diff --git a/apps/zasm/avr.asm b/apps/zasm/avr.asm
index 36e87cd..0ad0808 100644
--- a/apps/zasm/avr.asm
+++ b/apps/zasm/avr.asm
@@ -66,6 +66,7 @@ instrNames:
 .db "LAC", 0
 .db "LAS", 0
 .db "LAT", 0
+.db "LSL", 0
 .db "LSR", 0
 .db "MOV", 0
 .db "MUL", 0
@@ -95,7 +96,7 @@ instrNames:
 .db "SWAP", 0
 .db "WDR", 0
 .db "XCH", 0
-.equ	I_ANDI	80
+.equ	I_ANDI	81
 .db "ANDI", 0
 .db "CBR", 0
 .db "CPI", 0
@@ -104,10 +105,10 @@ instrNames:
 .db "SBCI", 0
 .db "SBR", 0
 .db "SUBI", 0
-.equ	I_RCALL	88
+.equ	I_RCALL	89
 .db "RCALL", 0
 .db "RJMP", 0
-.equ	I_CBI	90
+.equ	I_CBI	91
 .db "CBI", 0
 .db "SBI", 0
 .db "SBIC", 0
@@ -116,7 +117,7 @@ instrNames:
 ; ZASM limitation: CALL and JMP constants are 22-bit. In ZASM, we limit
 ; ourselves to 16-bit. Supporting 22-bit would incur a prohibitive complexity
 ; cost. As they say, 64K words ought to be enough for anybody.
-.equ	I_CALL	94
+.equ	I_CALL	95
 .db "CALL", 0
 .db "JMP", 0
 .db 0xff
@@ -180,6 +181,7 @@ instrTbl:
 .db 0x01, 0b10010010, 0b00000110	; LAC Rd
 .db 0x01, 0b10010010, 0b00000101	; LAS Rd
 .db 0x01, 0b10010010, 0b00000111	; LAT Rd
+.db 0x41, 0b00001100, 0x00		; LSL Rd
 .db 0x01, 0b10010100, 0b00000110	; LSR Rd
 .db 0x02, 0b00101100, 0x00		; MOV Rd, Rr
 .db 0x02, 0b10011100, 0x00		; MUL Rd, Rr
diff --git a/avr/ops.txt b/avr/ops.txt
index 8dbca73..78d34ce 100644
--- a/avr/ops.txt
+++ b/avr/ops.txt
@@ -21,8 +21,8 @@ IJMP, NOP, RET, RETI, SEC, SEH, SEI, SEN, SES, SET, SEV, SEZ, SLEEP, SPM*, WDR
 
 XXXX XXXd dddd XXXX
 
-ASR, COM, DEC, ELPM*, INC, LAC, LAS, LAT, LD*, LPM*, LSR, NEG, POP, PUSH, ROR,
-ST*, SWAP, XCH
+ASR, COM, DEC, ELPM*, INC, LAC, LAS, LAT, LD*, LPM*, LSL*, LSR, NEG, POP, PUSH,
+ROR, ST*, SWAP, XCH
 
 ## Rd(5) + Rr(5)
 
diff --git a/tools/tests/avra/test1.asm b/tools/tests/avra/test1.asm
index 595ca6e..f7753b7 100644
--- a/tools/tests/avra/test1.asm
+++ b/tools/tests/avra/test1.asm
@@ -22,3 +22,4 @@ bclr	7
 call	foo
 jmp	bar
 mov	r6, r30
+lsl	r3
diff --git a/tools/tests/avra/test1.expected b/tools/tests/avra/test1.expected
index 19a7b1a..9446321 100644
Binary files a/tools/tests/avra/test1.expected and b/tools/tests/avra/test1.expected differ