57 lines
690 B
ArmAsm
57 lines
690 B
ArmAsm
.include "t-macros.i"
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start
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# ensure that the US bit is clear
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load r2 0xff
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stsr psw, r3
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and r2, r3
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ldsr r3, psw
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# put something into EP
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load ep ep_base
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test_sldb1:
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sld.b 0[ep], r4
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check1 r4 0xffffff80
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test_sldbu1:
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sld.bu 0[ep], r4
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check1 r4, 0x80
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test_sldh1:
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sld.h 0[ep], r4
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check1 r4 0xffff8080
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test_sldhu1:
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sld.hu 0[ep], r4
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check1 r4, 0x8080
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# Now set the US bit
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load r2 0x100
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stsr psw, r3
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or r2, r3
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ldsr r3, psw
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test_sldb2:
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sld.b 0[ep], r4
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check1 r4, 0x80
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test_sldbu2:
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sld.bu 0[ep], r4
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check1 r4 0xffffff80
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test_sldh2:
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sld.h 0[ep], r4
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check1 r4, 0x8080
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test_sldhu2:
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sld.hu 0[ep], r4
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check1 r4 0xffff8080
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exit0
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ep_base:
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.short 0x8080
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