diff --git a/common.mk b/common.mk
index 76faa7a..d5f3783 100644
--- a/common.mk
+++ b/common.mk
@@ -50,7 +50,7 @@ SYS_IP_OBJ += $(LIB)/smpsys.o
 		$< $@
 
 %.elf:
-	$(LD) --print-memory-usage -T $(LIB)/sh2.lds $^ -o $@
+	$(LD) --no-warn-rwx-segment --print-memory-usage -T $(LIB)/sh2.lds $^ -o $@
 
 sys_ip.elf: $(SYS_IP_OBJ)
 	$(LD) --print-memory-usage -T $(LIB)/sys_ip.lds $^ -o $@
diff --git a/segasmp/lib/sys_area.o b/segasmp/lib/sys_area.o
old mode 100755
new mode 100644
diff --git a/segasmp/lib/sys_areb.o b/segasmp/lib/sys_areb.o
old mode 100755
new mode 100644
diff --git a/segasmp/lib/sys_arek.o b/segasmp/lib/sys_arek.o
old mode 100755
new mode 100644
diff --git a/segasmp/lib/sys_arel.o b/segasmp/lib/sys_arel.o
old mode 100755
new mode 100644
diff --git a/sh2.lds b/sh2.lds
index d7b2fac..3e026b7 100644
--- a/sh2.lds
+++ b/sh2.lds
@@ -12,13 +12,14 @@ SECTIONS
   .text ALIGN(4) : SUBALIGN(4)
   {
     *(.text.start)
-    *(.text*)
+    *(.text)
     *(.text.*)
   } > work_ram_h
 
   .data ALIGN(4) : SUBALIGN(4)
   {
     *(.data)
+    *(.data.*)
   } > work_ram_h
 
   .rodata ALIGN(4) : SUBALIGN(4)
diff --git a/vdp2.h b/vdp2.h
index 4911de9..5c93c29 100644
--- a/vdp2.h
+++ b/vdp2.h
@@ -231,8 +231,14 @@ enum vrsize_bit {
 // };
 // enum vcnt_bit {
 // };
-// enum ramctl_bit {
-// };
+enum ramctl_bit {
+  RAMCTL__CRKTE = (1 << 15),
+  RAMCTL__VRBMD = (1 << 9),
+  RAMCTL__VRAMD = (1 << 8),
+  RAMCTL__CRMD__RGB_5BIT_1024 = (0b00 << 12),
+  RAMCTL__CRMD__RGB_5BIT_2048 = (0b01 << 12),
+  RAMCTL__CRMD__RGB_8BIT_1024 = (0b10 << 12)
+};
 // enum cyca0l_bit {
 // };
 // enum cyca0u_bit {
@@ -272,7 +278,7 @@ enum bgon_bit {
 enum chctla_bit {
   CHCTLA__N1CHCN__16_COLOR = (0b00 << 12),
   CHCTLA__N1CHCN__256_COLOR = (0b00 << 12),
-  CHCTLA__N1CHCN__2K_COLOR = (0b00 << 12),
+  CHCTLA__N1CHCN__2048_COLOR = (0b00 << 12),
   CHCTLA__N1CHCN__32K_COLOR = (0b00 << 12),
 
   CHCTLA__N1BMSZ__512x256_DOT = (0b00 << 10),
@@ -288,7 +294,7 @@ enum chctla_bit {
 
   CHCTLA__N0CHCN__16_COLOR = (0b000 << 4),
   CHCTLA__N0CHCN__256_COLOR = (0b001 << 4),
-  CHCTLA__N0CHCN__2K_COLOR = (0b010 << 4),
+  CHCTLA__N0CHCN__2048_COLOR = (0b010 << 4),
   CHCTLA__N0CHCN__32K_COLOR = (0b011 << 4),
   CHCTLA__N0CHCN__16M_COLOR = (0b100 << 4),
 
@@ -306,7 +312,7 @@ enum chctla_bit {
 enum chctlb_bit {
   CHCTLB__R0CHCN__16_COLOR = (0b000 << 12),
   CHCTLB__R0CHCN__256_COLOR = (0b001 << 12),
-  CHCTLB__R0CHCN__2K_COLOR = (0b010 << 12),
+  CHCTLB__R0CHCN__2048_COLOR = (0b010 << 12),
   CHCTLB__R0CHCN__32K_COLOR = (0b011 << 12),
   CHCTLB__R0CHCN__16M_COLOR = (0b100 << 12),