Added asmc package

src/asmc/move.go

@@ -0,0 +1,58 @@
+package asmc
+
+import (
+	"strings"
+
+	"git.akyoto.dev/cli/q/src/asm"
+	"git.akyoto.dev/cli/q/src/config"
+	"git.akyoto.dev/cli/q/src/x86"
+)
+
+func (c *compiler) move(x asm.Instruction) {
+	switch operands := x.Data.(type) {
+	case *asm.RegisterNumber:
+		c.code = x86.MoveRegisterNumber(c.code, operands.Register, operands.Number)
+
+	case *asm.RegisterRegister:
+		c.code = x86.MoveRegisterRegister(c.code, operands.Destination, operands.Source)
+
+	case *asm.RegisterLabel:
+		start := len(c.code)
+		c.code = x86.MoveRegisterNumber(c.code, operands.Register, 0x00_00_00_00)
+		size := 4
+		opSize := len(c.code) - size - start
+		regLabel := x.Data.(*asm.RegisterLabel)
+
+		if strings.HasPrefix(regLabel.Label, "data_") {
+			c.dataPointers = append(c.dataPointers, &pointer{
+				Position: Address(len(c.code) - size),
+				OpSize:   uint8(opSize),
+				Size:     uint8(size),
+				Resolve: func() Address {
+					destination, exists := c.dataLabels[regLabel.Label]
+
+					if !exists {
+						panic("unknown label")
+					}
+
+					return Address(destination)
+				},
+			})
+		} else {
+			c.codePointers = append(c.codePointers, &pointer{
+				Position: Address(len(c.code) - size),
+				OpSize:   uint8(opSize),
+				Size:     uint8(size),
+				Resolve: func() Address {
+					destination, exists := c.codeLabels[regLabel.Label]
+
+					if !exists {
+						panic("unknown label")
+					}
+
+					return config.BaseAddress + c.codeStart + destination
+				},
+			})
+		}
+	}
+}