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ring0_mipt |
/*
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* Coroutine switching test
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*
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* There are two coroutines in this test. The main coroutine calculates
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* CRC32 of the 1024-byte data block. The secondary coroutine simulates
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* a linear-feedback shift register (LFSR) with a polynom 1+x^6+x^7.
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* It is invoked by the timer interrupt.
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*/
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lc r100, 0x10000000 // test result output pointer
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lc r101, halt
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lc r102, failure
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lc r103, 0x20000000 // timer: number of pulses (0xFFFFFFFF - infinite)
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lc r104, 0x20000004 // timer: delay between pulses (in cycles)
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// Set up secondary routine (invoked by timer)
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mov r200, 127 // initial value
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lc r201, 250 // counter (number of LFSR iterations)
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mov r204, 0 // result
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lc r210, 0x10000008 // secondary routine output pointer
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lc iv0, timer_handler
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mov cr, 1 // enable interrupt 0
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sw r104, 100
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lc r0, 0xFFFFFFFF
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sw r103, r0 // activate timer, unlimited pulses
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// Main routine
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lc r16, 0x10000004 // output pointer
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lc r17, 0xFFFFFFFF // initial CRC value
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lc r18, 0xEDB88320 // polynom
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lc r19, data // input pointer
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lc r20, 256 // data block size in words
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lc r32, word_loop
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lc r33, bit_loop
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lc r34, dont_xor
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mov r64, 0 // word counter
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word_loop:
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lw r0, r19
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mov r65, 0 // bit counter
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bit_loop:
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and r1, r0, 1
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and r2, r17, 1
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sru r17, r17, 1
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xor r3, r1, r2
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cjmpe r34, r3, 0 // dont_xor
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xor r17, r17, r18
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dont_xor:
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sru r0, r0, 1
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add r65, r65, 1
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cjmpul r33, r65, 32 // bit_loop
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sw r16, r17
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add r19, r19, 4
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add r64, r64, 1
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cjmpul r32, r64, r20 // word_loop
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not r17, r17
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sw r16, r17
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// Check main routine result
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lc r0, 0x501860E6
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cjmpne r102, r0, r17
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// Wait until secondary routine finishes its job
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lc r0, wait_secondary
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wait_secondary:
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cjmpe r0, r204, 0
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// Check secondary routine result
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cjmpne r102, r204, 0x57
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sw r103, 0 // deactivate timer
