diff --git a/src/hll/ACXLoader.c b/src/hll/ACXLoader.c
index c2203fe..8983225 100644
--- a/src/hll/ACXLoader.c
+++ b/src/hll/ACXLoader.c
@@ -26,17 +26,50 @@
 #include "vm/page.h"
 #include "xsystem4.h"
 
+union acx_value {
+	int32_t i;
+	struct string *s;
+};
+
 struct acx_file {
 	int compressed_size;
-	int size;
 	int nr_columns;
 	int nr_lines;
-	uint8_t *data_raw;
-	uint8_t *data;
+	int32_t *column_types;
+	union acx_value *lines;
 };
 
 static struct acx_file acx;
 
+static void acx_read(uint8_t *data_raw)
+{
+	acx.nr_columns = LittleEndian_getDW(data_raw, 0);
+	acx.nr_lines = LittleEndian_getDW(data_raw, 4 + acx.nr_columns * 4);
+	uint8_t *data = data_raw + (8 + acx.nr_columns * 4);
+
+	acx.column_types = xcalloc(acx.nr_columns, sizeof(int32_t));
+	for (int i = 0; i < acx.nr_columns; i++) {
+		acx.column_types[i] = LittleEndian_getDW(data_raw, 4 + 4*i);
+	}
+
+	int ptr = 0;
+	acx.lines = xcalloc(acx.nr_lines * acx.nr_columns, sizeof(union acx_value));
+	for (int line = 0; line < acx.nr_lines; line++) {
+		for (int col = 0; col < acx.nr_columns; col++) {
+			if (acx.column_types[col] == 2) {
+				int old_ptr = ptr;
+				while (data[ptr])
+					ptr++;
+				acx.lines[line*acx.nr_columns + col].s = make_string((char*)data+old_ptr, ptr-old_ptr);
+				ptr++;
+			} else {
+				acx.lines[line*acx.nr_columns + col].i = LittleEndian_getDW(data, ptr);
+				ptr += 4;
+			}
+		}
+	}
+}
+
 //bool Load(string pIFileName)
 bool ACXLoader_Load(struct string *filename)
 {
@@ -68,28 +101,35 @@ bool ACXLoader_Load(struct string *filename)
 		return false;
 	}
 
-	acx.compressed_size = LittleEndian_getDW(buf, 8);
-	acx.size = LittleEndian_getDW(buf, 12);
-	acx.data_raw = xmalloc(acx.size);
+	int compressed_size = LittleEndian_getDW(buf, 8);
+	unsigned long size = LittleEndian_getDW(buf, 12);
+	uint8_t *data_raw = xmalloc(size);
 
-	unsigned long size = acx.size;
-	if (Z_OK != uncompress(acx.data_raw, &size, buf+16, len-16)) {
+	if (Z_OK != uncompress(data_raw, &size, buf+16, compressed_size)) {
 		WARNING("ACXLoader.Load: uncompress failed");
 		free(buf);
+		free(data_raw);
 		return false;
 	}
 
-	acx.nr_columns = LittleEndian_getDW(acx.data_raw, 0);
-	acx.nr_lines = LittleEndian_getDW(acx.data_raw, 4 + acx.nr_columns * 4);
-	acx.data = acx.data_raw + (8 + acx.nr_columns * 4);
+	acx_read(data_raw);
 
 	free(buf);
+	free(data_raw);
 	return true;
 }
 
 void ACXLoader_Release(void)
 {
-	free(acx.data_raw);
+	for (int col = 0; col < acx.nr_columns; col++) {
+		if (acx.column_types[col] != 2)
+			continue;
+		for (int line = 0; line < acx.nr_lines; line++) {
+			free_string(acx.lines[line*acx.nr_columns+col].s);
+		}
+	}
+	free(acx.lines);
+	free(acx.column_types);
 	memset(&acx, 0, sizeof(struct acx_file));
 }
 
@@ -105,17 +145,21 @@ int ACXLoader_GetNumofColumn(void)
 
 bool ACXLoader_GetDataInt(int line, int col, int *ptr)
 {
-
 	if (line < 0 || line >= acx.nr_lines || col < 0 || col >= acx.nr_columns)
 		return false;
 
-	uint8_t *data = acx.data + (line * acx.nr_columns * 4) + (col * 4);
-	*ptr = LittleEndian_getDW(data, 0);
-
+	*ptr = acx.lines[line*acx.nr_columns + col].i;
 	return true;
 }
 
-HLL_UNIMPLEMENTED(bool, ACXLoader, GetDataString, int line, int col, struct string *data);
+bool ACXLoader_GetDataString(int line, int col, struct string **ptr)
+{
+	if (line < 0 || line >= acx.nr_lines || col < 0 || col >= acx.nr_columns)
+		return false;
+
+	*ptr = string_ref(acx.lines[line*acx.nr_columns + col].s);
+	return true;
+}
 
 bool ACXLoader_GetDataStruct(int line, struct page **page)
 {
@@ -124,9 +168,12 @@ bool ACXLoader_GetDataStruct(int line, struct page **page)
 	if (line >= acx.nr_lines)
 		return false;
 
-	uint8_t *data = acx.data + (line * acx.nr_columns * 4);
 	for (int i = 0; i < acx.nr_columns; i++) {
-		s[i].i = LittleEndian_getDW(data, i*4);
+		if (acx.column_types[i] == 2) {
+			s[i].i = vm_string_ref(acx.lines[line*acx.nr_columns + i].s);
+		} else {
+			s[i].i = acx.lines[line*acx.nr_columns + i].i;
+		}
 	}
 
 	return true;
diff --git a/src/hll/Confirm2.c b/src/hll/Confirm2.c
index 7ff24c6..3d0614a 100644
--- a/src/hll/Confirm2.c
+++ b/src/hll/Confirm2.c
@@ -14,6 +14,7 @@
  * along with this program; if not, see <http://gnu.org/licenses/>.
  */
 
+#include "system4/string.h"
 #include "hll.h"
 
 HLL_WARN_UNIMPLEMENTED( , void, Confirm2, Init, void *imainsystem);
@@ -21,8 +22,17 @@ HLL_WARN_UNIMPLEMENTED(1, int,  Confirm2, ExistKeyFile, struct string *filename,
 HLL_UNIMPLEMENTED(int, Confirm2, CheckProtectFile, struct string *filename, int keynum);
 HLL_UNIMPLEMENTED(int, Confirm2, CreateKeyFile, struct string *filename, int keynum);
 
+
+void Confirm2_ExistKeyFile2(possibly_unused struct string *pIFileName, possibly_unused int nKeyNum, struct string **pIResult)
+{
+	// XXX: this is the magic value for Yokubori Saboten
+	//      need to check if this works for other games
+	*pIResult = make_string("moke-", 5);
+}
+
 HLL_LIBRARY(Confirm2,
 	    HLL_EXPORT(Init, Confirm2_Init),
 	    HLL_EXPORT(ExistKeyFile, Confirm2_ExistKeyFile),
 	    HLL_EXPORT(CheckProtectFile, Confirm2_CheckProtectFile),
-	    HLL_EXPORT(CreateKeyFile, Confirm2_CreateKeyFile));
+	    HLL_EXPORT(CreateKeyFile, Confirm2_CreateKeyFile),
+	    HLL_EXPORT(ExistKeyFile2, Confirm2_ExistKeyFile2));