diff --git a/calculator.asm b/calculator.asm
index 64d97fe..6fe1281 100644
--- a/calculator.asm
+++ b/calculator.asm
@@ -46,35 +46,35 @@ debug:
 	debugRegs:
 		load r0, debugr0
 		cleq r0, r0, writehexByte
-		load r0, litcharSpace
+		load r0, #20
 		store ffff, r0
 
 		load r0, debugr1
 		cleq r0, r0, writehexByte
-		load r0, litcharSpace
+		load r0, #20
 		store ffff, r0
 
 		load r0, debugr2
 		cleq r0, r0, writehexByte
-		load r0, litcharSpace
+		load r0, #20
 		store ffff, r0
 
 		load r0, debugr3
 		cleq r0, r0, writehexByte
-		load r0, litcharSpace
+		load r0, #20
 		store ffff, r0
 
 	debugTmpWords:
 		load r0, tmpWordHigh
 		load r1, tmpWordLow
 		cleq r0, r0, writeHexWord
-		load r0, litcharSpace
+		load r0, #20
 		store ffff, r0
 
 		load r0, tmpWord2High
 		load r1, tmpWord2Low
 		cleq r0, r0, writeHexWord
-		load r0, litcharPipe
+		load r0, #7c
 		store ffff, r0
 
 	load r0, SPStart+0
@@ -118,7 +118,7 @@ debug:
 		store debugPtr+0, r0
 		store debugPtr+1, r1
 
-		load r0, litcharSpace
+		load r0, #20
 		store ffff, r0
 
 		breq r0, r0, debugLoop
@@ -151,11 +151,11 @@ readline:
 
 		; Is it enter?
 		cleq r0, r0, peekWord
-		load r0, litcharCR
+		load r0, #0d
 		breq r0, r1, readlineEnter
 
 		; Is it backspace?
-		load r0, litcharBS
+		load r0, #08
 		breq r0, r1, readlineBackspace
 
 		; Is the buffer full?
@@ -207,9 +207,9 @@ readline:
 		; Decrease the index and erase the echoed character
 		; TODO: utf-8
 		cleq r0, r0, stDec
-		load r3, litcharSpace
+		load r3, #20
 		store ffff, r3
-		load r3, litcharBS
+		load r3, #08
 		store ffff, r3
 
 		breq r0, r0, readlineLoop
@@ -218,11 +218,11 @@ readline:
 		; Drop the input byte and erase the echoed character
 		; TODO: utf-8
 		cleq r0, r0, popWord
-		load r3, litcharBS
+		load r3, #08
 		store ffff, r3
-		load r3, litcharSpace
+		load r3, #20
 		store ffff, r3
-		load r3, litcharBS
+		load r3, #08
 		store ffff, r3
 		breq r0, r0, readlineLoop
 
@@ -453,7 +453,7 @@ peekWord:
 	load r0, SP+0
 	load r1, SP+1
 	xor r2, r2
-	load r3, lit02
+	load r3, #02
 	cleq r0, r0, addWord
 	store SP+0, r0
 	store SP+1, r1
@@ -609,7 +609,7 @@ subWord:
 	xor r0, r0
 	or r0, r3
 	nand r0, r0
-	load r2, lit01
+	load r2, #01
 	cleq r0, r0, addByte3
 	store subWordResultLow, r0
 
@@ -639,7 +639,7 @@ incWord:
 	store incWordHigh, r0
 
 	; Add 1 to low byte
-	load r0, lit01
+	load r0, #01
 	cleq r0, r0, addByte
 	store incWordLow, r0
 
@@ -662,12 +662,12 @@ decWord:
 	store decWordHigh, r0
 
 	; Add ff to low byte
-	load r0, litff
+	load r0, #ff
 	cleq r0, r0, addByte
 	store decWordLow, r0
 
 	; Add ff and carry to high byte
-	load r0, litff
+	load r0, #ff
 	load r2, decWordHigh
 	cleq r0, r0, addByte3
 