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sw r100, 1
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jmp r101
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failure:
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sw r100, 2
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halt:
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hlt
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jmp r101
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timer_handler:
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sru r202, r200, 5
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sru r203, r200, 6
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xor r202, r202, r203
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and r202, r202, 1
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sl r200, r200, 1
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or r200, r200, r202
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and r200, r200, 0x7f
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sub r201, r201, 1
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cjmpug irp, r201, 0 // exit interrupt handler if r201>0
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mov r204, r200
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sw r210, r204
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mov cr, 0 // disable further interrupts
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iret
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.align
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data:
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.byte 0x00, 0x90, 0x31, 0xCF, 0x95, 0x7A, 0x59, 0xE5, 0xD2, 0xBF, 0x2C, 0xDB, 0xB5, 0x83, 0x4D, 0x03
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| 110 |
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.byte 0x17, 0x5D, 0x25, 0x2A, 0xFD, 0x72, 0x1E, 0x01, 0x02, 0x60, 0x88, 0x92, 0x9A, 0x9B, 0x2A, 0xA9
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| 111 |
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.byte 0x73, 0x5A, 0x0E, 0x9B, 0xC8, 0xCD, 0x85, 0x4D, 0xE0, 0xBA, 0xF4, 0xEC, 0x8A, 0x24, 0x76, 0x3C
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| 112 |
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.byte 0xDC, 0x35, 0xC7, 0xD7, 0xFF, 0xFF, 0x9C, 0x64, 0x44, 0x4C, 0xD7, 0x06, 0x60, 0x17, 0xAD, 0x0E
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| 113 |
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.byte 0x02, 0xEB, 0x46, 0x45, 0x96, 0xB0, 0xD6, 0xB9, 0x7C, 0x34, 0xBE, 0x77, 0x75, 0xF2, 0xBE, 0x1B
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| 114 |
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.byte 0x99, 0x62, 0xBC, 0x9B, 0x92, 0x5C, 0x26, 0x39, 0x6C, 0xCD, 0x84, 0xFD, 0xC0, 0x58, 0x2B, 0xA8
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| 115 |
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.byte 0x7D, 0x10, 0xB3, 0x81, 0x25, 0xF3, 0x24, 0xE7, 0xB1, 0x4D, 0x6D, 0x12, 0xF7, 0xAE, 0x27, 0xE0
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| 116 |
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.byte 0xD2, 0x95, 0x30, 0x2D, 0xD1, 0x79, 0x27, 0x81, 0xBB, 0x67, 0x47, 0x91, 0xAE, 0xC1, 0xB8, 0x79
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| 117 |
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.byte 0x1F, 0x5E, 0xD5, 0x08, 0x84, 0xA9, 0x6D, 0x1A, 0xF3, 0xEB, 0x8C, 0x58, 0x78, 0x5F, 0xD8, 0x51
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| 118 |
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.byte 0x74, 0x45, 0xFB, 0x4C, 0xBD, 0x91, 0x32, 0xC2, 0xD6, 0x65, 0x80, 0xE3, 0x07, 0xFE, 0x92, 0x0C
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| 119 |
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.byte 0x88, 0x31, 0xD7, 0xA0, 0xA8, 0x32, 0xD7, 0x1F, 0x1C, 0xBE, 0x50, 0xF0, 0x49, 0x56, 0x23, 0xBB
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| 120 |
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.byte 0xD5, 0xB5, 0x99, 0xBF, 0x40, 0x24, 0x00, 0x0F, 0xCE, 0xDA, 0x35, 0x1D, 0x8D, 0x03, 0x1D, 0x74
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| 121 |
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.byte 0xC0, 0xAF, 0x8B, 0x12, 0x6F, 0x33, 0xB2, 0x4A, 0x6F, 0x3B, 0x93, 0x88, 0xA0, 0x29, 0x81, 0xF6
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| 122 |
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.byte 0xB2, 0xEC, 0x30, 0x56, 0x2D, 0xFE, 0x75, 0xFF, 0x18, 0xA0, 0x18, 0x70, 0xEE, 0x0C, 0xE5, 0x4A
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.byte 0x3A, 0xC4, 0x69, 0x33, 0xA0, 0x9A, 0x73, 0x77, 0x99, 0xA2, 0xDA, 0xD4, 0x9F, 0xB8, 0x90, 0x60
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| 124 |
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.byte 0x2F, 0xBC, 0x8E, 0xE7, 0x3E, 0x30, 0x9A, 0xB2, 0x95, 0x59, 0x7E, 0x14, 0xBD, 0x9C, 0x9E, 0xB0
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| 125 |
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.byte 0xCD, 0x26, 0x93, 0xDE, 0xE9, 0x9D, 0xBA, 0x0B, 0xAA, 0xF9, 0x50, 0x91, 0x4E, 0x2C, 0x1B, 0xDE
