diff --git a/assets/FontROM7x14.png b/assets/FontROM7x14.png
index ac140a0..cd1abc9 100644
Binary files a/assets/FontROM7x14.png and b/assets/FontROM7x14.png differ
diff --git a/assets/FontROM7x14_437.png b/assets/FontROM7x14_437.png
new file mode 100644
index 0000000..ac140a0
Binary files /dev/null and b/assets/FontROM7x14_437.png differ
diff --git a/assets/FontROM7x14_HANGUL.kra b/assets/FontROM7x14_HANGUL.kra
index c83d29c..ace0c08 100644
--- a/assets/FontROM7x14_HANGUL.kra
+++ b/assets/FontROM7x14_HANGUL.kra
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b6bfbfff0ec4b62f72600580b7dd3929dd60801dda734f2330d35f9e93274b98
-size 102734
+oid sha256:795a6781abb5ba11b363ed0ab10e0dcff09dc72973a9510355b6380cfd840dd6
+size 208440
diff --git a/assets/disk0/AUTOEXEC.BAT b/assets/disk0/AUTOEXEC.BAT
index 53256dd..5b468f5 100644
--- a/assets/disk0/AUTOEXEC.BAT
+++ b/assets/disk0/AUTOEXEC.BAT
@@ -2,6 +2,7 @@ echo "Starting TVDOS..."
 
 rem put set-xxx commands here:
 set PATH=\tvdos\tuidev;$PATH
+set KEYBOARD=us_colemak
 
 rem this line specifies which shell to be presented after the boot precess:
 command
diff --git a/assets/disk0/fox.bytes b/assets/disk0/fox.bytes
new file mode 100644
index 0000000..c1f2963
--- /dev/null
+++ b/assets/disk0/fox.bytes
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7d52e197adea681b6a5d5cacd1b5bf3a960d62df5030f63be6d1310fc68215a
+size 250880
diff --git a/assets/disk0/home/hangasm.js b/assets/disk0/home/hangasm.js
new file mode 100644
index 0000000..c1b44ec
--- /dev/null
+++ b/assets/disk0/home/hangasm.js
@@ -0,0 +1,160 @@
+
+/*
+ * A character is defined as one of:
+ * 1. [I,x] (Initial only)
+ * 2.1. [I,x,I,x] (Double Initial)
+ * 2.2. [Ip,x,P,x] (Initial and Peak)
+ * 3.1. [Ip,F,P,x] (Initial, Peak and one Final)
+ * 3.2. [Ip,F1,P,F2] (Initial, Peak and complex Final)
+ * 4.1. [I,x,Ip,x,P,x] (Double Initial and Peak)
+ * 4.2. [I,x,Ip,F,P,x] (Double Initial, Peak and Final)
+ * 4.3. [I,x,Ip,F1,P,F2] (Double Initial, Peak and complex Final)
+ *
+ * Index 0,2,4 is always top and 1,3,5 is always bottom row.
+ *
+ * ## Character Cell Numbering
+ * +--+--+--+
+ * |c0|c2|c4|
+ * |c1|c3|c5|
+ * +--+--+--+
+ *
+ *
+ */
+
+let charmap = {
+i:{ // Cell Indices: [c0,c2]
+// c0,c2:[ㄱ,ㄴ,ㄷ,ㄹ,...]
