4.3BSD/usr/contrib/icon/iconx/interp.s
#include "../h/config.h"
/*
* Icon interpreter.
*/
Global(_c_exit) /* Exit */
Global(_current) /* Descriptor for current coexpression block */
Global(_file) /* Source file name */
Global(_globals) /* Pointer to first global variable */
Global(_ident)
Global(_line) /* Source line number */
Global(_k_pos) /* &pos */
Global(_k_subject) /* &subject */
Global(_statics) /* Pointer to first static variable */
Global(_syserr) /* Internal system error */
Global(_interp) /* Main interpreter loop */
#ifdef VAX
/*
* Some defines for the interpreter.
*/
#define Op r1
#define GetOp movl (ipc)+,Op
#define PushOp pushl Op
#define PushNull clrq -(sp)
#define Push_R(a) pushl a
#define Push_S(a) pushl a
#define Push_K(a) pushl $a
#define PushOpSum_R(a) addl3 Op,a,-(sp)
#define PushOpSum_S(a) addl3 Op,a,-(sp)
#define NextInst jmp _interp
#define CallN(n) pushl $n;\
calls $((n*2)+1),*optab(r0)
#define CallNameN(n,f) pushl $n;\
calls $((n*2)+1),f
#define BitClear(m) bicl2 $~m,Op
#define Jump(lab) jbr lab
#define LongJump(lab) jmp lab
#define Label(lab) lab:
/*
* Globals for various routines.
*/
#define Glob4(a,b,c,d) Global(a); Global(b); Global(c); Global(d)
Glob4(_asgn, _bang, _bscan, _cat)
Glob4(_coact, _cofail, _compl, _coret)
Glob4(_create, _diff, _div, _eqv)
Glob4(_escan, _esusp, _field, _inter)
Glob4(_invoke, _keywd, _lconcat, _lexeq)
Glob4(_lexge, _lexgt, _lexle, _lexlt)
Glob4(_lexne, _limit, _llist, _lsusp)
Glob4(_minus, _mod, _mult, _neg)
Glob4(_neqv, _nonnull, _null, _number)
Glob4(_numeq, _numge, _numgt, _numle)
Glob4(_numlt, _numne, _pfail, _plus)
Glob4(_power, _pret, _psusp, _random)
Glob4(_rasgn, _refresh, _rswap, _sect)
Glob4(_size, _subsc, _swap, _tabmat)
Global(_toby); Global(_unioncs); Global(_value)
Label(jumptab)
/*
* The jump table, the interpreter branches to the nth label
* to execute opcode n.
*/
/* 0 */ .long quit, op_asgn, op_bang, op_cat
/* 4 */ .long op_compl, op_diff, op_div, op_eqv
/* 8 */ .long op_inter, op_lconcat, op_lexeq, op_lexge
/* 12 */ .long op_lexgt, op_lexle, op_lexlt, op_lexne
/* 16 */ .long op_minus, op_mod, op_mult, op_neg
/* 20 */ .long op_neqv, op_nonnull, op_null, op_number
/* 24 */ .long op_numeq, op_numge, op_numgt, op_numle
/* 28 */ .long op_numlt, op_numne, op_plus, op_power
/* 32 */ .long op_random, op_rasgn, op_refresh, op_rswap
/* 36 */ .long op_sect, op_size, op_subsc, op_swap
/* 40 */ .long op_tabmat, op_toby, op_unioncs, op_value
/* 44 */ .long op_bscan, op_ccase, op_chfail, op_coact
/* 48 */ .long op_cofail, op_coret, op_create, op_cset
/* 52 */ .long op_dup, op_efail, op_eret, op_escan
/* 56 */ .long op_esusp, op_field, op_file, op_goto
/* 60 */ .long op_incres, op_init, op_int, op_invoke
/* 64 */ .long op_keywd, err, op_limit, op_line
/* 68 */ .long op_llist, op_lsusp, op_mark, op_pfail
/* 72 */ .long op_pnull, op_pop, op_pret, op_psusp
/* 76 */ .long op_push1, op_pushn1, op_real, op_sdup
/* 80 */ .long op_str, op_unmark, err, err
/* 84 */ .long op_local, err, err, err
/* 88 */ .long err, err, err, err
/* 92 */ .long op_global, op_arg, op_static, op_mark0
