27 lines
938 B
Go
27 lines
938 B
Go
package x86
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import (
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"encoding/binary"
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"git.akyoto.dev/cli/q/src/cpu"
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)
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// StoreDynamicNumber stores a number into the memory address at `destination` with a register offset.
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func StoreDynamicNumber(code []byte, destination cpu.Register, offset cpu.Register, length byte, number int) []byte {
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code = memoryAccessDynamic(code, 0xC6, 0xC7, destination, offset, length, 0b000)
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switch length {
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case 8, 4:
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return binary.LittleEndian.AppendUint32(code, uint32(number))
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case 2:
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return binary.LittleEndian.AppendUint16(code, uint16(number))
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}
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return append(code, byte(number))
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}
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// StoreDynamicRegister stores the contents of the `source` register into the memory address at `destination` with a register offset.
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func StoreDynamicRegister(code []byte, destination cpu.Register, offset cpu.Register, length byte, source cpu.Register) []byte {
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return memoryAccessDynamic(code, 0x88, 0x89, destination, offset, length, source)
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}
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