64 lines
944 B
PHP
64 lines
944 B
PHP
.macro RESET
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movw $0x0B00, r0
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movw $0x0A01, r1
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movw $0x0902, r2
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movw $0x0803, r3
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movw $0x0704, r4
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movw $0x0605, r5
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movw $0x0506, r6
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movw $0x0407, r7
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movw $0x0308, r8
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movw $0x0209, r9
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movw $0x010A, r10
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movw $0x000B, r11
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.endm
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.macro EXPECT expected, in
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cmpw $\expected, \in
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bne .fail
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.endm
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.macro EXPECT_COND cond
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b\cond 1f
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br .fail
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1:
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.endm
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.macro ENDING
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movw $0, r0
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excp UND
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.endm
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.macro FAIL_HANDLER
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.fail:
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movw $1, r0
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excp UND
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.endm
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/* Helper macro to set the carry flag */
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/* Sets r10 to one */
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.macro SETC
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movw $-1, r10
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addw $2, r10
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.endm
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/* Helper macro to clear the carry flag */
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/* Sets r10 to one */
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.macro CLEARC
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movw $0, r10
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addw $1, r10
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.endm
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/* Helper macro to set the signed overflow flag */
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/* Sets r11 to zero */
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.macro SETF
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movw $-0x8000, r11
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addw $-0x8000, r11
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.endm
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/* Helper macro to clear the signed overflow flag */
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/* Sets r11 to zero */
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.macro CLEARF
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movw $-1, r11
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addb $1, r11
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.endm
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