Switch addpc to use pc-offset instead of immediate operand

This makes more sense, as the argument is really a signed offset from the
program counter.

1 files changed, 4 insertions, 1 deletions

diff --git a/parser.y b/parser.y
index 3ca1c2c..4396fd1 100644
--- a/parser.y
+++ b/parser.y
@@ -88,6 +88,7 @@ void yyerror(const char *msg)
 %type <args> a_regp_reg
 %type <args> a_reg_regp
 %type <args> a_reg_imm
+%type <args> a_reg_pcoff
 %type <args> a_pcoff
 %type <lval> intlit
 
@@ -136,7 +137,7 @@ inst:
 	|	T_BLE    a_pcoff     { $$ = INSTRUCTION_ARGS(BLE,    $2); }
 	|	T_BRA    a_pcoff     { $$ = INSTRUCTION_ARGS(BRA,    $2); }
 	|	T_JMP    a_regp      { $$ = INSTRUCTION_ARGS(JMP,    $2); }
-	|	T_ADDPC  a_reg_imm   { $$ = INSTRUCTION_ARGS(ADDPC,  $2); }
+	|	T_ADDPC  a_reg_pcoff { $$ = INSTRUCTION_ARGS(ADDPC,  $2); }
 	|	T_NOP                { $$ = INSTRUCTION(NOP); }
 	;
 
@@ -152,6 +153,8 @@ a_reg_regp:
 	T_SPACE T_REG "," T_REGPTR           { $$ = MKARGS($2, $4);     }
 a_reg_imm:
 	T_SPACE T_REG "," imm                { $$ = MKARGS($2, $4);     }
+a_reg_pcoff:
+	T_SPACE T_REG "," pcoff              { $$ = MKARGS($2, $4);     }
 a_pcoff:
 	T_SPACE pcoff                        { $$ = MKARGS($2);         }