jona/unix-v6
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Add original unix v6

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memnoth
2018-01-27 22:35:41 +09:00
commit 2c7099ee50
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/
/
/ a9 -- pdp-11 assembler pass 1
eae = 0
/ key to types
/ 0 undefined
/ 1 absolute
/ 2 text
/ 3 data
/ 4 bss
/ 5 flop freg,dst (movfo, = stcfd)
/ 6 branch
/ 7 jsr
/ 10 rts
/ 11 sys
/ 12 movf (=ldf,stf)
/ 13 double operand (mov)
/ 14 flop fsrc,freg (addf)
/ 15 single operand (clr)
/ 16 .byte
/ 17 string (.ascii, "<")
/ 20 .even
/ 21 .if
/ 22 .endif
/ 23 .globl
/ 24 register
/ 25 .text
/ 26 .data
/ 27 .bss
/ 30 mul,div, etc
/ 31 sob
/ 32 .comm
/ 33 estimated text
/ 34 estimated data
/ 35 jbr
/ 36 jeq, jne, etc
.data
symtab:
/ special variables
<.\0\0\0\0\0\0\0>; dotrel:02; dot:000000
<..\0\0\0\0\0\0>; 01; dotdot:000000
/ register
<r0\0\0\0\0\0\0>; 24;000000
<r1\0\0\0\0\0\0>; 24;000001
<r2\0\0\0\0\0\0>; 24;000002
<r3\0\0\0\0\0\0>; 24;000003
<r4\0\0\0\0\0\0>; 24;000004
<r5\0\0\0\0\0\0>; 24;000005
<sp\0\0\0\0\0\0>; 24;000006
<pc\0\0\0\0\0\0>; 24;000007
.if eae
/eae & switches
<csw\0\0\0\0\0>; 01;177570
<div\0\0\0\0\0>; 01;177300
<ac\0\0\0\0\0\0>; 01;177302
<mq\0\0\0\0\0\0>; 01;177304
<mul\0\0\0\0\0>; 01;177306
<sc\0\0\0\0\0\0>; 01;177310
<sr\0\0\0\0\0\0>; 01;177311
<nor\0\0\0\0\0>; 01;177312
<lsh\0\0\0\0\0>; 01;177314
<ash\0\0\0\0\0>; 01;177316
.endif
/ system calls
<exit\0\0\0\0>; 01;0000001
<fork\0\0\0\0>; 01;0000002
<read\0\0\0\0>; 01;0000003
<write\0\0\0>; 01;0000004
<open\0\0\0\0>; 01;0000005
<close\0\0\0>; 01;0000006
<wait\0\0\0\0>; 01;0000007
<creat\0\0\0>; 01;0000010
<link\0\0\0\0>; 01;0000011
<unlink\0\0>; 01;0000012
<exec\0\0\0\0>; 01;0000013
<chdir\0\0\0>; 01;0000014
<time\0\0\0\0>; 01;0000015
<makdir\0\0>; 01;0000016
<chmod\0\0\0>; 01;0000017
<chown\0\0\0>; 01;0000020
<break\0\0\0>; 01;0000021
<stat\0\0\0\0>; 01;0000022
<seek\0\0\0\0>; 01;0000023
<tell\0\0\0\0>; 01;0000024
<mount\0\0\0>; 01;0000025
<umount\0\0>; 01;0000026
<setuid\0\0>; 01;0000027
<getuid\0\0>; 01;0000030
<stime\0\0\0>; 01;0000031
<fstat\0\0\0>; 01;0000034
<mdate\0\0\0>; 01;0000036
<stty\0\0\0\0>; 01;0000037
<gtty\0\0\0\0>; 01;0000040
<nice\0\0\0\0>; 01;0000042
<signal\0\0>; 01;0000060
/ double operand
