Error : A1163: Unknown opcode _start , expecting opcode or Macro

Error   : A1163:  Unknown opcode _start , expecting opcode or Macro
start.S line 1   .globl _start


armasm :     1 00000000 .globl _start




Error   : A1167:  Invalid line start 
start.S line 3   


armasm :     3 00000000 _start:




Error   : A1163:  Unknown opcode Peripheral , expecting opcode or Macro
start.S line 5   t


armasm :     5 00000000 // Peripheral Port Setup




Error   : A1105:  Area directive missing
start.S line 6   


armasm :     6 00000000  ldr r0,=0x70000000




Warning : A1088:  Faking declaration of area AREA |$$$$$$$|
start.S line 6   


armasm :     6 00000000  ldr r0,=0x70000000




Error   : A1163:  Unknown opcode Close , expecting opcode or Macro
start.S line 10   t


armasm :    10 00000008 // Close Watch Dog




Error   : A1163:  Unknown opcode Setup , expecting opcode or Macro
start.S line 15   t


armasm :    15 00000014 // Setup GPKCON1




Error   : A1163:  Unknown opcode Setup , expecting opcode or Macro
start.S line 20   t


armasm :    20 00000020 // Setup GPKDAT




Error   : A1163:  Unknown opcode loop , expecting opcode or Macro
start.S line 24   t


armasm :    24 0000002c // loop




Error   : A1167:  Invalid line start 
start.S line 25   


armasm :    25 0000002c loop: 




Error   : A1167:  Invalid line start 
start.S line 29   


armasm :    29 00000038 loop1:




Error   : A1163:  Unknown opcode delay , expecting opcode or Macro
start.S line 39   t


armasm :    39 00000058 // delay




Error   : A1167:  Invalid line start 
start.S line 40   


armasm :    40 00000058 delay:




Error   : A1167:  Invalid line start 
start.S line 42   


armasm :    42 0000005c DelayLoop:




Error   : A1167:  Invalid line start 
start.S line 48   


armasm :    48 0000006c halt:




Warning : A1313:  Missing END directive at end of file
start.S line 50   


armasm :    50 00000070 




armasm : 14 Errors, 2 Warnings




Error   : armasm Compile exit status = 2