mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-17 14:12:58 +00:00
135 lines
1.8 KiB
ArmAsm
135 lines
1.8 KiB
ArmAsm
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;===================================
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;===================================
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; load the game
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;===================================
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;===================================
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load_game:
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bit KEYRESET ; clear keyboard buffer
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bit SET_TEXT ; set text mode
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lda #' '|$80
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sta clear_all_color+1
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jsr clear_all ; clear screen
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lda #<load_message
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sta OUTL
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lda #>load_message
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sta OUTH
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jsr move_and_print
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lda #<are_you_sure
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sta OUTL
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lda #>are_you_sure
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sta OUTH
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jsr move_and_print
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jsr page_flip
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wait_load_confirmation:
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lda KEYPRESS
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bpl wait_load_confirmation
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bit KEYRESET ; clear keypress
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and #$7f
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cmp #'Y'
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bne done_load
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; actually load it
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lda #<save_filename
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sta OUTL
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lda #>save_filename
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sta OUTH
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jsr opendir_filename
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; copy to zero page
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ldx #0
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load_loop:
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lda $e00,X
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sta WHICH_LOAD,X
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inx
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cpx #(END_OF_SAVE-WHICH_LOAD)
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bne load_loop
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lda #$ff
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sta LEVEL_OVER
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done_load:
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bit SET_GR ; turn graphics back on
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rts
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;===================================
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;===================================
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; save the game
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;===================================
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;===================================
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; doesn't do anything yet
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save_game:
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bit KEYRESET ; clear keyboard buffer
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bit SET_TEXT ; set text mode
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lda #' '|$80
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sta clear_all_color+1
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jsr clear_all ; clear screen
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lda #<save_message
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sta OUTL
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lda #>save_message
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sta OUTH
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jsr move_and_print
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lda #<are_you_sure
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sta OUTL
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lda #>are_you_sure
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sta OUTH
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jsr move_and_print
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jsr page_flip
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wait_save_confirmation:
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lda KEYPRESS
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bpl wait_save_confirmation
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bit KEYRESET ; clear keypress
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and #$7f
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cmp #'Y'
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bne done_load
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; actually load it
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done_store:
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bit SET_GR ; turn graphics back on
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rts
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load_message:
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.byte 10,5,"LOAD GAME FROM DISK",0
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save_message:
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.byte 11,5,"SAVE GAME TO DISK",0
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are_you_sure:
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.byte 10,7,"ARE YOU SURE? (Y/N)",0
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save_filename:
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.byte "SAVE0",0
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