diff --git a/blk/283 b/blk/283
index bae9859..0368d13 100644
--- a/blk/283
+++ b/blk/283
@@ -6,7 +6,7 @@ NOP, NOP, ( 06, uflw ) NOP, NOP, ( 08, LATEST ) NOP, ( unused )
 NOP, NOP, NOP, ( unused )
 0 JP, ( 1a, next ) NOP, NOP, NOP, ( unused )
 0 JP, ( RST 20 )
-NOP, NOP, NOP, NOP, NOP, ( unused )
+0 A, 0 JP, ( 23, (n) ) NOP, ( unused )
 0 JP, ( RST 28 )
 0 A, 0 JP, ( 2b, (s) ) NOP, ( unused )
 0 JP, ( RST 30 )
diff --git a/blk/285 b/blk/285
index 7296d8c..e6319c0 100644
--- a/blk/285
+++ b/blk/285
@@ -13,3 +13,4 @@ CODE (loop) ( 0x80 )
     A 1 IX+ LDrIXY, 1 IX- CP(IXY+), JRNZ, L2 BWR ( branch )
     ( don't branch )
     IX DECd, IX DECd, IX DECd, IX DECd, JR, L1 BWR
+( END OF STABLE ABI )
diff --git a/blk/286 b/blk/286
deleted file mode 100644
index 1aa2046..0000000
--- a/blk/286
+++ /dev/null
@@ -1,11 +0,0 @@
-ORG @ 0xb9 + HERE !
-CODE (n) ( 0xbf, number literal )
-  ( Literal value to push to stack is next to (n) reference
-    in the atom list. That is where IP is currently pointing.
-    Read, push, then advance IP. )
-    E 0 IY+ LDrIXY,
-    D 1 IY+ LDrIXY,
-    IY INCd, IY INCd,
-    DE PUSH,
-;CODE
-( END OF STABLE ABI )
diff --git a/blk/306 b/blk/306
index fddc699..ac1b21f 100644
--- a/blk/306
+++ b/blk/306
@@ -1,11 +1,11 @@
-CODE (s) ( string literal )
-PC ORG @ 0x2d + ! ( stable ABI JP )
-( Like (n) but instead of being followed by a 2 bytes
-  number, it's followed by a string. When called, puts the
-  string's address on PS )
-    IY PUSH, HL POP, ( <-- IP )
-    E (HL) LDrr, D 0 LDri,
-    DE INCd,
-    DE ADDIYd,
-    HL PUSH,
+CODE (n) ( number literal )
+PC ORG @ 0x25 + ! ( stable ABI JP )
+  ( Literal value to push to stack is next to (n) reference
+    in the atom list. That is where IP is currently pointing.
+    Read, push, then advance IP. )
+    E 0 IY+ LDrIXY,
+    D 1 IY+ LDrIXY,
+    IY INCd, IY INCd,
+    DE PUSH,
 ;CODE
+( END OF STABLE ABI )
diff --git a/blk/307 b/blk/307
index 59f5a16..fddc699 100644
--- a/blk/307
+++ b/blk/307
@@ -1,16 +1,11 @@
-CODE ROT ( a b c -- b c a )
-    HL POP, ( C ) DE POP, ( B ) BC POP, ( A ) chkPS,
-    DE PUSH, ( B ) HL PUSH, ( C ) BC PUSH, ( A )
-;CODE
-CODE DUP ( a -- a a )
-    HL POP, chkPS,
-    HL PUSH, HL PUSH,
-;CODE
-CODE ?DUP
-    HL POP, chkPS,
+CODE (s) ( string literal )
+PC ORG @ 0x2d + ! ( stable ABI JP )
+( Like (n) but instead of being followed by a 2 bytes
+  number, it's followed by a string. When called, puts the
+  string's address on PS )
+    IY PUSH, HL POP, ( <-- IP )
+    E (HL) LDrr, D 0 LDri,
+    DE INCd,
+    DE ADDIYd,
     HL PUSH,
-    HLZ, IFNZ, HL PUSH, THEN,
-;CODE
-CODE DROP ( a -- )
