diff --git a/src/disk.c b/src/disk.c
index 4bcf07e0..cbd568e6 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -691,10 +691,10 @@ GLUE_C_READ(disk_read_prepare_out)
 
 GLUE_C_WRITE(disk_write_latch)
 {
-    disk6.disk_byte = d;
+    disk6.disk_byte = b;
 }
 
-void disk_install(int slot)
+void disk_io_initialize(unsigned int slot)
 {
     FILE *f;
     int i;
@@ -722,7 +722,8 @@ void disk_install(int slot)
 
     memcpy(apple_ii_64k[0] + 0xC600, slot6_rom, 0x100);
 
-    /* disk softswitches */
+    // disk softswitches
+    // 0xC0Xi : X = slot 0x6 + 0x8 == 0xE
     cpu65_vmem[0xC0E0].r = cpu65_vmem[0xC0E2].r =
                                cpu65_vmem[0xC0E4].r = cpu65_vmem[0xC0E6].r =
                                                           ram_nop;
diff --git a/src/disk.h b/src/disk.h
index db4fa4cc..e14e9942 100644
--- a/src/disk.h
+++ b/src/disk.h
@@ -50,7 +50,7 @@ extern struct drive disk6;
 void            c_init_6();
 int             c_new_diskette_6(int, char*, int, int, int);
 void            c_eject_6(int);
-void            disk_install(int slot);
+void            disk_io_initialize(unsigned int slot);
 
 void            disk_read_nop(),
 disk_read_phase(),
diff --git a/src/misc.c b/src/misc.c
index 3faa24bc..441bc3be 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -480,7 +480,11 @@ void c_initialize_tables() {
 
     video_set(0);
 
-    disk_install(6); /* Put a Disk ][ Controller in slot 6 */
+    // Peripheral card slot initializations ...
+
+    // HACK TODO FIXME : this needs to be tied to the UI/configuration system (once we have more/conflicting options)
+
+    disk_io_initialize(6); /* Put a Disk ][ Controller in slot 6 */
 }
 
 /* -------------------------------------------------------------------------