/* 96 */ .long err, err, err, err
/* 100 */ .long err, err, err, err
/* 104 */ .long err, err, err, err
/* 108 */ .long err, err, err, err
/* 112 */ .long op_globx, op_globx, op_globx, op_globx
/* 116 */ .long op_globx, op_globx, op_globx, op_globx
/* 120 */ .long op_globx, op_globx, op_globx, op_globx
/* 124 */ .long op_globx, op_globx, op_globx, op_globx
/* 128 */ .long op_locx, op_locx, op_locx, op_locx
/* 132 */ .long op_locx, op_locx, op_locx, op_locx
/* 136 */ .long op_locx, op_locx, op_locx, op_locx
/* 140 */ .long op_locx, op_locx, op_locx, op_locx
/* 144 */ .long op_intx, op_intx, op_intx, op_intx
/* 148 */ .long op_intx, op_intx, op_intx, op_intx
/* 152 */ .long op_intx, op_intx, op_intx, op_intx
/* 156 */ .long op_intx, op_intx, op_intx, op_intx
/* 160 */ .long op_statx, op_statx, op_statx, op_statx
/* 164 */ .long op_statx, op_statx, op_statx, op_statx
/* 168 */ .long op_argx, op_argx, op_argx, op_argx
/* 172 */ .long op_argx, op_argx, op_argx, op_argx
/* 176 */ .long op_unmk0, op_unmk1, op_unmk2, op_unmk3
/* 180 */ .long op_unmk4, op_unmk5, op_unmk6, op_unmk7
/* 184 */ .long op_invkx, op_invkx, op_invkx, op_invkx
/* 188 */ .long op_invkx, op_invkx, op_invkx, op_invkx
/* 192 */ .long op_linex, op_linex, op_linex, op_linex
/* 196 */ .long op_linex, op_linex, op_linex, op_linex
/* 200 */ .long op_linex, op_linex, op_linex, op_linex
/* 204 */ .long op_linex, op_linex, op_linex, op_linex
/* 208 */ .long op_linex, op_linex, op_linex, op_linex
/* 212 */ .long op_linex, op_linex, op_linex, op_linex
/* 216 */ .long op_linex, op_linex, op_linex, op_linex
/* 220 */ .long op_linex, op_linex, op_linex, op_linex
/* 224 */ .long op_linex, op_linex, op_linex, op_linex
/* 228 */ .long op_linex, op_linex, op_linex, op_linex
/* 232 */ .long op_linex, op_linex, op_linex, op_linex
/* 236 */ .long op_linex, op_linex, op_linex, op_linex
/* 240 */ .long op_linex, op_linex, op_linex, op_linex
/* 244 */ .long op_linex, op_linex, op_linex, op_linex
/* 248 */ .long op_linex, op_linex, op_linex, op_linex
/* 252 */ .long op_linex, op_linex, op_linex, op_linex
Label(optab)
/*
* When an opcode n has a subroutine call associated with it, the
* nth word here is the routine to call.
*/
/* 0 */ .long err, _asgn, _bang, _cat
/* 4 */ .long _compl, _diff, _div, _eqv
/* 8 */ .long _inter, _lconcat, _lexeq, _lexge
/* 12 */ .long _lexgt, _lexle, _lexlt, _lexne
/* 16 */ .long _minus, _mod, _mult, _neg
/* 20 */ .long _neqv, _nonnull, _null, _number
/* 24 */ .long _numeq, _numge, _numgt, _numle
/* 28 */ .long _numlt, _numne, _plus, _power
/* 32 */ .long _random, _rasgn, _refresh, _rswap
/* 36 */ .long _sect, _size, _subsc, _swap
/* 40 */ .long _tabmat, _toby, _unioncs, _value
/* 44 */ .long _bscan, err, err, _coact
/* 48 */ .long _cofail, _coret, _create, err
/* 52 */ .long err, err, err, _escan
/* 56 */ .long _esusp, _field, err, err
/* 60 */ .long err, err, err, _invoke
/* 64 */ .long _keywd, err, _limit, err
/* 68 */ .long _llist, _lsusp, err, _pfail
/* 72 */ .long err, err, _pret, _psusp
.text
/*
* Interpreter main loop.
