.globl _bootblock, _bootblock_end _bootblock: lea DosName(PC),A1 jsr -96(A6) /* FindResident */ tst.l D0 beq.s fail move.l D0,A0 move.l 22(A0),A0 /* RT_INIT */ jsr (A0) fail: rts DosName: .asciz "dos.library" _bootblock_end: