scc

commit 88b8a82682695a681ca6f9af5367addecf397ca5
parent e18347bdd82976eea49e4ea9d8d1330a2029b28e
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Wed, 27 Dec 2017 14:58:25 +0000

[as-z80] Add unconditional absolute branches

Diffstat:
M
as/target/x80/ins.c
 | 
7
+++----
M
as/target/z80/test.s
 | 
4
++--

2 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/as/target/x80/ins.c b/as/target/x80/ins.c
@@ -246,15 +246,14 @@ imm8(Op *op, Node **args)
 void
 imm16(Op *op, Node **args)
 {
-	Node *par1, *par2;
+	Node *imm;
 	unsigned char buf[4];
 	unsigned val;
 	int n = op->size;
 
-	par2 = args[1];
-
+	imm = (args[1]) ? args[1] : args[0];
 	memcpy(buf, op->bytes, n);
-	val = par2->sym->value;
+	val = imm->sym->value;
 	buf[n-1] = val >> 8;
 	buf[n-2] = val;
 	emit(buf, n);
diff --git a/as/target/z80/test.s b/as/target/z80/test.s
@@ -193,7 +193,7 @@
 	RET	%NZ	/ C0
 	POP	%BC	/ C1
 	JP	%NZ,16384	/ C2 00 40
-/C3 n n	JP nn
+	JP	32768	/ C3 00 80
 	CALL	%NZ,32768	/ C4 00 80
 	PUSH	%BC	/ C5
 	ADD	%A,32	/ C6 20
@@ -458,7 +458,7 @@
 	SET	7,(%HL)	/ CB FE
 	SET	7,%A	/ CB FF
 	CALL	%Z,16384	/ CC 00 40
-/CD n n	CALL nn
+	CALL	16384	/ CD 00 40
 	ADC	%A,64	/ CE 40
 	RST	8	/ CF
 	RET	%NC	/ D0