*/
Label(_interp)
movzbl (ipc)+,r0
movl r0,Op
ashl $2,r0,r0
jmp *jumptab(r0)
/*
* Ternary operators.
*/
Label(op_toby) /* e1 to e2 by e3 */
Label(op_escan) /* escan */
CallN(3)
NextInst
Label(op_sect) /* e1[e2:e3] */
PushNull
CallN(4)
NextInst
/*
* Binary operators.
*/
Label(op_asgn) /* e1 := e2 */
Label(op_cat) /* e1 || e2 */
Label(op_diff) /* e1 -- e2 */
Label(op_div) /* e1 / e2 */
Label(op_eqv) /* e1 === e2 */
Label(op_inter) /* e1 ** e2 */
Label(op_lconcat) /* e1 ||| e2 */
Label(op_lexeq) /* e1 == e2 */
Label(op_lexge) /* e1 >>= e2 */
Label(op_lexgt) /* e1 >> e2 */
Label(op_lexle) /* e1 <<= e2 */
Label(op_lexlt) /* e1 << e2 */
Label(op_lexne) /* e1 ~== e2 */
Label(op_minus) /* e1 - e2 */
Label(op_mod) /* e1 % e2 */
Label(op_mult) /* e1 * e2 */
Label(op_neqv) /* e1 ~==== e2 */
Label(op_numeq) /* e1 = e2 */
Label(op_numge) /* e1 >= e2 */
Label(op_numgt) /* e1 > e2 */
Label(op_numle) /* e1 <= e2 */
Label(op_numlt) /* e1 < e2 */
Label(op_numne) /* e1 ~= e2 */
Label(op_plus) /* e1 + e2 */
Label(op_power) /* e1 ^ e2 */
Label(op_rasgn) /* e1 <- e2 */
Label(op_unioncs) /* e1 ++ e2 */
CallN(2)
NextInst
Label(op_rswap) /* e1 <-> e2 */
Label(op_subsc) /* e1[e2] */
Label(op_swap) /* e1 :=: e2 */
PushNull
CallN(3)
NextInst
/*
* Unary operators.
*/
Label(op_compl) /* ~e */
Label(op_neg) /* -e */
Label(op_nonnull) /* \e */
Label(op_null) /* /e */
Label(op_number) /* +e */
Label(op_refresh) /* ^e */
Label(op_size) /* *e */
Label(op_value) /* .e */
Label(op_coact) /* @e */
Label(op_esusp) /* esusp */
Label(op_pret) /* pret */
CallN(1)
NextInst
Label(op_bang) /* !e */
Label(op_random) /* ?e */
Label(op_tabmat) /* =e */
PushNull
CallN(2)
NextInst
/*
* Instructions.
