49 lines
1.3 KiB
ArmAsm
Executable File
49 lines
1.3 KiB
ArmAsm
Executable File
* External references
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_CLOSE EXT
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D:CCREF EXT
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DOQUIT EXT
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MAIN EXT
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********************************
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* Reset routine handler. *
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********************************
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RESETUP ENT
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LDY #0 ; save old reset
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:0 LDA $3F2,Y ; handler
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STA RESTORE,Y
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INY
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CPY #3
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BLT :0
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LDA #<DORESET ; install my own reset
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STA $3F2 ; handler
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LDA #>DORESET
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STA $3F3
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EOR #$A5
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STA $3F4
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RTS
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RESTORE ENT
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HEX 000000 ; store old reset bytes
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********************************
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* Actual reset routine: *
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* close all files, *
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* print message, *
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* and call DOQUIT *
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********************************
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DORESET @CLOSE #0 ; close all files
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JSR TEXT
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JSR CLRSCRN
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PRINT RESETMSG
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LDY #5 ; pause a bit
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:LOOP LDA #255
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JSR WAIT
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DEY
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BNE :LOOP
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JSR DOQUIT
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JMP MAIN
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RESETMSG HEX 4A83
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ASC "You didn't really want to do"8D83
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ASC "that now, did you?"00
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