Initial Commit

after/syntax/asm.vim

@@ -0,0 +1,40 @@
+syntax case ignore
+
+" Match regexes.
+syntax match lc3Label     /[A-Za-z_][A-Za-z0-9_]*/
+syntax match lc3Register  /[rR][0-7]/
+syntax match lc3Decimal   /#\=-\=\<[0-9]\+\>/
+syntax match lc3Hex       /x-\=[A-Fa-f0-9]\+/
+syntax match lc3Binary    /b-\=[01]\+/
+syntax region lc3String   start=+"+ skip=+\\"+ end=+"+
+syntax region lc3Comment  start=+;+ end=+$+
+
+" Assembler directives/pseudo-ops
+syntax match lc3Directive /\.orig/
+syntax match lc3Directive /\.end/
+syntax match lc3Directive /\.fill/
+syntax match lc3Directive /\.blkw/
+syntax match lc3Directive /\.stringz/
+
+" LC-3 opcodes/aliases, minus branches
+syntax keyword lc3Opcode add ld st jsrr jsr and ldr str rti not ldi sti jmp ret lea trap nop
+" Branches
+syntax keyword lc3Opcode br brn brz brp brnz brnp brzp brnzp
+" Trap subroutines
+syntax keyword lc3Opcode getc out puts in putsp halt
+" LC-3b opcodes
+syntax keyword lc3Opcode ldb ldw lshf rshfl rshfa stb stw xor
+
+" Link colors.
+hi def link lc3Opcode    Statement
+hi def link lc3Label     Identifier
+hi def link lc3Register  Type
+hi def link lc3Directive Define
+hi def link lc3Decimal   Number
+hi def link lc3Hex       Number
+hi def link lc3Binary    Number
+hi def link lc3String    String
+hi def link lc3Comment   Comment
+
+let b:current_syntax = "asm"
+