@@ -762,86 +762,86 @@ addByte:
 nybble2hex:
 	xor r3, r3
 	breq r0, r3, nybble2hex0
-	load r3, lit01
+	load r3, #01
 	breq r0, r3, nybble2hex1
-	load r3, lit02
+	load r3, #02
 	breq r0, r3, nybble2hex2
-	load r3, lit03
+	load r3, #03
 	breq r0, r3, nybble2hex3
-	load r3, lit04
+	load r3, #04
 	breq r0, r3, nybble2hex4
-	load r3, lit05
+	load r3, #05
 	breq r0, r3, nybble2hex5
-	load r3, lit06
+	load r3, #06
 	breq r0, r3, nybble2hex6
-	load r3, lit07
+	load r3, #07
 	breq r0, r3, nybble2hex7
-	load r3, lit08
+	load r3, #08
 	breq r0, r3, nybble2hex8
-	load r3, lit09
+	load r3, #09
 	breq r0, r3, nybble2hex9
-	load r3, lit0a
+	load r3, #0a
 	breq r0, r3, nybble2hexa
-	load r3, lit0b
+	load r3, #0b
 	breq r0, r3, nybble2hexb
-	load r3, lit0c
+	load r3, #0c
 	breq r0, r3, nybble2hexc
-	load r3, lit0d
+	load r3, #0d
 	breq r0, r3, nybble2hexd
-	load r3, lit0e
+	load r3, #0e
 	breq r0, r3, nybble2hexe
-	load r3, lit0f
+	load r3, #0f
 	breq r0, r3, nybble2hexf
 
 	breq r0, r0, error
 
 	nybble2hex0:
-		load r0, litchar0
+		load r0, #30
 		ret
 	nybble2hex1:
-		load r0, litchar1
+		load r0, #31
 		ret
 	nybble2hex2:
-		load r0, litchar2
+		load r0, #32
 		ret
 	nybble2hex3:
-		load r0, litchar3
+		load r0, #33
 		ret
 	nybble2hex4:
-		load r0, litchar4
+		load r0, #34
 		ret
 	nybble2hex5:
-		load r0, litchar5
+		load r0, #35
 		ret
 	nybble2hex6:
-		load r0, litchar6
+		load r0, #36
 		ret
 	nybble2hex7:
-		load r0, litchar7
+		load r0, #37
 		ret
 	nybble2hex8:
-		load r0, litchar8
+		load r0, #38
 		ret
 	nybble2hex9:
-		load r0, litchar9
+		load r0, #39
 		ret
 	nybble2hexa:
-		load r0, litchara
+		load r0, #61
 		ret
 	nybble2hexb:
-		load r0, litcharb
+		load r0, #62
 		ret
 	nybble2hexc:
-		load r0, litcharc
+		load r0, #63
 		ret
 	nybble2hexd:
-		load r0, litchard
+		load r0, #64
 		ret
 	nybble2hexe:
-		load r0, litchare
+		load r0, #65
 		ret
 	nybble2hexf:
-		load r0, litcharf
+		load r0, #66
 		ret
 
 ; in:
@@ -851,49 +851,49 @@ nybble2hex:
 ; clobbers:
 ;  r3
 hex2nybble:
-	load r3, litchar0
+	load r3, #30
 	breq r0, r3, hex2nybble0
-	load r3, litchar1
+	load r3, #31
 	breq r0, r3, hex2nybble1
-	load r3, litchar2
+	load r3, #32
 	breq r0, r3, hex2nybble2
-	load r3, litchar3
+	load r3, #33
 	breq r0, r3, hex2nybble3
-	load r3, litchar4
+	load r3, #34
 	breq r0, r3, hex2nybble4
-	load r3, litchar5
+	load r3, #35
 	breq r0, r3, hex2nybble5
-	load r3, litchar6
+	load r3, #36
 	breq r0, r3, hex2nybble6
-	load r3, litchar7
+	load r3, #37
 	breq r0, r3, hex2nybble7
-	load r3, litchar8
+	load r3, #38
 	breq r0, r3, hex2nybble8
-	load r3, litchar9
+	load r3, #39
 	breq r0, r3, hex2nybble9
-	load r3, litchara
+	load r3, #61
 	breq r0, r3, hex2nybblea
-	load r3, litcharb
+	load r3, #62
 	breq r0, r3, hex2nybbleb
-	load r3, litcharc
+	load r3, #63
 	breq r0, r3, hex2nybblec
-	load r3, litchard
+	load r3, #64
 	breq r0, r3, hex2nybbled
-	load r3, litchare
+	load r3, #65
 	breq r0, r3, hex2nybblee
-	load r3, litcharf
+	load r3, #66
 	breq r0, r3, hex2nybblef
-	load r3, litcharUppera
+	load r3, #41
 	breq r0, r3, hex2nybblea
-	load r3, litcharUpperb
+	load r3, #42
 	breq r0, r3, hex2nybbleb
-	load r3, litcharUpperC
+	load r3, #43
 	breq r0, r3, hex2nybblec
-	load r3, litcharUpperD
+	load r3, #44
 	breq r0, r3, hex2nybbled
-	load r3, litcharUpperE
+	load r3, #45
 	breq r0, r3, hex2nybblee
-	load r3, litcharUpperF
+	load r3, #46
 	breq r0, r3, hex2nybblef
 