<mov\0\0\0\0\0>; 13;0010000
<movb\0\0\0\0>; 13;0110000
<cmp\0\0\0\0\0>; 13;0020000
<cmpb\0\0\0\0>; 13;0120000
<bit\0\0\0\0\0>; 13;0030000
<bitb\0\0\0\0>; 13;0130000
<bic\0\0\0\0\0>; 13;0040000
<bicb\0\0\0\0>; 13;0140000
<bis\0\0\0\0\0>; 13;0050000
<bisb\0\0\0\0>; 13;0150000
<add\0\0\0\0\0>; 13;0060000
<sub\0\0\0\0\0>; 13;0160000
/ branch
<br\0\0\0\0\0\0>; 06;0000400
<bne\0\0\0\0\0>; 06;0001000
<beq\0\0\0\0\0>; 06;0001400
<bge\0\0\0\0\0>; 06;0002000
<blt\0\0\0\0\0>; 06;0002400
<bgt\0\0\0\0\0>; 06;0003000
<ble\0\0\0\0\0>; 06;0003400
<bpl\0\0\0\0\0>; 06;0100000
<bmi\0\0\0\0\0>; 06;0100400
<bhi\0\0\0\0\0>; 06;0101000
<blos\0\0\0\0>; 06;0101400
<bvc\0\0\0\0\0>; 06;0102000
<bvs\0\0\0\0\0>; 06;0102400
<bhis\0\0\0\0>; 06;0103000
<bec\0\0\0\0\0>; 06;0103000
<bcc\0\0\0\0\0>; 06;0103000
<blo\0\0\0\0\0>; 06;0103400
<bcs\0\0\0\0\0>; 06;0103400
<bes\0\0\0\0\0>; 06;0103400
/ jump/branch type
<jbr\0\0\0\0\0>; 35;0000400
<jne\0\0\0\0\0>; 36;0001000
<jeq\0\0\0\0\0>; 36;0001400
<jge\0\0\0\0\0>; 36;0002000
<jlt\0\0\0\0\0>; 36;0002400
<jgt\0\0\0\0\0>; 36;0003000
<jle\0\0\0\0\0>; 36;0003400
<jpl\0\0\0\0\0>; 36;0100000
<jmi\0\0\0\0\0>; 36;0100400
<jhi\0\0\0\0\0>; 36;0101000
<jlos\0\0\0\0>; 36;0101400
<jvc\0\0\0\0\0>; 36;0102000
<jvs\0\0\0\0\0>; 36;0102400
<jhis\0\0\0\0>; 36;0103000
<jec\0\0\0\0\0>; 36;0103000
<jcc\0\0\0\0\0>; 36;0103000
<jlo\0\0\0\0\0>; 36;0103400
<jcs\0\0\0\0\0>; 36;0103400
<jes\0\0\0\0\0>; 36;0103400
/ single operand
<clr\0\0\0\0\0>; 15;0005000
<clrb\0\0\0\0>; 15;0105000
<com\0\0\0\0\0>; 15;0005100
<comb\0\0\0\0>; 15;0105100
<inc\0\0\0\0\0>; 15;0005200
<incb\0\0\0\0>; 15;0105200
<dec\0\0\0\0\0>; 15;0005300
<decb\0\0\0\0>; 15;0105300
<neg\0\0\0\0\0>; 15;0005400
<negb\0\0\0\0>; 15;0105400
<adc\0\0\0\0\0>; 15;0005500
<adcb\0\0\0\0>; 15;0105500
<sbc\0\0\0\0\0>; 15;0005600
<sbcb\0\0\0\0>; 15;0105600
<tst\0\0\0\0\0>; 15;0005700
<tstb\0\0\0\0>; 15;0105700
<ror\0\0\0\0\0>; 15;0006000
<rorb\0\0\0\0>; 15;0106000
<rol\0\0\0\0\0>; 15;0006100
<rolb\0\0\0\0>; 15;0106100
<asr\0\0\0\0\0>; 15;0006200
<asrb\0\0\0\0>; 15;0106200
<asl\0\0\0\0\0>; 15;0006300
<aslb\0\0\0\0>; 15;0106300
<jmp\0\0\0\0\0>; 15;0000100
<swab\0\0\0\0>; 15;0000300
/ jsr
<jsr\0\0\0\0\0>; 07;0004000
/ rts
<rts\0\0\0\0\0>; 010;000200
/ simple operand
<sys\0\0\0\0\0>; 011;104400
