1: /
   2: /
   3: 
   4: / a6 -- pdp-11 assembler pass 1
   5: 
   6: opline:
   7:         mov     r4,r0
   8:         jsr     r5,betwen; 0; 200
   9:                 br      1f
  10:         cmp     r0,$'<
  11:         bne     xpr
  12:         jmp     opl17
  13: xpr:
  14:         jsr     pc,expres
  15:         add     $2,dot
  16:         rts     pc
  17: 1:
  18:         movb    (r4),r0
  19:         cmp     r0,$24
  20:         beq     xpr
  21:         jsr     r5,betwen; 5; 36
  22:                 br xpr
  23:         mov     r0,-(sp)
  24:         jsr     pc,readop
  25:         mov     (sp)+,r0
  26:         asl     r0
  27:         jmp     *1f-12(r0)
  28: 
  29: 1:
  30:         opl13   / map fop freg,fdst to double
  31:         opl6
  32:         opl7
  33:         opl10
  34:         opl11
  35:         opl13   / map fld/fst to double
  36:         opl13
  37:         opl13   / map fop fsrc,freg to double
  38:         opl15
  39:         opl16
  40:         opl17
  41:         opl20
  42:         opl21
  43:         opl22
  44:         opl23
  45:         xpr
  46:         opl25
  47:         opl26
  48:         opl27
  49:         opl13  / map mul s,r to double
  50:         opl31
  51:         opl32
  52:         xpr
  53:         xpr
  54:         opl35
  55:         opl36
  56: 
  57: / jbr
  58: opl35:
  59:         mov     $4,-(sp)
  60:         br      1f
  61: 
  62: / jeq, etc
  63: opl36:
  64:         mov     $6,-(sp)
  65: 1:
  66:         jsr     pc,expres
  67:         cmp     r3,dotrel
  68:         bne     1f
  69:         sub     dot,r2
  70:         bge     1f
  71:         cmp     r2,$-376
  72:         blt     1f
  73:         mov     $2,(sp)
  74: 1:
  75:         add     (sp)+,dot
  76:         rts     pc
  77: 
  78: /double
  79: opl13:
  80: opl7:
  81:         jsr     pc,addres
  82: op2:
  83:         cmp     r4,$',
  84:         beq     1f
  85:         jsr     pc,errora
  86:         rts     pc
  87: 1:
  88:         jsr     pc,readop
  89: opl15:   / single operand
  90:         jsr     pc,addres
  91:         add     $2,dot
  92:         rts     pc
  93: 
  94: opl31:  / sob
  95:         jsr     pc,expres
  96:         cmp     r4,$',
  97:         beq     1f
  98:         jsr     pc,errora
  99: 1:
 100:         jsr     pc,readop
 101: 
 102: /branch
 103: opl6:
 104: opl10:
 105: opl11:
 106:         jsr     pc,expres
 107:         add     $2,dot
 108:         rts     pc
 109: 
 110: / .byte
 111: opl16:
 112:         jsr     pc,expres
 113:         inc     dot
 114:         cmp     r4,$',
 115:         bne     1f
 116:         jsr     pc,readop
 117:         br      opl16
 118: 1:
 119:         rts     pc
 120: 
 121: / < (.ascii)
 122: opl17:
 123:         add     numval,dot
 124:         jsr     pc,readop
 125:         rts     pc
 126: 
 127: /.even
 128: opl20:
 129:         inc     dot
 130:         bic     $1,dot
 131:         rts     pc
 132: 
 133: /.if
 134: opl21:
 135:         jsr     pc,expres
 136:         tst     r3
 137:         bne     1f
 138:         jsr     r5,error; 'U
 139: 1:
 140:         tst     r2
 141:         bne     opl22
 142:         inc     ifflg
 143: opl22:  /endif
 144:         rts     pc
 145: 
 146: /.globl
 147: opl23:
 148:         cmp     r4,$200
 149:         blo     1f
 150:         bisb    $40,(r4)
 151:         jsr     pc,readop
 152:         cmp     r4,$',
 153:         bne     1f
 154:         jsr     pc,readop
 155:         br      opl23
 156: 1:
 157:         rts     pc
 158: 
 159: opl25:
 160: opl26:
 161: opl27:
 162:         mov     dotrel,r1
 163:         asl     r1
 164:         mov     dot,savdot-4(r1)
 165:         mov     savdot-[2*25](r0),dot
 166:         asr     r0
 167:         sub     $25-2,r0
 168:         mov     r0,dotrel
 169:         rts     pc
 170: 
 171: / .common
 172: opl32:
 173:         cmp     r4,$200
 174:         blo     1f
 175:         bis     $40,(r4)
 176:         jsr     pc,readop
 177:         cmp     r4,$',
 178:         bne     1f
 179:         jsr     pc,readop
 180:         jsr     pc,expres
 181:         rts     pc
 182: 1:
 183:         jsr     r5,error; 'x
 184:         rts     pc