*/
Label(op_bscan) /* bscan */
movq _k_subject,-(sp)
Push_S(_k_pos)
Push_K(D_INTEGER)
CallN(0)
NextInst
Label(op_ccase) /* ccase */
PushNull
movq 4(efp),-(sp)
NextInst
Label(op_chfail) /* chfail */
GetOp
addl3 ipc,Op,-8(efp)
NextInst
Label(op_efail) /* efail */
LongJump(_efail)
Label(op_pfail) /* pfail */
LongJump(_pfail)
Label(op_cofail) /* cofail */
Label(op_coret) /* coret */
Label(op_limit) /* limit */
Label(op_lsusp) /* lsusp */
Label(op_psusp) /* psusp */
CallN(0)
NextInst
Label(op_create) /* create */
GetOp
PushOpSum_R(ipc)
Push_K(D_INTEGER)
CallNameN(0,_create)
NextInst
Label(op_cset) /* cset */
GetOp
PushOpSum_R(ipc)
Push_K(D_CSET)
NextInst
Label(op_dup) /* dup */
PushNull
movq 8(sp),-(sp)
NextInst
Label(op_field) /* field */
GetOp
PushOp
Push_K(D_INTEGER)
CallNameN(2,_field)
NextInst
Label(op_eret) /* eret */
movq (sp)+,r0
movl -4(efp),gfp
movl efp,sp
movl (sp)+,efp
movq r0,-(sp)
NextInst
Label(op_file) /* file */
GetOp
addl3 Op,_ident,_file
NextInst
Label(op_goto) /* goto */
GetOp
addl2 Op,ipc
NextInst
Label(op_incres) /* incres */
movl _current+4,r0
incl 28(r0)
NextInst
Label(op_init) /* init */
movb $59,-(ipc)
addl2 $5,ipc /* Watch out here, that 5 comes from
# bytes in op + operand, not to
mention that the 59 is OP_GOTO */
NextInst
Label(op_invoke) /* invoke */
GetOp
Jump(invkjmp)
Label(op_invkx)
BitClear(7)
Label(invkjmp)
PushOp
ashl $1,Op,Op
incl Op
calls Op,_invoke
NextInst
Label(op_int) /* int */
movl (ipc)+,Op /* Special case here, integers come
out as a WORDSIZE value */
Jump(intjmp)
Label(op_intx)
BitClear(15)
Label(intjmp)
PushOp
Push_K(D_INTEGER)
NextInst
Label(op_keywd) /* keywd */
GetOp
PushOp
Push_K(D_INTEGER)
CallNameN(0,_keywd)
NextInst
Label(op_line) /* line */
GetOp
Jump(linejmp)
Label(op_linex)
BitClear(63)
Label(linejmp)
movl Op,_line
NextInst
Label(op_llist) /* llist */
GetOp
PushOp
movl Op,r8 /* Do a workaround to allow for more */
calls $0,_llist /* than 256 words of arg list. */
ashl $1,r8,r8 /* This assumes that we don't "reenter" */
incl r8 /* this piece of code. */
ashl $2,r8,r8
addl2 r8,sp
NextInst
Label(op_mark) /* mark */
GetOp
addl2 ipc,Op
Push_R(efp)
movl sp,efp
Push_R(gfp)
clrl gfp
PushOp
NextInst
Label(op_mark0) /* mark0 */
Push_R(efp)
movl sp,efp
Push_R(gfp)
clrl gfp
Push_K(0)
NextInst
Label(op_pnull) /* pnull */
PushNull
NextInst
Label(op_pop) /* pop */
tstl (sp)+
tstl (sp)+
NextInst
Label(op_push1) /* push1 */
Push_K(1)
Push_K(D_INTEGER)
NextInst
Label(op_pushn1) /* pushn1 */
Push_K(-1)
Push_K(D_INTEGER)
NextInst
Label(op_real) /* real */
GetOp
PushOpSum_R(ipc)
Push_K(D_REAL)
NextInst
Label(op_sdup) /* sdup */
movq (sp),-(sp)
NextInst
Label(op_str) /* str */
GetOp
PushOpSum_S(_ident)
GetOp
PushOp
NextInst
Label(op_unmark) /* unmark */
GetOp
Label(unmkjmp)
movl (efp),efp
sobgtr Op,unmkjmp
movl -4(efp),gfp
movl efp,sp
movl (sp)+,efp
NextInst
Label(op_unmk7)
movl (efp),efp
Label(op_unmk6)
movl (efp),efp
Label(op_unmk5)
movl (efp),efp
Label(op_unmk4)
movl (efp),efp
Label(op_unmk3)
movl (efp),efp
