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
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Last modified: 1975-07-17
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