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cygwin下的包含各种c基本操作的demo程序

putc.o:     file format elf32-m68k

Disassembly of section .text:

00000000 <putc>:
   0:	4e56 0000      	linkw %fp,#0
   4:	2f0a           	movel %a2,%sp@-
   6:	2f02           	movel %d2,%sp@-
   8:	246e 000c      	moveal %fp@(12),%a2
   c:	4aaa 0048      	tstl %a2@(72)
  10:	660c           	bnes 1e <putc+0x1e>
  12:	486a 004c      	pea %a2@(76)
  16:	4eb9 0000 0000 	jsr 0 <putc>
  1c:	588f           	addql #4,%sp
  1e:	2f0a           	movel %a2,%sp@-
  20:	2f2e 0008      	movel %fp@(8),%sp@-
  24:	4eb9 0000 0000 	jsr 0 <putc>
  2a:	2400           	movel %d0,%d2
  2c:	508f           	addql #8,%sp
  2e:	4aaa 0048      	tstl %a2@(72)
  32:	660a           	bnes 3e <putc+0x3e>
  34:	486a 004c      	pea %a2@(76)
  38:	4eb9 0000 0000 	jsr 0 <putc>
  3e:	2002           	movel %d2,%d0
  40:	242e fff8      	movel %fp@(-8),%d2
  44:	246e fffc      	moveal %fp@(-4),%a2
  48:	4e5e           	unlk %fp
  4a:	4e75           	rts

0000004c <putc_unlocked>:
  4c:	4e56 0000      	linkw %fp,#0
  50:	202e 0008      	movel %fp@(8),%d0
  54:	206e 000c      	moveal %fp@(12),%a0
  58:	2268 001c      	moveal %a0@(28),%a1
  5c:	b3e8 0028      	cmpal %a0@(40),%a1
  60:	650c           	bcss 6e <putc_unlocked+0x22>
  62:	2f08           	movel %a0,%sp@-
  64:	2f00           	movel %d0,%sp@-
  66:	4eb9 0000 0000 	jsr 0 <putc>
  6c:	600c           	bras 7a <putc_unlocked+0x2e>
  6e:	1280           	moveb %d0,%a1@
  70:	52a8 001c      	addql #1,%a0@(28)
  74:	0280 0000 00ff 	andil #255,%d0
  7a:	4e5e           	unlk %fp
  7c:	4e75           	rts