[ { fixnum } declare [ HEX: F00F bitand ] [ HEX: 0F00 bitand -4 shift ] [ HEX: 00F0 bitand 4 shift ] tri bitor bitor ] disassemble
000000010f2d8980: 498b06          mov rax, [r14]
000000010f2d8983: 48c1f804        sar rax, 0x4
000000010f2d8987: 4889c1          mov rcx, rax
000000010f2d898a: 4881e10ff00000  and rcx, 0xf00f
000000010f2d8991: 4889c2          mov rdx, rax
000000010f2d8994: 4881e2000f0000  and rdx, 0xf00
000000010f2d899b: 48c1e204        shl rdx, 0x4
000000010f2d899f: 48c1fa08        sar rdx, 0x8
000000010f2d89a3: 4881e0f0000000  and rax, 0xf0
000000010f2d89aa: 48c1e004        shl rax, 0x4
000000010f2d89ae: 4809c2          or rdx, rax
000000010f2d89b1: 4809d1          or rcx, rdx
000000010f2d89b4: 48c1e104        shl rcx, 0x4
000000010f2d89b8: 49890e          mov [r14], rcx
000000010f2d89bb: c3              ret