;-------------------------------
; IDHolle
; identify Dav Holle's encrypted bootloader
;
; in:    $0800..$08FF contains T00,S00
;        first page of track buffer also contains T00,S00
;        A = 0
;        X = 0
; out:   C clear if Holle bootloader found
;        C set otherwise
;        A = 0
;        X = 0
;        all other registers & flags clobbered
;-------------------------------
!macro IDHolle {
         ldy   #$10
         jsr   compare    ; if T00,S00,$00 ==
         !byte $01
         !byte $D8        ; CLD
         !byte $2C,$81,$C0; BIT $C081
         !byte $A9,$60    ; LDA #$60
         !byte $4D,$58,$FF; EOR $FF58
         !byte $D0,$FE    ; BNE
         !byte $8D,$F3,$03; STA $03F3
         !byte $78
                          ; passport-test-suite/Crime Wave.woz [C=0] matches
}