr JUMP_TABLE_MLI bne close ldy #WRITE ; write the date ldax #write_params jsr JUMP_TABLE_MLI close: ldy #CLOSE ; close the file ldax #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 #CHAR_RETURN bne :+ jmp on_ok : cmp #CHAR_ESCAPE bne :+ jmp on_cancel : cmp #CHAR_LEFT beq on_key_left cmp #CHAR_RIGHT beq on_key_right cmp #CHAR_DOWN beq on_key_down cmp #CHAR_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 copy16 hit_target_jump_table,y, jump+1 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: copy16 #decrement_table, ptr jmp go incr: copy16 #increment_table, ptr 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 copy16 #str, ptr 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 copy16 event_params::xcoord, screentowindow_params::screenx copy16 event_params::ycoord, screentowindow_params::screeny MGTK_CALL MGTK::ScreenToWindow, screentowindow_params MGTK_CALL MGTK::MoveTo, screentowindow_params::window ldx #1 copy16 #first_hit_rect, test_addr 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 := *