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40 lines
791 B
ArmAsm
40 lines
791 B
ArmAsm
;===============================
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; print help message when flying
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;===============================
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print_help:
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lda #$a0
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jsr clear_top_a
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bit SET_TEXT
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jsr normal_text
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lda #<(help_message)
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sta OUTL
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lda #>(help_message)
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sta OUTH
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jsr move_and_print_list
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jsr page_flip
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jsr wait_until_keypressed
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bit SET_GR ; set graphics
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rts
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help_message:
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.byte 14,1,"FLYING HELP",0
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.byte 3,4, "A/D,<-/-> - TURN",0
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.byte 3,5, "W/S,UP/DOWN - CHANGE ALTITUDE",0
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.byte 3,6, "Z/X - SPEED UP / SLOW DOWN",0
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.byte 3,7, "SPACE - STOP",0
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.byte 3,8, "RETURN - LAND",0
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.byte 3,11,"Q,ESC - QUIT",0
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.byte 3,12,"J - ENABLE JOYSTICK",0
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.byte 3,13,"CONTROL-T - TOGGLE SOUND",0
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.byte $ff
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