/ flag-setting
<clc\0\0\0\0\0>; 01;0000241
<clv\0\0\0\0\0>; 01;0000242
<clz\0\0\0\0\0>; 01;0000244
<cln\0\0\0\0\0>; 01;0000250
<sec\0\0\0\0\0>; 01;0000261
<sev\0\0\0\0\0>; 01;0000262
<sez\0\0\0\0\0>; 01;0000264
<sen\0\0\0\0\0>; 01;0000270
/ floating point ops
<cfcc\0\0\0\0>; 01;170000
<setf\0\0\0\0>; 01;170001
<setd\0\0\0\0>; 01;170011
<seti\0\0\0\0>; 01;170002
<setl\0\0\0\0>; 01;170012
<clrf\0\0\0\0>; 15;170400
<negf\0\0\0\0>; 15;170700
<absf\0\0\0\0>; 15;170600
<tstf\0\0\0\0>; 15;170500
<movf\0\0\0\0>; 12;172400
<movif\0\0\0>; 14;177000
<movfi\0\0\0>; 05;175400
<movof\0\0\0>; 14;177400
<movfo\0\0\0>; 05;176000
<addf\0\0\0\0>; 14;172000
<subf\0\0\0\0>; 14;173000
<mulf\0\0\0\0>; 14;171000
<divf\0\0\0\0>; 14;174400
<cmpf\0\0\0\0>; 14;173400
<modf\0\0\0\0>; 14;171400
<movie\0\0\0>; 14;176400
<movei\0\0\0>; 05;175000
<ldfps\0\0\0>; 15;170100
<stfps\0\0\0>; 15;170200
<fr0\0\0\0\0\0>; 24;000000
<fr1\0\0\0\0\0>; 24;000001
<fr2\0\0\0\0\0>; 24;000002
<fr3\0\0\0\0\0>; 24;000003
<fr4\0\0\0\0\0>; 24;000004
<fr5\0\0\0\0\0>; 24;000005
/ 11/45 operations
<als\0\0\0\0\0>; 30;072000
<alsc\0\0\0\0>; 30;073000
<mpy\0\0\0\0\0>; 30;070000
.if eae-1
<mul\0\0\0\0\0>; 30;070000
<div\0\0\0\0\0>; 30;071000
<ash\0\0\0\0\0>; 30;072000
<ashc\0\0\0\0>; 30;073000
.endif
<dvd\0\0\0\0\0>; 30;071000
<xor\0\0\0\0\0>; 07;074000
<sxt\0\0\0\0\0>; 15;006700
<mark\0\0\0\0>; 11;006400
<sob\0\0\0\0\0>; 31;077000
/ specials
<.byte\0\0\0>; 16;000000
<.even\0\0\0>; 20;000000
<.if\0\0\0\0\0>; 21;000000
<.endif\0\0>; 22;000000
<.globl\0\0>; 23;000000
<.text\0\0\0>; 25;000000
<.data\0\0\0>; 26;000000
<.bss\0\0\0\0>; 27;000000
<.comm\0\0\0>; 32;000000
ebsymtab:
start:
sys signal; 2; 1
ror r0
bcs 1f
sys signal; 2; aexit
1:
mov sp,r5
mov (r5)+,r0
cmpb *2(r5),$'-
bne 1f
tst (r5)+
dec r0
br 2f
1:
clr unglob
2:
movb r0,nargs
mov r5,curarg
jsr r5,fcreat; a.tmp1
movb r0,pof
jsr r5,fcreat; a.tmp2
movb r0,fbfil
jsr pc,setup
jmp go
setup:
mov $symtab,r1
1:
clr r3
mov $8,r2
mov r1,-(sp)
2:
movb (r1)+,r4
beq 2f
add r4,r3
swab r3
sob r2,2b
2:
clr r2
div $hshsiz,r2
ashc $1,r2
add $hshtab,r3
4:
sub r2,r3
cmp r3,$hshtab
bhi 3f
add $2*hshsiz,r3
3:
tst -(r3)
bne 4b
mov (sp)+,r1
mov r1,(r3)
add $12.,r1
cmp r1,$ebsymtab
blo 1b
rts pc
/overlay buffer
inbuf = setup
. =inbuf+512.