 185: 
 186: addres:
 187:         cmp     r4,$'(
 188:         beq     alp
 189:         cmp     r4,$'-
 190:         beq     amin
 191:         cmp     r4,$'$
 192:         beq     adoll
 193:         cmp     r4,$'*
 194:         beq     astar
 195: getx:
 196:         jsr     pc,expres
 197:         cmp     r4,$'(
 198:         bne     2f
 199:         jsr     pc,readop
 200:         jsr     pc,expres
 201:         jsr     pc,checkreg
 202:         jsr     pc,checkrp
 203:         add     $2,dot
 204:         clr     r0
 205:         rts     pc
 206: 2:
 207:         cmp     r3,$24          / register type
 208:         bne     1f
 209:         jsr     pc,checkreg
 210:         clr     r0
 211:         rts     pc
 212: 1:
 213:         add     $2,dot
 214:         clr     r0
 215:         rts     pc
 216: 
 217: alp:
 218:         jsr     pc,readop
 219:         jsr     pc,expres
 220:         jsr     pc,checkrp
 221:         jsr     pc,checkreg
 222:         cmp     r4,$'+
 223:         bne     1f
 224:         jsr     pc,readop
 225:         clr     r0
 226:         rts     pc
 227: 1:
 228:         mov     $2,r0
 229:         rts     pc
 230: 
 231: amin:
 232:         jsr     pc,readop
 233:         cmp     r4,$'(
 234:         beq     1f
 235:         mov     r4,savop
 236:         mov     $'-,r4
 237:         br      getx
 238: 1:
 239:         jsr     pc,readop
 240:         jsr     pc,expres
 241:         jsr     pc,checkrp
 242:         jsr     pc,checkreg
 243:         clr     r0
 244:         rts     pc
 245: 
 246: adoll:
 247:         jsr     pc,readop
 248:         jsr     pc,expres
 249:         add     $2,dot
 250:         clr     r0
 251:         rts     pc
 252: 
 253: astar:
 254:         jsr     pc,readop
 255:         cmp     r4,$'*
 256:         bne     1f
 257:         jsr     r5,error; '*
 258: 1:
 259:         jsr     pc,addres
 260:         add     r0,dot
 261:         rts     pc
 262: 
 263: errora:
 264:         jsr     r5,error; 'a
 265:         rts     pc
 266: 
 267: checkreg:
 268:         cmp     r2,$7
 269:         bhi     1f
 270:         cmp     r3,$1
 271:         beq     2f
 272:         cmp     r3,$4
 273:         bhi     2f
 274: 1:
 275:         jsr     pc,errora
 276: 2:
 277:         rts     pc
 278: 
 279: errore:
 280:         jsr     r5,error; 'e
 281:         rts     pc
 282: 
 283: checkrp:
 284:         cmp     r4,$')
 285:         beq     1f
 286:         jsr     r5,error; ')
 287:         rts     pc
 288: 1:
 289:         jsr     pc,readop
 290:         rts     pc

Defined functions

addres defined in line 186; used 3 times
adoll defined in line 246; used 1 times
alp defined in line 217; used 1 times
amin defined in line 231; used 1 times
astar defined in line 253; used 1 times
checkreg defined in line 267; used 4 times
checkrp defined in line 283; used 3 times
errora defined in line 263; used 3 times
errore defined in line 279; never used
getx defined in line 195; used 1 times
op2 defined in line 82; never used
opl10 defined in line 104; used 1 times
  • in line 33
opl11 defined in line 105; used 1 times
  • in line 34
opl13 defined in line 79; used 5 times
opl15 defined in line 89; used 1 times
  • in line 38
opl16 defined in line 111; used 2 times
opl17 defined in line 122; used 2 times
opl20 defined in line 128; used 1 times
  • in line 41
opl21 defined in line 134; used 1 times
  • in line 42
opl22 defined in line 143; used 2 times
opl23 defined in line 147; used 2 times
opl25 defined in line 159; used 1 times
  • in line 46
opl26 defined in line 160; used 1 times
  • in line 47
opl27 defined in line 161; used 1 times
  • in line 48
opl31 defined in line 94; used 1 times
  • in line 50
opl32 defined in line 172; used 1 times
  • in line 51
opl35 defined in line 58; used 1 times
  • in line 54
opl36 defined in line 63; used 1 times
  • in line 55
opl6 defined in line 103; used 1 times
  • in line 31
opl7 defined in line 80; used 1 times
  • in line 32
opline defined in line 6; never used
xpr defined in line 13; used 6 times
Last modified: 1981-07-10
Generated: 2016-12-26
Generated by src2html V0.67
page hit count: 511
Valid CSS Valid XHTML 1.0 Strict