uxn

commit 44d584dfdbe3da53dbb65a8bc3e3a1f3788c3a1a
parent 59ea5c0a1ac9a942416ee163e227b3ab57049809
Author: neauoire <aliceffekt@gmail.com>
Date:   Wed,  4 Aug 2021 20:14:53 -0700

Re-added the stack bounds clamp

Diffstat:
M
etc/mkuxn-fast.lua
 | 
1
+
M
etc/mkuxn-fast.moon
 | 
1
+
M
src/uxn-fast.c
 | 
1
+
M
src/uxn.c
 | 
1
+

4 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/etc/mkuxn-fast.lua b/etc/mkuxn-fast.lua
@@ -322,6 +322,7 @@ uxn_eval(Uxn *u, Uint16 vec)
 	if(u->dev[0].dat[0xf]) 
 		return 0;
 	u->ram.ptr = vec;
+  if(u->wst.ptr > 0xf8) u->wst.ptr = 0xf8;
 	while(u->ram.ptr) {
 		instr = u->ram.dat[u->ram.ptr++];
 		switch(instr) {
diff --git a/etc/mkuxn-fast.moon b/etc/mkuxn-fast.moon
@@ -231,6 +231,7 @@ uxn_eval(Uxn *u, Uint16 vec)
 	if(u->dev[0].dat[0xf]) 
 		return 0;
 	u->ram.ptr = vec;
+	if(u->wst.ptr > 0xf8) u->wst.ptr = 0xf8;
 	while(u->ram.ptr) {
 		instr = u->ram.dat[u->ram.ptr++];
 		switch(instr) {
diff --git a/src/uxn-fast.c b/src/uxn-fast.c
@@ -45,6 +45,7 @@ uxn_eval(Uxn *u, Uint16 vec)
 	if(u->dev[0].dat[0xf]) 
 		return 0;
 	u->ram.ptr = vec;
+	if(u->wst.ptr > 0xf8) u->wst.ptr = 0xf8;
 	while(u->ram.ptr) {
 		instr = u->ram.dat[u->ram.ptr++];
 		switch(instr) {
diff --git a/src/uxn.c b/src/uxn.c
@@ -125,6 +125,7 @@ uxn_eval(Uxn *u, Uint16 vec)
 	if(u->dev[0].dat[0xf])
 		return 0;
 	u->ram.ptr = vec;
+	if(u->wst.ptr > 0xf8) u->wst.ptr = 0xf8;
 	while(u->ram.ptr) {
 		Uint8 instr = u->ram.dat[u->ram.ptr++];
 		/* Return Mode */