6809 Disassembler

FLEX is the name of the Operating System for the Motorola 6800 and 6809. IDA can disassemble OS9 object and FLEX STX files

Assembler code\

TEXT:102F                 bcs     loc_1065
TEXT:1031                 leax    ,u
TEXT:1033
TEXT:1033 loc_1033                                * CODE XREF: start+25↓j
TEXT:1033                 clr     ,x+
TEXT:1035                 subd    #1
TEXT:1038                 bhi     loc_1033
TEXT:103A                 stu     $80
TEXT:103C                 ldd     ,s++
TEXT:103E                 std     $B0
TEXT:1040                 ldd     ,s++
TEXT:1042                 leax    d,u
TEXT:1044                 stx     $82
TEXT:1046                 ldd     $B0
TEXT:1048                 leax    d,x
TEXT:104A                 stx     $B0
TEXT:104C                 ldx     $88
TEXT:104E                 OS9     F$All64 * '0'   * Allocate Process/Path Descriptor
TEXT:1051                 bcs     loc_1065
TEXT:1053                 stx     $88
TEXT:1055                 OS9     F$Ret64 * '1'   * Return Process/Path Descriptor
TEXT:1058                 leax    word_16A2,pc
TEXT:105C                 stx     $26
TEXT:105E                 leay    word_1067,pc
TEXT:1061                 OS9     F$SSvc * '2'    * Service Request Table Initialization
TEXT:1064                 rts
TEXT:1065 * ---------------------------------------------------------------------------
TEXT:1065
TEXT:1065 loc_1065                                * CODE XREF: start+1C↑j
TEXT:1065                                         * start+3E↑j
TEXT:1065                 jmp     $6B
TEXT:1065 * End of function start
TEXT:1065
TEXT:1065 * ---------------------------------------------------------------------------
TEXT:1067 word_1067       fdb $7F00               * DATA XREF: start+4B↑r