1 ;;;;; 2 ; 3 ; Test operator precedencce 4 ; or rather the lack thereof 5 ; 6 000000 000006 .word 1 + 2 + 3 ; 6 7 000002 000011 .word 1 + 2 * 3 ; 3*3 = 11 8 000004 000004 .word 1 & 2 ! 4 ; 0 ! 4 = 4 9 000006 000000 .word 1 ! 2 & 4 ; 3 & 4 = 0 10 000010 000003 .word 1 ! 2 & 7 ; 3 & 7 = 3 11 000012 000005 .word 1+1 ! 2+3 ; 2!2+3 = 2+3 = 5 12 13 ;;;;; 14 ; 15 ; Test all operators at least once 16 ; 17 000014 000007 .word 3 + 4 ; 000007 18 000016 000001 .word 4 - 3 ; 000001 19 000020 000014 .word 3 * 4 ; 000014 20 000022 000003 .word 12. / 4 ; 000003 21 000024 000121 .word 123 & 771 ; 000121 22 000026 123323 .word 123121 ! 322 ; 123323 23 000005 five = 5 24 000030 001230 a: .word 123 _ 3 ; 001230 25 000032 000500 .word five _ 6 ; 000500 26 000034 004040 .word 101_five ; 004040 27 000036 000377 .word 177400 _ -8. ; 000377 28 000040 000000C .word a _ 3 ; Complex relocation 29 30 000042 177401 .word - 377 ; 177401 31 000044 000377 .word + 377 ; 000377 32 33 000046 177400 .word ^C 377 ; 177400 34 000050 177400 .word ^c 377 ; 177400 35 000052 052525 .word ^B 0101010101010101 ; 052525 36 000054 125252 .word ^b 1010101010101010 ; 125252 37 000056 000144 .word ^d 100 ; 000144 38 000060 000144 .word 100. ; 000144 39 000062 000400 .word ^x 100 ; 000400 hexadecimal is an extension 40 000064 070254 .word ^rRAD ; 070254 up to 3 characters; no leading spaces 41 000066 003100 .word ^rA ; 003100 up to 3 characters 42 000070 000050 .word ^r A ; 000050 up to 3 characters 43 000072 000001 .word ^r A ; 000001 up to 3 characters 44 000074 000051 .word ^r AA ; 000051 45 000076 003101 .word ^rA A ; 003101 46 000100 003150 .word ^rAA ; 003150 47 000102 003151 .word ^r^/AAA/ ; bracketed strings are an extension 48 000104 070254 .word ^r ; bracketed strings are an extension 49 000106 000054 .word ^r< AD> ; bracketed strings are an extension 50 000110 000004 .word ^r< D> ; bracketed strings are an extension 51 000112 070204 .word ^r ; bracketed strings are an extension 52 000114 070250 .word ^r ; bracketed strings are an extension 53 000116 157614 .word ^R50. ; 157614 there is no whitespace in between. 54 000120 040300 .word ^f 1.5 ; 040300 55 56 ;;;;; 57 ; 58 ; Test bracketing 59 ; 60 000122 000007 .word 1 + < 2 * 3 > ; 1 + 6 = 7 61 000124 000007 .word 1 + ^! 2 * 3 ! ; 1 + 6 = 7 62 000126 000007 .word 1 + ^/ 2 * 3 / ; 1 + 6 = 7 63 000130 000007 .word 1 + ^$ 2 * 3 $ ; 1 + 6 = 7 test-prec.mac:64: ***ERROR Invalid expression (complex relocation) 64 000132 000003 000000 .word 1 + ^* 2 * 3 * ; Invalid expression 65 66 ;;;;; 67 ; 68 ; There was an obscure bug in parse_expr(), used to evaluate 'if df', 69 ; where it could skip past the end of the line marker. 70 ; 71 ; If this happened inside an expanded macro, then after that was the 72 ; next line... 73 ; In other cases it might be worse. 74 ; 75 .macro dirdef name, flags, cond 76 .rad50 /.'name/ 77 .byte flags+0, 0 78 .if df cond 79 .globl opcerr 80 .word opcerr 81 .iff 82 .globl name 83 .word name 84 .endc 85 .endm 86 87 000136 dirdef name 1 000136 130461 051010 .rad50 /.name/ 2 000142 000 000 .byte +0, 0 3 .if df 4 .globl opcerr 5 .word opcerr 6 .iff 7 .globl name 8 000144 000000G .word name 9 .endc 88 test-prec.mac:89: ***ERROR Invalid expression in .WORD 89 .word ( test-prec.mac:90: ***ERROR Invalid expression in .WORD 90 ( 91 test-prec.mac:92: ***ERROR Invalid expression in .WORD 92 .word _,$ test-prec.mac:93: ***ERROR Invalid expression in .WORD 93 _ 94 000146 000000G $ test-prec.mac:95: ***ERROR Invalid expression in .WORD 95 .word / test-prec.mac:96: ***ERROR Invalid expression in .WORD 96 / test-prec.mac:97: ***ERROR Invalid expression in .WORD 97 .word ^px test-prec.mac:98: ***ERROR Invalid expression in .WORD 98 ^px test-prec.mac:99: ***ERROR Invalid expression in .WORD 99 .word ^px / 256 test-prec.mac:100: ***ERROR Invalid expression in .WORD 100 ^px / 256 101 102 000150 000001 000002 000003 1,2,3 103 000156 000000G 000000G 000000G .1,.2,.3 103 Symbol table $ = ****** GX .1 = ****** GX .3 = ****** GX FIVE = 000005 . 000164R 001 .2 = ****** GX A 000030R 001 NAME = ****** G Program sections: . ABS. 000000 000 (RW,I,GBL,ABS,OVR,NOSAV) 000164 001 (RW,I,LCL,REL,CON,NOSAV)