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28 lines
1.0 KiB
NASM
28 lines
1.0 KiB
NASM
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// Load a byte from the given segment of the current context's memory space.
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// Note that main memory values are one byte each, but in general memory values
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// can be 256 bits. This macro deals with a single address (unlike MSTORE), so
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// if it is used with main memory, it will load a single byte.
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%macro mload_current(segment)
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// stack: offset
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PUSH $segment
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// stack: segment, offset
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CURRENT_CONTEXT
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// stack: context, segment, offset
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MLOAD_GENERAL
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// stack: value
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%endmacro
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// Store a byte to the given segment of the current context's memory space.
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// Note that main memory values are one byte each, but in general memory values
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// can be 256 bits. This macro deals with a single address (unlike MSTORE), so
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// if it is used with main memory, it will store a single byte.
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%macro mstore_current(segment)
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// stack: offset, value
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PUSH $segment
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// stack: segment, offset, value
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CURRENT_CONTEXT
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// stack: context, segment, offset, value
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MSTORE_GENERAL
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// stack: (empty)
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%endmacro
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