 	breq r0, r0, error
@@ -902,49 +902,49 @@ hex2nybble:
 		xor r0, r0
 		ret
 	hex2nybble1:
-		load r0, lit01
+		load r0, #01
 		ret
 	hex2nybble2:
-		load r0, lit02
+		load r0, #02
 		ret
 	hex2nybble3:
-		load r0, lit03
+		load r0, #03
 		ret
 	hex2nybble4:
-		load r0, lit04
+		load r0, #04
 		ret
 	hex2nybble5:
-		load r0, lit05
+		load r0, #05
 		ret
 	hex2nybble6:
-		load r0, lit06
+		load r0, #06
 		ret
 	hex2nybble7:
-		load r0, lit07
+		load r0, #07
 		ret
 	hex2nybble8:
-		load r0, lit08
+		load r0, #08
 		ret
 	hex2nybble9:
-		load r0, lit09
+		load r0, #09
 		ret
 	hex2nybblea:
-		load r0, lit0a
+		load r0, #0a
 		ret
 	hex2nybbleb:
-		load r0, lit0b
+		load r0, #0b
 		ret
 	hex2nybblec:
-		load r0, lit0c
+		load r0, #0c
 		ret
 	hex2nybbled:
-		load r0, lit0d
+		load r0, #0d
 		ret
 	hex2nybblee:
-		load r0, lit0e
+		load r0, #0e
 		ret
 	hex2nybblef:
-		load r0, lit0f
+		load r0, #0f
 		ret
 
 ; ------------------------------------------------------------------
@@ -981,7 +981,7 @@ writehexByte:
 	store ffff, r0
 
 	; Low nybble
-	load r0, lit0f
+	load r0, #0f
 	and r0, r2
 	cleq r0, r0, nybble2hex
 	store ffff, r0
@@ -995,109 +995,25 @@ writehexByte:
 ; clobbers:
 ;  r3
 newline:
-	load r3, litcharCR
+	load r3, #0d
 	store ffff, r3
-	load r3, litcharLF
+	load r3, #0a
 	store ffff, r3
 	ret
 
 ; noreturn
 error:
-	load r0, litchare
+	load r0, #65
 	store ffff, r0
-	load r0, litcharr
+	load r0, #72
 	store ffff, r0
 	store ffff, r0
-	load r1, litcharo
+	load r1, #6f
 	store ffff, r1
 	store ffff, r0
 	cleq r0, r0, newline
 	halt
 
-; ==================================================================
-; Literals pool
-; ==================================================================
-
-lit01: data 01
-lit02: data 02
-lit03: data 03
-lit04: data 04
-lit05: data 05
-lit06: data 06
-lit07: data 07
-litcharBS:
-lit08: data 08
-lit09: data 09
-litcharLF:
-lit0a: data 0a
-lit0b: data 0b
-lit0c: data 0c
-litcharCR:
-lit0d: data 0d
-lit0e: data 0e
-lit0f: data 0f
-
-litcharSpace:
-lit20: data 20
-
-litchar0:
-lit30: data 30
-litchar1:
-lit31: data 31
-litchar2:
-lit32: data 32
-litchar3:
-lit33: data 33
-litchar4:
-lit34: data 34
-litchar5:
-lit35: data 35
-litchar6:
-lit36: data 36
-litchar7:
-lit37: data 37
-litchar8:
-lit38: data 38
-litchar9:
-lit39: data 39
-
-litcharUppera:
-lit41: data 41
-litcharUpperb:
-lit42: data 42
-litcharUpperc:
-lit43: data 43
-litcharUpperd:
-lit44: data 44
-litcharUppere:
-lit45: data 45
-litcharUpperf:
-lit46: data 46
-
-litchara:
-lit61: data 61
-litcharb:
-lit62: data 62
-litcharc:
-lit63: data 63
-litchard:
-lit64: data 64
-litchare:
-lit65: data 65
-litcharf:
-lit66: data 66
-
-litcharo:
-lit6f: data 6f
-
-litcharr:
-lit72: data 72
-
-litcharPipe:
-lit7c: data 7c
-
-litff: data ff
-
 ; ==================================================================
 ; Data
 ; ==================================================================