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https://github.com/mi57730/a2d.git
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102 lines
2.7 KiB
ArmAsm
102 lines
2.7 KiB
ArmAsm
;;; ============================================================
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;;; Overlay for Disk Copy - $0800 - $09FF (file 1/4)
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;;; ============================================================
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.proc disk_copy_overlay
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.org $800
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jmp start
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load_target := $1800
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;;; ============================================================
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;;; Menu - relocated up ot $D400
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menu_target := $D400
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.proc menu_bar
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DEFINE_MENU_BAR 1
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DEFINE_MENU_BAR_ITEM 1, menu_target + (menu_label - menu_bar), menu_target + (menu - menu_bar)
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menu: DEFINE_MENU 1
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DEFINE_MENU_ITEM menu_target + (item_label - menu_bar)
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menu_label:
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PASCAL_STRING .sprintf(" Disk copy version %d.%d ",::VERSION_MAJOR,::VERSION_MINOR)
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item_label:
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PASCAL_STRING "Rien"
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.endproc
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;;; ============================================================
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DEFINE_OPEN_PARAMS open_params, str_desktop2, $1C00
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DEFINE_SET_MARK_PARAMS set_mark_params, $131E0
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DEFINE_READ_PARAMS read_params, load_target, $200
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DEFINE_CLOSE_PARAMS close_params
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str_desktop2:
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PASCAL_STRING "DeskTop2"
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;;; ============================================================
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ptr := $6
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start: lda #$80
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sta ptr
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DESKTOP_RELAY_CALL DT_UNHIGHLIGHT_ALL
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MGTK_RELAY_CALL MGTK::CloseAll
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MGTK_RELAY_CALL MGTK::SetZP1, ptr
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;; Copy menu bar up to language card, and use it.
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COPY_BYTES .sizeof(menu_bar)+1, menu_bar, $D400
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MGTK_RELAY_CALL MGTK::SetMenu, menu_target
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;; Clear most of the system bitmap
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ldx #BITMAP_SIZE - 3
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lda #0
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: sta BITMAP+1,x
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dex
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bpl :-
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;; Open self (DESKTOP2)
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yax_call MLI_RELAY, OPEN, open_params
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;; Slurp in yet another overlay...
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lda open_params::ref_num
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sta read_params::ref_num
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sta set_mark_params::ref_num
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yax_call MLI_RELAY, SET_MARK, set_mark_params
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yax_call MLI_RELAY, READ, read_params
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yax_call MLI_RELAY, CLOSE, close_params
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;; And invoke it.
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sta ALTZPOFF
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lda ROMIN2
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jmp load_target
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;;; ============================================================
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.proc MLI_RELAY
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sty call
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sta params
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stx params+1
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sta ALTZPOFF
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lda ROMIN2
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jsr MLI
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call: .byte 0
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params: .addr 0
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tax
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sta ALTZPON
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lda LCBANK1
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lda LCBANK1
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txa
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self: bne self ; hang on error?
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rts
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.endproc
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;;; ============================================================
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PAD_TO $A00
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.endproc ; disk_copy_overlay
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