Label(op_unmk2)
movl (efp),efp
Label(op_unmk1)
movl -4(efp),gfp
movl efp,sp
movl (sp)+,efp
Label(op_unmk0)
NextInst
Label(op_global) /* global */
GetOp
Jump(globjmp)
Label(op_globx)
BitClear(15)
Label(globjmp)
ashl $3,Op,Op
PushOpSum_S(_globals)
Push_K(D_VAR)
NextInst
Label(op_static) /* static */
GetOp
Jump(statjmp)
Label(op_statx)
BitClear(7)
Label(statjmp)
ashl $3,Op,Op
PushOpSum_S(_statics)
Push_K(D_VAR)
NextInst
Label(op_local) /* local */
GetOp
Jump(locjmp)
Label(op_locx)
BitClear(15)
Label(locjmp)
mnegl Op,Op
movaq -16(fp)[Op],-(sp)
Push_K(D_VAR)
NextInst
Label(op_arg) /* arg */
GetOp
Jump(argjmp)
Label(op_argx)
BitClear(7)
Label(argjmp)
pushaq 8(ap)[Op]
Push_K(D_VAR)
NextInst
Label(quit) /* quit */
Push_K(0)
calls $1,_c_exit
Label(err) /* err */
subl3 _code,ipc,-(sp)
ashl $-2,r0,-(sp)
Push_K(unrecog)
Push_K(message)
calls $3,_sprintf
Push_K(message)
calls $0,_syserr
.data
Label(message)
.space 30
Label(unrecog)
.asciz "Unknown opcode %d, pc = %d\n"
halt
#endif VAX
#ifdef PORT
/* Copy the code for the VAX in here and work on it */
DummyFcn(_interp)
#endif PORT
#ifdef PDP11
/ Icon interpreter
.globl _c_exit
.globl _current
.globl _file
.globl _globals
.globl _ident
.globl _line
.globl _k_pos
.globl _k_subject
.globl _statics
.globl _syserr
.globl _interp
_interp:
movb (r2)+,r0
bic $!377,r0
mov r0,r1
asl r0
jmp *jumptab(r0)
.data
jumptab:
quit; op_asgn; op_bang; op_cat
op_compl; op_diff; op_div; op_eqv
op_inter; op_lconcat; op_lexeq; op_lexge
op_lexgt; op_lexle; op_lexlt; op_lexne
op_minus; op_mod; op_mult; op_neg
op_neqv; op_nonnull; op_null; op_number
op_numeq; op_numge; op_numgt; op_numle
op_numlt; op_numne; op_plus; op_power
op_random; op_rasgn; op_refresh; op_rswap
op_sect; op_size; op_subsc; op_swap
op_tabmat; op_toby; op_unioncs; op_value
op_bscan; op_ccase; op_chfail; op_coact
op_cofail; op_coret; op_create; op_cset
op_dup; op_efail; op_eret; op_escan
op_esusp; op_field; op_file; op_goto
op_incres; op_init; op_int; op_invoke
op_keywd; err; op_limit; op_line
op_llist; op_lsusp; op_mark; op_pfail
op_pnull; op_pop; op_pret; op_psusp
op_push1; op_pushn1; op_real; op_sdup
op_str; op_unmark; err; err
op_local; op_long; err; err
err; err; err; err
op_global; op_arg; op_static; op_mark0
err; err; err; err
err; err; err; err
err; err; err; err
err; err; err; err
op_globx; op_globx; op_globx; op_globx
op_globx; op_globx; op_globx; op_globx
op_globx; op_globx; op_globx; op_globx
op_globx; op_globx; op_globx; op_globx
op_locx; op_locx; op_locx; op_locx
op_locx; op_locx; op_locx; op_locx
op_locx; op_locx; op_locx; op_locx
op_locx; op_locx; op_locx; op_locx
op_intx; op_intx; op_intx; op_intx
op_intx; op_intx; op_intx; op_intx
op_intx; op_intx; op_intx; op_intx
op_intx; op_intx; op_intx; op_intx
op_statx; op_statx; op_statx; op_statx
op_statx; op_statx; op_statx; op_statx
op_argx; op_argx; op_argx; op_argx
op_argx; op_argx; op_argx; op_argx
op_unmk0; op_unmk1; op_unmk2; op_unmk3
op_unmk4; op_unmk5; op_unmk6; op_unmk7
op_invkx; op_invkx; op_invkx; op_invkx