-    HL POP,
 ;CODE
diff --git a/blk/308 b/blk/308
index 8c0ece3..59f5a16 100644
--- a/blk/308
+++ b/blk/308
@@ -1,8 +1,16 @@
-( a b -- b a )
-CODE SWAP
-    HL POP,       ( B )
-    DE POP,       ( A )
-    chkPS,
-    HL PUSH,      ( B )
-    DE PUSH,      ( A )
+CODE ROT ( a b c -- b c a )
+    HL POP, ( C ) DE POP, ( B ) BC POP, ( A ) chkPS,
+    DE PUSH, ( B ) HL PUSH, ( C ) BC PUSH, ( A )
+;CODE
+CODE DUP ( a -- a a )
+    HL POP, chkPS,
+    HL PUSH, HL PUSH,
+;CODE
+CODE ?DUP
+    HL POP, chkPS,
+    HL PUSH,
+    HLZ, IFNZ, HL PUSH, THEN,
+;CODE
+CODE DROP ( a -- )
+    HL POP,
 ;CODE
diff --git a/blk/309 b/blk/309
index b365db8..ff456e1 100644
--- a/blk/309
+++ b/blk/309
@@ -1,9 +1,11 @@
-( a b -- a b a )
-CODE OVER
-    HL POP,       ( B )
-    DE POP,       ( A )
+CODE SWAP ( a b -- b a )
+    HL POP, ( B ) DE POP, ( A )
     chkPS,
-    DE PUSH,      ( A )
-    HL PUSH,      ( B )
-    DE PUSH,      ( A )
+    HL PUSH, ( B ) DE PUSH, ( A )
+;CODE
+
+CODE OVER ( a b -- a b a )
+    HL POP, ( B ) DE POP, ( A )
+    chkPS,
+    DE PUSH, ( A ) HL PUSH, ( B ) DE PUSH, ( A )
 ;CODE
diff --git a/blk/397 b/blk/397
index d190732..785dd81 100644
--- a/blk/397
+++ b/blk/397
@@ -1,9 +1,9 @@
-( Now we have "as late as possible" stuff. See B70 and B270. )
+( Now we have "as late as possible" stuff. See B70 and B260. )
 : _bchk DUP 0x7f + 0xff > IF LIT< br-ovfl (print) ABORT THEN ;
 : DO 0x33 ( 2>R ) , H@ ; IMMEDIATE
 : LOOP 0x80 ( loop ) , H@ - _bchk , ; IMMEDIATE
 ( LEAVE is implemented in low xcomp )
-: LITN 0xbf ( n ) , , ;
+: LITN 0x23 ( n ) , , ;
 ( gets its name at the very end. can't comment afterwards )
 : _ BEGIN LIT< ) WORD S= UNTIL ; IMMEDIATE
 : _ ( : will get its name almost at the very end )
diff --git a/blk/805 b/blk/805
index a0c8dd4..5ba4e42 100644
--- a/blk/805
+++ b/blk/805
@@ -6,10 +6,9 @@ JMPn, 0 A,, ( 00, main ) 0 A, ( 03, boot driveno )
 0 A, JMPn, 0 A,, ( unused )
 0 A,, ( unused ) JMPn, 0 A,,  ( unused )
 JMPn, 0 A,, ( unused ) 0 A, 0 A,, ( unused )
-JMPn, 0 A,,   ( 1a, next )     0 A, 0 A,,    ( unused )
-0 A, 0 A, 0 A, 0 A,     ( unused )
-0 A, 0 A, 0 A, 0 A,     ( unused )
-0 A, 0 A,, ( unused )
+JMPn, 0 A,, ( 1a, next ) 0 A,, 0 A,, 0 A,, ( unused )
+0 A, JMPn, 0 A,, ( 23, (n) )
+0 A,, 0 A,, ( unused )
 0 A, JMPn, 0 A,, ( 2b, (s) ) 0 A, ( unused )
 0 A, 0 A,,    ( unused )
 0 A, JMPn, 0 A,, ( 33, 2>R ) 0 A, 0 A, 0 A,, ( unused )
diff --git a/blk/807 b/blk/807
index d180dbf..9fcf6f2 100644
--- a/blk/807
+++ b/blk/807
@@ -5,9 +5,4 @@ CODE (loop) ( 0x80 )
     JNZ, L2 @ RPCs, ( branch )
     ( don't branch )
     BP 4 SUBxi, JMPs, L1 @ RPCs,
-ORG @ 0xb9 + HERE !
