started op table

cpu/functions.go

@@ -0,0 +1,48 @@
+package cpu
+
+import (
+	"radu.macocian.me/goboy/cpu/operations"
+	"radu.macocian.me/goboy/memory"
+)
+
+type op_context struct {
+	cpu  CPU_struct
+	addr uint
+}
+
+func Noop(context op_context) {
+	return
+}
+
+// LDBCd16 Load the 2 bytes of immediate data into register pair BC.
+func LDBCd16(context op_context) {
+	operations.LD(&context.cpu.C, memory.Read8(context.addr))
+	operations.LD(&context.cpu.B, memory.Read8(context.addr+8))
+}
+
+// LDBCa Store the contents of register A in the memory location specified by register pair BC.
+func LDBCa(context op_context) {
+	operations.LDInMemory8(context.cpu.BC(), context.cpu.A)
+	return
+}
+
+// INCBC Increment the contents of register pair BC by 1.
+func INCBC(context op_context) {
+	operations.INC16(&context.cpu.B, &context.cpu.C)
+	return
+}
+
+// INCB Increment the contents of register B by 1.
+func INCB(context op_context) {
+	operations.INC(&context.cpu.B)
+}
+
+// DECB Decrement the contents of register B by 1.
+func DECB(context op_context) {
+	operations.DEC(&context.cpu.B)
+}
+
+// LD8B Load the 8-bit immediate operand d8 into register B.
+func LD8B(context op_context) {
+	operations.LD(&context.cpu.B, memory.Read8(context.addr))
+}