Implemented LDD (HL), A

2021-02-18 23:22:26 +00:00
parent 3e92cf5eec
commit 8f0b8d3a48
7 changed files with 92 additions and 22 deletions
--- a/rtl/cpu/cpu_pkg.svh
+++ b/rtl/cpu/cpu_pkg.svh
@@ -40,15 +40,22 @@ package cpu_pkg;
        ALU_OP_CP  = 3'h07
    } alu_op_t;

+    typedef enum logic [1:0] {
+        ALU16_OP_ADD = 2'h00,
+        ALU16_INC    = 2'h01,
+        ALU16_DEC    = 2'h02
+    } alu16_op_t;
+
    typedef enum {
        OP_SRC_A,
        OP_SRC_REG8,
-        OP_SRC_OPERAND16
+        OP_SRC_OPERAND16,
+        OP_SRC_REG16
    } op_src_t;

    typedef enum {
        OP_DEST_A,
-        OP_DEST_R16
+        OP_DEST_REG16
    } op_dest_t;

    typedef enum {