2017-03-11 08:19:40 +00:00
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; This is the dispatch routine to call the primary ROM 5X
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; functions of intercepting RESET and the boot process.
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; If one enters at $CFF9, the command $A9 is loaded and
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; we go to the BELL1 hijack. If entering at $CFFA, we
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; load the command $EA and proceed the same way.
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; thus we get two dispatch codes in 6 bytes.
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2017-02-12 19:53:47 +00:00
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#include "iic+.defs"
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.text
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2017-03-11 08:19:40 +00:00
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* = $cff9 ; 7 bytes available here, but don't count on $CFFF
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2017-02-12 19:53:47 +00:00
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lda #$a9 ; lda opcode
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nop ; jmp/jsr $cffa does lda #$ea
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jmp $fbdf ; jump to bell1 hijack
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; total 6 bytes.
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