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| 126 |
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.byte 0xD9, 0xBE, 0x27, 0x53, 0x14, 0x13, 0xA4, 0xD1, 0x8B, 0x72, 0x68, 0x4C, 0x77, 0x80, 0x27, 0x52
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| 127 |
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.byte 0xBC, 0x50, 0xD3, 0xF5, 0xDF, 0xB9, 0x4C, 0xF1, 0x20, 0x10, 0xC8, 0x86, 0x9C, 0xF4, 0x12, 0xE0
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| 128 |
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.byte 0xA7, 0x52, 0x1A, 0x81, 0x3A, 0x4A, 0xEB, 0x8D, 0xA9, 0x1D, 0x7E, 0x61, 0x7F, 0xCB, 0x82, 0x61
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| 129 |
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.byte 0xB0, 0x88, 0x9B, 0x65, 0x01, 0xB5, 0x19, 0x9F, 0xDC, 0x7D, 0xBF, 0x7F, 0x61, 0xC9, 0x8D, 0x5B
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| 130 |
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.byte 0xF4, 0xA1, 0x2D, 0x5F, 0x21, 0xBE, 0xF3, 0x9C, 0x07, 0x54, 0x0E, 0xA3, 0x21, 0xD8, 0xDD, 0x98
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| 131 |
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.byte 0xB8, 0xDA, 0x03, 0x20, 0xB5, 0x9D, 0x37, 0x10, 0x2B, 0x9F, 0x57, 0x51, 0x5E, 0xA9, 0xCD, 0xCE
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| 132 |
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.byte 0x86, 0x9C, 0xCC, 0xE6, 0x25, 0xA1, 0x67, 0x40, 0x22, 0xDA, 0x10, 0x6D, 0x92, 0x4D, 0x8C, 0x39
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| 133 |
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.byte 0x4F, 0x1C, 0xCE, 0x22, 0x48, 0xC9, 0xE5, 0xCA, 0xBE, 0x9D, 0x5C, 0xDB, 0x3A, 0xDD, 0x3A, 0x3F
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| 134 |
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.byte 0x8A, 0xFC, 0x0D, 0x14, 0x86, 0x6D, 0x18, 0x42, 0xE4, 0x3B, 0x25, 0x20, 0xEE, 0x14, 0x0C, 0x0F
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| 135 |
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.byte 0x56, 0xEA, 0x66, 0x6E, 0xF2, 0xD6, 0x88, 0xD7, 0xB1, 0x65, 0x42, 0x01, 0x86, 0xF4, 0x66, 0x3D
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| 136 |
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.byte 0x95, 0x41, 0xAF, 0xF1, 0x6F, 0xE3, 0x01, 0xF0, 0x99, 0xC9, 0x93, 0x24, 0x38, 0x62, 0x01, 0x6A
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| 137 |
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.byte 0x15, 0xA8, 0xDA, 0x10, 0xCF, 0xA9, 0xB1, 0xCD, 0x87, 0xAF, 0x24, 0xB0, 0xBA, 0xC7, 0x07, 0xDE
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| 138 |
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.byte 0xA4, 0xB4, 0x15, 0x8D, 0xF2, 0x0F, 0x46, 0x25, 0xFB, 0x9E, 0x4A, 0xEC, 0x5E, 0xB1, 0x37, 0x27
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| 139 |
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.byte 0x3D, 0x85, 0xE6, 0x1B, 0xE7, 0x71, 0x14, 0xC8, 0x2B, 0xF9, 0xC6, 0xDE, 0x35, 0x74, 0x00, 0xC0
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| 140 |
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.byte 0x1D, 0x67, 0x4F, 0xFE, 0x09, 0x40, 0x30, 0x3F, 0x27, 0x9E, 0xE2, 0xF0, 0x32, 0xC7, 0xA5, 0xA8
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| 141 |
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.byte 0xE8, 0x74, 0xEB, 0xAA, 0x26, 0xA2, 0x91, 0x6C, 0xF1, 0x8A, 0x94, 0x89, 0x41, 0x65, 0x59, 0x09
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| 142 |
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.byte 0xCB, 0x32, 0x11, 0x63, 0x97, 0x12, 0x32, 0x27, 0xA4, 0x74, 0x9A, 0xB2, 0x70, 0xAF, 0x65, 0xD5
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| 143 |
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.byte 0x97, 0x33, 0xF3, 0xE0, 0x64, 0xFC, 0x2F, 0xE5, 0x93, 0x71, 0xA0, 0xB5, 0x0C, 0x49, 0x42, 0x68
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| 144 |
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.byte 0xE5, 0xB5, 0xBA, 0xE5, 0x64, 0x65, 0xE7, 0x4F, 0x63, 0x92, 0x5A, 0xBB, 0xBE, 0xBC, 0xBD, 0x23
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| 145 |
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.byte 0x33, 0x45, 0xAE, 0xE9, 0x5E, 0x84, 0x1C, 0xE8, 0x33, 0x84, 0xA7, 0x70, 0xB0, 0x17, 0x14, 0x13
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| 146 |
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.byte 0x07, 0x5A, 0x4E, 0xB2, 0x24, 0x65, 0x11, 0xAC, 0xB9, 0x32, 0xB1, 0x9D, 0xA7, 0x8B, 0x19, 0x8B
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| 147 |
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.byte 0x0C, 0xF9, 0x76, 0xF8, 0xBA, 0x87, 0xAE, 0xB1, 0x5F, 0x63, 0x0C, 0xCF, 0x2B, 0x0F, 0x4F, 0xC8
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| 148 |
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.byte 0x36, 0x52, 0x7C, 0x02, 0x70, 0x82, 0x9B, 0xC2, 0x66, 0x59, 0xD7, 0xF1, 0x9F, 0xFF, 0x0D, 0x90
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| 149 |