op_invkx; op_invkx; op_invkx; op_invkx
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
op_linex; op_linex; op_linex; op_linex
.globl _asgn, _bang, _cat
.globl _compl, _diff, _div, _eqv
.globl _inter, _lconcat, _lexeq, _lexge
.globl _lexgt, _lexle, _lexlt, _lexne
.globl _minus, _mod, _mult, _neg
.globl _neqv, _nonnull, _null, _number
.globl _numeq, _numge, _numgt, _numle
.globl _numlt, _numne, _plus, _power
.globl _random, _rasgn, _refresh, _rswap
.globl _sect, _size, _subsc, _swap
.globl _tabmat, _toby, _unioncs, _value
.globl _bscan
.globl _coact, _cofail, _coret, _create
.globl _efail
.globl _escan, _esusp, _field
.globl _invoke, _keywd
.globl _limit, _llist, _lsusp
.globl _pfail
.globl _pret, _psusp
optab:
err; _asgn; _bang; _cat
_compl; _diff; _div; _eqv
_inter; _lconcat; _lexeq; _lexge
_lexgt; _lexle; _lexlt; _lexne
_minus; _mod; _mult; _neg
_neqv; _nonnull; _null; _number
_numeq; _numge; _numgt; _numle
_numlt; _numne; _plus; _power
_random; _rasgn; _refresh; _rswap
_sect; _size; _subsc; _swap
_tabmat; _toby; _unioncs; _value
_bscan; err; err; _coact
_cofail; _coret; _create; err
err; _efail; err; _escan
_esusp; _field; err; err
err; err; err; _invoke
_keywd; err; _limit; err
_llist; _lsusp; err; _pfail
err; err; _pret; _psusp
.text
/ ternary operators
op_toby:
op_escan:
mov $3,-(sp)
jsr pc,*optab(r0)
jbr _interp
op_sect:
clr -(sp)
clr -(sp)
mov $4,-(sp)
jsr pc,*optab(r0)
jbr _interp
/ binary operators
op_asgn:
op_cat:
op_diff:
op_div:
op_eqv:
op_inter:
op_lconcat:
op_lexeq:
op_lexge:
op_lexgt:
op_lexle:
op_lexlt:
op_lexne:
op_minus:
op_mod:
op_mult:
op_neqv:
op_numeq:
op_numge:
op_numgt:
op_numle:
op_numlt:
op_numne:
op_plus:
op_power:
op_rasgn:
op_unioncs:
mov $2,-(sp)
jsr pc,*optab(r0)
jbr _interp
op_rswap:
op_subsc:
op_swap:
clr -(sp)
clr -(sp)
mov $3,-(sp)
jsr pc,*optab(r0)
jbr _interp
/ unary operators
op_compl:
op_neg:
op_nonnull:
op_null:
op_number:
op_refresh:
op_size:
op_value:
op_coact:
op_esusp:
op_pret:
mov $1,-(sp)
jsr pc,*optab(r0)
jbr _interp
op_bang:
op_random:
op_tabmat:
clr -(sp)
clr -(sp)
mov $2,-(sp)
jsr pc,*optab(r0)
jbr _interp
/ instructions
op_bscan:
mov _k_subject+2,-(sp)
mov _k_subject,-(sp)
mov _k_pos,-(sp)
mov $D_INTEGER,-(sp)
clr -(sp)
jsr pc,*optab(r0)
jbr _interp
op_ccase:
clr -(sp)
clr -(sp)
mov 4(r4),-(sp)
mov 2(r4),-(sp)
jbr _interp
op_chfail:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r2,r1
mov r1,-4(r4)
jbr _interp
op_cofail:
op_coret:
op_efail:
op_limit:
op_lsusp:
op_pfail:
op_psusp:
clr -(sp)
jsr pc,*optab(r0)
jbr _interp
op_create:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r2,r1
mov r1,-(sp)
mov $D_INTEGER,-(sp)
clr -(sp)
jsr pc,_create
jbr _interp
op_cset:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r2,r1
mov r1,-(sp)
mov $D_CSET,-(sp)
jbr _interp
op_dup:
clr -(sp)
clr -(sp)
mov 6(sp),-(sp)
mov 6(sp),-(sp)
jbr _interp
op_eret:
mov (sp)+,r0
mov (sp)+,r1
mov -2(r4),r3
mov r4,sp
mov (sp)+,r4
mov r1,-(sp)
mov r0,-(sp)
jbr _interp
op_field:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
