decoder

code/8086/decoder.test.c

@@ -0,0 +1,36 @@
+#ifdef INTELLISENSE_DIRECTIVES
+#	include "duffle/dsl.h"
+#	include "encoder.h"
+#	include "decoder.h"
+#	include "info.h"
+#endif
+
+internal void
+x8616_decoder_smoke_test(void)
+{
+	U1 bytes[] = {
+		x8616_mov_r16_i  (x8616_ax, 0x1234),
+		x8616_add_r16_i8s(x8616_ax, -2),
+		x8616_nop(),
+	};
+
+	X8616_DecodedInstruction instructions[3] = {0};
+	U1     info_memory[1024] = {0};
+	FArena info_scratch      = farena_make(slice_ut_arr(info_memory));
+
+	X8616_DecodeInfo info = x8616_decode((X8616_DecodeRequest){
+		.source               = bytes,
+		.source_size          = S_(bytes),
+		.instructions         = instructions,
+		.instruction_capacity = Array_len(instructions),
+		.info_arena           = & info_scratch,
+	});
+
+	assert(info.source_consumed   == S_(bytes));
+	assert(info.instruction_count == 3);
+	assert(info.msgs.error_count  == 0);
+
+	assert(instructions[0].op == x8616_op_mov);
+	assert(instructions[1].op == x8616_op_add);
+	assert(instructions[2].op == x8616_op_xchg); /* 0x90 in the Part 1 table */
+}