commit 5579b860db981c2df4a21a3f9ce3140c8d51323d
from: rsc <devnull@localhost>
date: Tue Jan 18 20:17:28 2005 UTC

check for lack of registers

commit - 2e49032b852999a498b1250a503aa46ae20340ab
commit + 5579b860db981c2df4a21a3f9ce3140c8d51323d
blob - 1d5b231a16b13b06f974c3efc396b78f6140a554
blob + edf2690eb3bc1fb7c13a5caeb09dfa909eafd76e
--- src/cmd/acid/exec.c
+++ src/cmd/acid/exec.c
@@ -219,7 +219,7 @@ regbyoff(ulong addr)
 int
 xget1(Map *m, ulong addr, u8int *a, int n)
 {
-	if(addr < 0x100)
+	if(addr < 0x100 && correg)
 		return lget1(m, correg, locreg(regbyoff(addr)), a, n);
 	else
 		return get1(m, addr, a, n);
@@ -228,7 +228,7 @@ xget1(Map *m, ulong addr, u8int *a, int n)
 int
 xget2(Map *m, ulong addr, u16int *a)
 {
-	if(addr < 0x100)
+	if(addr < 0x100 && correg)
 		return lget2(m, correg, locreg(regbyoff(addr)), a);
 	else
 		return get2(m, addr, a);
@@ -237,7 +237,7 @@ xget2(Map *m, ulong addr, u16int *a)
 int
 xget4(Map *m, ulong addr, u32int *a)
 {
-	if(addr < 0x100)
+	if(addr < 0x100 && correg)
 		return lget4(m, correg, locreg(regbyoff(addr)), a);
 	else
 		return get4(m, addr, a);
@@ -246,7 +246,7 @@ xget4(Map *m, ulong addr, u32int *a)
 int
 xget8(Map *m, ulong addr, u64int *a)
 {
-	if(addr < 0x100)
+	if(addr < 0x100 && correg)
 		return lget8(m, correg, locreg(regbyoff(addr)), a);
 	else
 		return get8(m, addr, a);