changeset 28:c0ff62e5ad39

Added register list mode handler
author lost
date Fri, 02 Jan 2009 03:17:26 +0000
parents f736579569b4
children 37aec845aef3
files src/Makefile.am src/insn_misc.c src/insn_rlist.c src/lwasm.h src/pass1.c
diffstat 5 files changed, 65 insertions(+), 39 deletions(-) [+]
line wrap: on
line diff
--- a/src/Makefile.am	Fri Jan 02 02:56:04 2009 +0000
+++ b/src/Makefile.am	Fri Jan 02 03:17:26 2009 +0000
@@ -1,3 +1,3 @@
 bin_PROGRAMS = lwasm
-lwasm_SOURCES = main.c expr.c pass1.c pass2.c util.c instab.c parse.c lwasm.c insn_inh.c insn_rtor.c
+lwasm_SOURCES = main.c expr.c pass1.c pass2.c util.c instab.c parse.c lwasm.c insn_inh.c insn_rtor.c insn_rlist.c
 EXTRA_DIST = instab.h lwasm.h expr.h util.h
--- a/src/insn_misc.c	Fri Jan 02 02:56:04 2009 +0000
+++ b/src/insn_misc.c	Fri Jan 02 03:17:26 2009 +0000
@@ -28,44 +28,6 @@
 
 extern void insn_gen_aux(asmstate_t *as, sourceline_t *cl, char **optr, int *b1, int *b2, int *b3, int *op);
 
-void insn_rlist(asmstate_t *as, sourceline_t *cl, char **optr)
-{
-	int rb = 0;
-	int rn;
-	static const char *regs = "CCA B DPX Y U PCD S ";
-
-	emitop(instab[cl -> opcode].ops[0]);
-	cl -> addrmode = OPER_RLIST;
-	while (**optr && !isspace(**optr))
-	{
-		rn = lookupreg(regs, optr);
-		if (rn < 0)
-		{
-			printf("Bad reg (%s)\n", *optr);
-			errorp1(ERR_BADOPER);
-			emit(0);
-			return;
-		}
-		if (**optr && **optr != ',' && !isspace(**optr))
-		{
-			printf("Bad char (%c)\n", **optr);
-			errorp1(ERR_BADOPER);
-			emit(0);
-			return;
-		}
-		if (**optr == ',')
-			(*optr)++;
-		if (rn == 8)
-			rn = 6;
-		else if (rn == 9)
-			rn = 0x40;
-		else
-			rn = 1 << rn;
-		rb |= rn;
-	}
-	emit(rb);
-}
-
 // for aim, oim, eim, tim
 void insn_logicmem(asmstate_t *as, sourceline_t *cl, char **optr)
 {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/insn_rlist.c	Fri Jan 02 03:17:26 2009 +0000
@@ -0,0 +1,62 @@
+/*
+insn_rlist.c
+Copyright © 2009 William Astle
+
+This file is part of LWASM.
+
+LWASM is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+for handling inherent mode instructions
+*/
+
+#define __insn_inh_c_seen__
+
+#include "lwasm.h"
+#include "instab.h"
+
+OPFUNC(insn_rlist)
+{
+	int rb = 0;
+	int rn;
+	static const char *regs = "CCA B DPX Y U PCD S ";
+
+	lwasm_emitop(as, l, instab[opnum].ops[0]);
+	while (**p && !isspace(**p))
+	{
+		rn = lwasm_lookupreg2(regs, p);
+		if (rn < 0)
+		{
+			register_error(as, l, 1, "Bad register '%s'", *p);
+			lwasm_emit(as, l, 0);
+			return;
+		}
+		if (**p && **p != ',' && !isspace(**p))
+		{
+			register_error(as, l, 1, "Bad operand");
+			lwasm_emit(as, l, 0);
+		}
+		if (**p == ',')
+			(*p)++;
+		if (rn == 8)
+			rn = 6;
+		else if (rn == 9)
+			rn = 0x40;
+		else
+			rn = 1 << rn;
+		rb |= rn;
+	}
+	lwasm_emit(as, l, rb);
+}
--- a/src/lwasm.h	Fri Jan 02 02:56:04 2009 +0000
+++ b/src/lwasm.h	Fri Jan 02 03:17:26 2009 +0000
@@ -45,6 +45,7 @@
 	lwasm_line_t *next;	// next line
 	lwasm_line_t *prev;	// previous line
 	lwasm_error_t *err;	// error messages
+	int fsize;			// forced size (0 = no forced size)
 };
 
 // keep track of current assembler state
--- a/src/pass1.c	Fri Jan 02 02:56:04 2009 +0000
+++ b/src/pass1.c	Fri Jan 02 03:17:26 2009 +0000
@@ -131,6 +131,7 @@
 			nl -> next = NULL;
 			nl -> prev = as -> linestail;
 			nl -> err = NULL;
+			nl -> fsize = 0;
 			if (as -> linestail)
 				as -> linestail -> next = nl;
 			else