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56 lines
854 B
Plaintext
56 lines
854 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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# Stack manipulation instructions #
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#---------------------------------------------------------------------------#
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#
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# Unconditional jump with possible return (CALL)
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#
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# PUSH(RIP)
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# JMP(RIP)
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#
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call ri
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#
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# Return to caller (RET)
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#
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# POP(RIP)
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#
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ret
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#
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# Make new stack frame (ENTER)
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#
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# PUSH(RBP)
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# RBP = RSP
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# RSP = RSP - $1
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#
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enter i
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#
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# Leave stack frame (LEAVE)
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#
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# RSP = RBP
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# POP(RBP)
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#
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leave
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#
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# PUSH value onto stack
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#
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# RSP = RSP - 8
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# *RSP = $1
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#
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push ri
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#
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# POP value from stack
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#
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# $1 = *RSP
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# RSP = RSP + 8
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#
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pop r
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