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46 lines
803 B
Plaintext
46 lines
803 B
Plaintext
# The OS/K Team licenses this file to you under the MIT license.
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# See the LICENSE file in the project root for more information.
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#---------------------------------------------------------------------------#
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# Flag manipulation instructions #
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#---------------------------------------------------------------------------#
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#
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# Clear or set interrupt flag (CLI/STI)
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#
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# Throws:
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# #SYS if not in supervisor mode
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#
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cli
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sti
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#
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# Clear or set direction flag (CLD/STD)
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#
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cld
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std
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#
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# Complement, clear or set carry flag (CMC/CLC/STC)
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#
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cmc
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clc
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stc
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#
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# Load FLG register (LODF)
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#
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# $1 = FLG
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#
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lodf rm
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#
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# Store FLG register - lower byte only (STOFB)
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#
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# FLG[7:0] = $1[7:0]
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#
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# Note: FLG's lower byte contains CF, OF, ZF, SF, PF and DF
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#
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stofb rm
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