86 lines
1.5 KiB
Plaintext
86 lines
1.5 KiB
Plaintext
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#
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mes 2, EM_WSIZE, EM_PSIZE
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/*
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* Test _exg_ by loading 40 bytes from _src_, then exchanging 20 and
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* 20 bytes, and checking the result.
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*/
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exa src
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src
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con 1539465570I4, 1344465418I4, 1317578918I4, 1163467696I4, 2645261331I4
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con 3981585269I4, 1433968975I4, 4256886989I4, 4114909542I4, 1817334375I4
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exp $check
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exp $_m_a_i_n
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pro $_m_a_i_n, 0
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lae src
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loi 40
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exg 20
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cal $check
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cal $finished
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end /* $_m_a_i_n */
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pro $check, 2 * EM_PSIZE + EM_WSIZE
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#define p1 (-1 * EM_PSIZE)
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#define p2 (-2 * EM_PSIZE)
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#define i (p2 - EM_WSIZE)
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lae src
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lal p2
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sti EM_PSIZE /* p2 = src */
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lal 0
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adp 20
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lal p1
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sti EM_PSIZE /* p1 = exchanged copy + 20 */
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/* Loop 40 times to verify each byte. */
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loc 0
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stl i
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1
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lal p2
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loi EM_PSIZE
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loi 1 /* byte from src */
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loc 1
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loc EM_WSIZE
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cii
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lal p1
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loi EM_PSIZE
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loi 1 /* byte from exchanged copy */
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loc 1
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loc EM_WSIZE
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cii
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beq *2
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lol i
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loc EM_WSIZE
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loc 4
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cuu
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cal $fail
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asp 4
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2
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lal p2
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loi EM_PSIZE
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adp 1
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lal p2
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sti EM_PSIZE /* increment p2 */
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lal p1
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loi EM_PSIZE /* p1 */
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inl i
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/* When i reaches 20, p1 would reach end of exchanged copy. */
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lol i
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loc 20
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beq *3
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adp 1 /* p1 + 1 */
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bra *4
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3
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adp -39 /* p1 - 39, beginning of exchanged copy */
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4
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lal p1
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sti EM_PSIZE /* move p1 */
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lol i
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loc 40
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blt *1
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ret 0
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end /* $check */
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