-CODE (n) ( 0xbf, number literal )
-    DI DX MOVxx, DI [DI] MOVx[], DI PUSHx,
-    DX INCx, DX INCx,
-;CODE
 ( END OF STABLE ABI )
diff --git a/blk/810 b/blk/810
index 7c36afe..a62bc11 100644
--- a/blk/810
+++ b/blk/810
@@ -3,3 +3,13 @@ lblchkPS BSET ( CX -> expected size )
     AX CX CMPxx,
     IFNC, ( we're good ) RETn, THEN,
     ( underflow ) DI 0x06 MOVxm, JMPs, lblexec @ RPCs,
+
+PC 3 - ORG @ 1+ ! ( main )
+    DX POPx, ( boot drive no ) 0x03 DL MOVmr,
+    SP PS_ADDR MOVxI, BP RS_ADDR MOVxI,
+    DI 0x08 MOVxm, ( LATEST )
+( HERE begins at CURRENT )
+    SYSVARS 0x4 ( HERE ) + DI MOVmx,
+    SYSVARS 0x2 ( CURRENT ) + DI MOVmx,
+    DI 0x04 ( BOOT ) MOVxm,
+    JMPn, lblexec @ RPCn, ( execute )
diff --git a/blk/811 b/blk/811
index 66789d6..cabbdca 100644
--- a/blk/811
+++ b/blk/811
@@ -1,9 +1,8 @@
-PC 3 - ORG @ 1+ ! ( main )
-    DX POPx, ( boot drive no ) 0x03 DL MOVmr,
-    SP PS_ADDR MOVxI, BP RS_ADDR MOVxI,
-    DI 0x08 MOVxm, ( LATEST )
-( HERE begins at CURRENT )
-    SYSVARS 0x4 ( HERE ) + DI MOVmx,
-    SYSVARS 0x2 ( CURRENT ) + DI MOVmx,
-    DI 0x04 ( BOOT ) MOVxm,
-    JMPn, lblexec @ RPCn, ( execute )
+( native words )
+CODE EXECUTE 1 chkPS,
+    DI POPx, JMPn, lblexec @ RPCn,
+CODE EXIT
+PC 0x0f - ORG @ 0x0d + ! ( stable abi )
+    DX [BP] 0 MOVx[]+, BP DECx, BP DECx, ( popRS )
+;CODE
+
diff --git a/blk/812 b/blk/812
index d0adf9e..2b01c01 100644
--- a/blk/812
+++ b/blk/812
@@ -1,9 +1,7 @@
-( native words )
-CODE EXECUTE 1 chkPS,
-    DI POPx, JMPn, lblexec @ RPCn,
-CODE EXIT
-PC 0x0f - ORG @ 0x0d + ! ( stable abi )
-    DX [BP] 0 MOVx[]+, BP DECx, BP DECx, ( popRS )
+CODE (n) ( number literal )
+PC 0x27 - ORG @ 0x25 + ! ( stable abi )
+    DI DX MOVxx, DI [DI] MOVx[], DI PUSHx,
+    DX INCx, DX INCx,
 ;CODE
 CODE (s) ( string literal, see B287 )
 PC 0x2f - ORG @ 0x2d + ! ( stable abi )
diff --git a/cvm/forth.bin b/cvm/forth.bin
index 7848cc6..1cd046e 100644
Binary files a/cvm/forth.bin and b/cvm/forth.bin differ
diff --git a/cvm/xcomp.fs b/cvm/xcomp.fs
index 5153b13..16247c1 100644
--- a/cvm/xcomp.fs
+++ b/cvm/xcomp.fs
@@ -12,6 +12,8 @@ CREATE BIN( 0 ,
 H@ ORG !
 ORG @ 0x0b + HERE !
 0 C, 0 C, ( EXIT )
+ORG @ 0x23 + HERE !
+0 C, 0x05 C, ( (n) )
 ORG @ 0x2b + HERE !
 0 C, 0x06 C, ( (s) )
 ORG @ 0x33 + HERE !