Add parsers for basic instruction typesHEADmaster

1 files changed, 30 insertions, 0 deletions

diff --git a/newasm/errors.s b/newasm/errors.s
new file mode 100644
index 0000000..3822851
--- /dev/null
+++ b/newasm/errors.s
@@ -0,0 +1,30 @@
+.syntax unified
+.cpu cortex-m0plus
+.thumb
+
+// .type print_error, %function
+// .global print_error
+
+// 00 success
+// 01 expected an opcode (or unexpected character)
+// 02 expected label or opcode
+// 03 expected colon at end of label
+// 04 opcode not found
+
+// 05 expected digit
+
+// 06 expected register
+// 07 invalid general-purpose register number
+// 08 invalid register for this register position
+// 09 invalid register combo for this instruction
+
+// 0A immediate value too large
+
+// 0B extra input at end of statement
+
+            .align  4
+no_colon:   .asciz  "Error: Expected colon at end of label"
+            .align  4
+no_opcode:  .asciz  "Error: Expected an opcode"
+            .align  4
+not_found:  .asciz  "Error: Opcode not found"