diff --git a/SourceGen/RuntimeData/Apple/Cxxx-IO.sym65 b/SourceGen/RuntimeData/Apple/Cxxx-IO.sym65
index 6c568c0..ce1f269 100644
--- a/SourceGen/RuntimeData/Apple/Cxxx-IO.sym65
+++ b/SourceGen/RuntimeData/Apple/Cxxx-IO.sym65
@@ -124,14 +124,14 @@ SETIOUDIS       > $C07E     ;W disable IOU
 RDDHIRES        < $C07F     ;R status of double hi-res
 CLRIOUDIS       > $C07F     ;W enable IOU
 
-;                 $C080     ;RW read RAM bank 2, write off
+LCBANK2_RW      @ $C080     ;RW read RAM bank 2, write off
 ROMIN           @ $C081     ;RWx2 read ROM, write RAM bank 2
 ROMIN_RO        @ $C082     ;RW read ROM, no write
 LCBANK2         @ $C083     ;RWx2 read/write RAM bank 2
 ; C084-C087 repeats
-;                 $C088     ;RW read RAM bank 1, write off
-;                 $C089     ;RW read ROM, write RAM bank 1
-;                 $C08A     ;RW read ROM, no write
+LCBANK1_RW      @ $C088     ;RW read RAM bank 1, write off
+ROMIN1          @ $C089     ;RW read ROM, write RAM bank 1
+ROMIN1_RO       @ $C08A     ;RW read ROM, no write
 LCBANK1         @ $C08B     ;RWx2 read/write RAM bank 1
 ; C08C-C08F repeats
 
diff --git a/SourceGen/RuntimeData/Apple/E0Cxxx-IO.sym65 b/SourceGen/RuntimeData/Apple/E0Cxxx-IO.sym65
index 844ff90..cd99b78 100644
--- a/SourceGen/RuntimeData/Apple/E0Cxxx-IO.sym65
+++ b/SourceGen/RuntimeData/Apple/E0Cxxx-IO.sym65
@@ -124,9 +124,13 @@ SETIOUDIS_GS    > $E0C07E   ;W disable IOU
 RDDHIRES_GS     < $E0C07F   ;R status of double hi-res
 CLRIOUDIS_GS    > $E0C07F   ;W enable IOU
 
+LCBANK2_RW_GS   @ $E0C080   ;RW read RAM bank 2, write off
 ROMIN_GS        @ $E0C081   ;RWx2 read ROM, write RAM bank 2
 ROMIN_RO_GS     @ $E0C082   ;RW read ROM, no write
 LCBANK2_GS      @ $E0C083   ;RWx2 read/write RAM bank 2
+LCBANK1_RW_GS   @ $E0C088   ;RW read RAM bank 1, write off
+ROMIN1_GS       @ $E0C089   ;RWx2 read ROM, write RAM bank 1
+ROMIN1_RO_GS    @ $E0C08A   ;RW read ROM, no write
 LCBANK1_GS      @ $E0C08B   ;RWx2 read/write RAM bank 1
 
 CLRROM_GS       @ $E0CFFF   ;disable slot C8 ROM
diff --git a/SourceGen/RuntimeData/Apple/VisHiRes.cs b/SourceGen/RuntimeData/Apple/VisHiRes.cs
index 532f35d..b7a4f56 100644
--- a/SourceGen/RuntimeData/Apple/VisHiRes.cs
+++ b/SourceGen/RuntimeData/Apple/VisHiRes.cs
@@ -295,7 +295,7 @@ namespace RuntimeData.Apple {
             int hcells;
             if (count > 128) {
                 hcells = 32;
-            } else if (count >= 64) {
+            } else if (count > 64) {
                 hcells = 16;
             } else if (count >= 32) {
                 hcells = 8;