+0:[0],
+1:[0,0],
+2:[1],
+3:[2],
+4:[2,2],
+5:[3],
+6:[4],
+7:[5],
+8:[5,5],
+9:[6],
+10:[6,6],
+11:[7],
+12:[8],
+13:[8,8],
+14:[9],
+15:[10],
+16:[11],
+17:[12],
+18:[13]
+},p:{ // Cell Indices: [c2,c4], where c2 will be work as an multiplier
+// c2:[null,ㅗ,ㅛ,ㅜ,ㅠ,ㅡ]
+// c4:[0xC6,ㅏ,ㅐ,ㅑ,ㅒ,ㅓ,ㅔ,ㅕ,ㅖ,ㅘ,ㅙ,ㅚㅢㅟ,ㅝ,ㅞ,ㅣ]
+0:[0,0],
+1:[0,1],
+2:[0,2],
+3:[0,3],
+4:[0,4],
+5:[0,5],
+6:[0,6],
+7:[0,7],
+8:[1,0],
+9:[1,9],
+10:[1,10],
+11:[1,11],
+12:[2,0],
+13:[3,0],
+14:[3,12],
+15:[3,13],
+16:[3,11],
+17:[4,0],
+18:[5,0],
+19:[5,11],
+20:[0,14]
+},f:{ // Cell Indices: [c3,c5]
+// c3,c5:[null,ㄱ,ㄴ,ㄷ,...]
+0:[0,0],
+1:[1,0],
+2:[1,1],
+3:[1,7],
+4:[2,0],
+5:[2,9],
+6:[2,14],
+7:[3,0],
+8:[4,0],
+9:[4,1],
+10:[4,5],
+11:[4,6],
+12:[4,7],
+13:[4,12],
+14:[4,13],
+15:[4,14],
+16:[5,0],
+17:[6,0],
+18:[6,7],
+19:[7,0],
+20:[7,7],
+21:[8,0],
+22:[9,0],
+23:[10,0],
+24:[11,0],
+25:[12,0],
+26:[13,0],
+27:[14,0]
+}}
+
+let enc = {
+i:[
+0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8a,0x8b,0x8c,0x8d,
+0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9a,0x9b,0x9c,0x9d,
+0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xeb,0xec,0xed,
+0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,
+0xb7,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd
+],p:[
+0xc6,0x8e,0x8f,0xae,0xaf,0xce,0xcf,0xee,0xef,0xb0,0xb1,0xb2,0xb5,0xb6,0xfe
+],f:[
+0x20,0xd1,0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xdb,0xdc,0xdd,0xde,0xdf
+]
+}
+
+function toLineChar(i,p,f) {
+    let out = []
+    let ibuf = charmap.i[i]
+    let pbuf = charmap.p[p]
+    let fbuf = charmap.f[f]
+    let dbl = 2*(ibuf.length == 2) // 0 or 2
+    /* 0 | 0 */out[0] = ibuf[0]
+    /* x | 2 */out[2] = ibuf[1]
+    /* 2 | 4 */out[2+dbl] = pbuf[1]
+    /*   |   */out[dbl] *= pbuf[0]*2
+    /* 1 | 3 */out[1+dbl] = fbuf[0]
+    /* 3 | 5 */out[3+dbl] = fbuf[1]
+
+    if (ibuf.length > 4) {
+        out[0] = enc.i[out[0]]
+        out[2] = enc.i[out[2]]
+        out[3] = enc.f[out[3]]
+        out[4] = enc.p[out[4]]
+        out[5] = enc.f[out[5]]
+    }
+    else {
+        out[0] = enc.i[out[0]]
+        out[1] = enc.f[out[1]]
+        out[2] = enc.p[out[2]]
+        out[3] = enc.f[out[3]]
+    }
+
+    return out
+}
+
+
+function printHangul(char) {
+    let [cy,cx] = con.getyx()
+
+    serial.println(char)
+
+    char.forEach((v,i)=>{
+        con.mvaddch(cy+(i%2),cx+(i/2),v)
+        serial.println(v.toString(16))
+    })
+    con.move(cy+(char.length%2),cx+(char.length/2))
+}
+
+con.move(4,4)
+printHangul(toLineChar(2,0,1))
\ No newline at end of file
diff --git a/assets/disk0/pal.js b/assets/disk0/pal.js
new file mode 100644
index 0000000..54732c7
--- /dev/null
+++ b/assets/disk0/pal.js
@@ -0,0 +1,4 @@
+con.clear()
+for (let i=0;i<256;i++) {
+  graphics.plotPixel(200+(i%16),200+((i/16)|0),i)
+}