84 lines
1.6 KiB
Plaintext
84 lines
1.6 KiB
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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# Misc. instructions #
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#---------------------------------------------------------------------------#
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#
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# Do nothing (NOOP)
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#
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# (nothing)
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#
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# Throws:
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# (nothing)
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#
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# Preserves all flags
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#
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nop
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#
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# Pause the CPU for a very short amount of time (PAUSE)
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# Used in spin-like loops
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#
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pause
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#
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# Pause the CPU for a relatively long time (XPAUSE)
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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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xpause
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#
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# Get timestamp in seconds
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#
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time r
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#
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# Get timestamp in µseconds
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#
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utime r
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#
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# CPU Identification Number
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#
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# Does nothing (for now)
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#
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cpuid
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#---------------------------------------------------------------------------#
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# Clean-up misc. instructions #
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#---------------------------------------------------------------------------#
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#
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# Clear base volatile registers (CLR)
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#
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# RAX = RBX = RCX = RDX = 0
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# RSX = RBI = RDI = RSI = 0
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#
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clr
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#
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# Clear argument registers (CLA)
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#
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# AX0 = AX1 = AX2 = AX3 = 0
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# AX4 = AX5 = AX6 = AX7 = 0
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#
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cla
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#---------------------------------------------------------------------------#
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# Byte-wise / bit-wise manipulation instructions #
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#---------------------------------------------------------------------------#
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#
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# Byte/word/dword swap (xSWAP)
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#
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# Change endianness
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#
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bswap r r
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wswap r r
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dswap r r
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