mov r1,-(sp)
mov $D_INTEGER,-(sp)
mov $2,-(sp)
jsr pc,_field
jbr _interp
op_file:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add _ident,r1
mov r1,_file
jbr _interp
op_goto:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r1,r2
jbr _interp
op_incres:
mov _current+2,r0
inc 14.(r0)
jbr _interp
op_init:
movb $59.,-(r2) / change the INIT to a GOTO for next time
add $3,r2
jbr _interp
op_int:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_intx:
bic $!017,r1
1: mov r1,-(sp)
mov $D_INTEGER,-(sp)
jbr _interp
op_invoke:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_invkx:
bic $!07,r1
1: mov r1,-(sp)
jsr pc,_invoke
jbr _interp
op_keywd:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
mov r1,-(sp)
mov $D_INTEGER,-(sp)
clr -(sp)
jsr pc,_keywd
jbr _interp
op_line:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_linex:
bic $!077,r1
1: mov r1,_line
jbr _interp
op_llist:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
mov r1,-(sp)
jsr pc,_llist
jbr _interp
op_long:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r2,r1
mov r1,-(sp)
mov $D_LONGINT,-(sp)
jbr _interp
op_mark:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r2,r1
mov r4,-(sp)
mov sp,r4
mov r3,-(sp)
clr r3
mov r1,-(sp)
jbr _interp
op_mark0:
mov r4,-(sp)
mov sp,r4
mov r3,-(sp)
clr r3
clr -(sp)
jbr _interp
op_pnull:
clr -(sp)
clr -(sp)
jbr _interp
op_pop:
cmp (sp)+,(sp)+
jbr _interp
op_push1:
mov $1,-(sp)
mov $D_INTEGER,-(sp)
jbr _interp
op_pushn1:
mov $-1,-(sp)
mov $D_INTEGER,-(sp)
jbr _interp
op_real:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add r2,r1
mov r1,-(sp)
mov $D_REAL,-(sp)
jbr _interp
op_sdup:
mov 2(sp),-(sp)
mov 2(sp),-(sp)
jbr _interp
op_str:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
add _ident,r1
mov r1,-(sp)
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
mov r1,-(sp)
jbr _interp
op_unmark:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
dec r1
1: mov (r4),r4
sob r1,1b
mov -2(r4),r3
mov r4,sp
mov (sp)+,r4
jbr _interp
op_unmk7:
mov (r4),r4
op_unmk6:
mov (r4),r4
op_unmk5:
mov (r4),r4
op_unmk4:
mov (r4),r4
op_unmk3:
mov (r4),r4
op_unmk2:
mov (r4),r4
op_unmk1:
mov -2(r4),r3
mov r4,sp
mov (sp)+,r4
op_unmk0:
jbr _interp
op_global:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_globx:
bic $!017,r1
1: asl r1
asl r1
add _globals,r1
mov r1,-(sp)
mov $D_VAR,-(sp)
jbr _interp
op_static:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_statx:
bic $!07,r1
1: asl r1
asl r1
add _statics,r1
mov r1,-(sp)
mov $D_VAR,-(sp)
jbr _interp
op_local:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_locx:
bic $!017,r1
1: asl r1
asl r1
add $14.,r1
neg r1
add r5,r1
mov r1,-(sp)
mov $D_VAR,-(sp)
jbr _interp
op_arg:
movb (r2)+,r0
movb (r2)+,r1
bic $!0377,r0
ash $8.,r1
bis r0,r1
br 1f
op_argx:
bic $!07,r1
1: asl r1
asl r1
add $6,r1
add r5,r1
mov r1,-(sp)
mov $D_VAR,-(sp)
jbr _interp
quit:
clr -(sp)
jsr pc,*$_c_exit
err:
mov $9f,-(sp)
jsr pc,_syserr
.data
9: <unrecognized ucode instruction\0>
.even
#endif PDP11