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.byte 0xDD, 0x63, 0x4E, 0x48, 0x06, 0x9C, 0x64, 0x04, 0x07, 0x74, 0xDB, 0xEF, 0x66, 0xBA, 0x9C, 0xCE
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| 150 |
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.byte 0xE0, 0x95, 0x98, 0x14, 0xCB, 0x76, 0x97, 0x96, 0x91, 0xD0, 0xAC, 0x57, 0x02, 0x44, 0x57, 0x3B
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| 151 |
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.byte 0xC5, 0x5F, 0xDE, 0x1D, 0xB9, 0xA1, 0xE4, 0x2E, 0x89, 0xE6, 0xC7, 0xF7, 0x32, 0xE6, 0xCC, 0xF4
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| 152 |
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.byte 0xD9, 0xE3, 0xA0, 0x2F, 0x9D, 0x43, 0x40, 0xBB, 0xC9, 0x2B, 0xB6, 0x7B, 0x14, 0xCE, 0xDA, 0x1F
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| 153 |
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.byte 0x4E, 0x92, 0x79, 0xC3, 0x31, 0xBA, 0xFE, 0x03, 0xA5, 0xB1, 0x2C, 0x12, 0x46, 0xAD, 0xD6, 0x8E
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| 154 |
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.byte 0x5F, 0xC7, 0x3B, 0xA3, 0x3B, 0x34, 0xF8, 0x48, 0x05, 0xC4, 0x26, 0x0C, 0x02, 0x59, 0xA4, 0x57
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| 155 |
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.byte 0x6A, 0x6A, 0x17, 0x8B, 0xB3, 0x56, 0xA8, 0xE0, 0x89, 0x91, 0x0D, 0x77, 0x42, 0x6D, 0xDD, 0x7C
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| 156 |
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.byte 0x16, 0x90, 0xB5, 0xC7, 0xDD, 0xD9, 0x4B, 0xDD, 0xA5, 0xBF, 0xD4, 0xC3, 0xDF, 0xE8, 0xE9, 0x85
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| 157 |
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.byte 0x70, 0x1B, 0x5A, 0xD2, 0x6D, 0x2B, 0x00, 0xA8, 0xC6, 0x10, 0x16, 0x62, 0xAF, 0xCE, 0x27, 0x24
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| 158 |
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.byte 0x0C, 0x58, 0x04, 0xFA, 0xA5, 0x0D, 0xEA, 0xA3, 0x6E, 0x05, 0x3E, 0x64, 0xA7, 0xC8, 0x05, 0xD3
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| 159 |
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.byte 0x23, 0xA2, 0x8C, 0xFB, 0x76, 0x36, 0x4C, 0xC8, 0x57, 0x7B, 0x9B, 0x1A, 0xFC, 0xC1, 0x26, 0x74
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| 160 |
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.byte 0xB6, 0xFF, 0xC6, 0xA4, 0x9F, 0xF2, 0xB0, 0x4A, 0x91, 0x4A, 0x8C, 0xB6, 0x3F, 0x8B, 0x7E, 0xF3
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| 161 |
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.byte 0xAB, 0xC3, 0x9F, 0x72, 0xCC, 0xBE, 0xFD, 0x34, 0xA1, 0xE8, 0x97, 0xEB, 0x81, 0x7D, 0x73, 0xE3
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| 162 |
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.byte 0xF0, 0x2E, 0x40, 0x33, 0xBB, 0xF0, 0xA0, 0x0A, 0xA4, 0x08, 0x8E, 0x8B, 0x72, 0x0F, 0xFE, 0x20
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| 163 |
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.byte 0x99, 0x0C, 0x2C, 0xA9, 0x55, 0x50, 0xA7, 0x69, 0x6D, 0x38, 0xAD, 0x2A, 0x7F, 0x81, 0xCD, 0x6F
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| 164 |
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.byte 0x01, 0x56, 0x60, 0x20, 0xD3, 0xBB, 0xE4, 0xA4, 0xA6, 0x83, 0xBB, 0xBC, 0xF5, 0x77, 0x5C, 0x1C
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| 165 |
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.byte 0xE7, 0xD2, 0x74, 0x1B, 0xDE, 0xC2, 0x0A, 0x6A, 0xEF, 0x11, 0x2A, 0x36, 0x1D, 0x97, 0x1E, 0x9E
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| 166 |
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.byte 0x94, 0xB0, 0xBB, 0xEA, 0xAB, 0x4C, 0xCF, 0x60, 0xFF, 0xC5, 0x34, 0x2B, 0x63, 0x2E, 0x94, 0x32
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| 167 |
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.byte 0xF5, 0x30, 0x61, 0x4D, 0x1E, 0x32, 0x0B, 0xC5, 0xC2, 0xE1, 0x00, 0x72, 0x6D, 0xCD, 0x76, 0x7E
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| 168 |
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.byte 0xBF, 0x3D, 0x8F, 0x17, 0xEC, 0xE4, 0xDB, 0x0F, 0x7D, 0xA1, 0xBF, 0xC1, 0x41, 0xE8, 0xCA, 0x33
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| 169 |
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.byte 0x8D, 0x0D, 0x85, 0xCA, 0xB4, 0x06, 0xBB, 0x8D, 0xEA, 0xE0, 0xCC, 0x4E, 0x65, 0x7B, 0x0D, 0xA6
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| 170 |
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.byte 0x00, 0xC4, 0xC1, 0x38, 0x27, 0x0E, 0xAB, 0x08, 0x58, 0xB2, 0xCC, 0x6F, 0xFB, 0xA2, 0x4B, 0x7A
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| 171 |
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.byte 0xDF, 0x14, 0x19, 0x24, 0x24, 0xEB, 0x4F, 0x5F, 0xD0, 0x0B, 0xD0, 0x3D, 0xE5, 0x41, 0x44, 0x35
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| 172 |
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.byte 0x3A, 0xD8, 0xDF, 0xE3, 0xD8, 0x9B, 0x0A, 0x2C, 0x2F, 0x5B, 0x73, 0x2F, 0xE4, 0x9F, 0x8B, 0xE9
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