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      1  1.1  christos //  ALU test program.
      2  1.1  christos //  Test 32 bit MAX, MIN, ABS instructions
      3  1.1  christos # mach: bfin
      4  1.1  christos 
      5  1.1  christos .include "testutils.inc"
      6  1.1  christos 	start
      7  1.1  christos 
      8  1.1  christos 
      9  1.1  christos // MAX
     10  1.1  christos // first operand is larger, so AN=0
     11  1.1  christos 	R0.L = 0x0001;
     12  1.1  christos 	R0.H = 0x0000;
     13  1.1  christos 	R1.L = 0x0000;
     14  1.1  christos 	R1.H = 0x0000;
     15  1.1  christos 	R7 = MAX ( R0 , R1 );
     16  1.1  christos 	DBGA ( R7.L , 0x0001 );
     17  1.1  christos 	DBGA ( R7.H , 0x0000 );
     18  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     19  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
     20  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     21  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
     22  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     23  1.1  christos 
     24  1.1  christos // second operand is larger, so AN=1
     25  1.1  christos 	R0.L = 0x0000;
     26  1.1  christos 	R0.H = 0x0000;
     27  1.1  christos 	R1.L = 0x0001;
     28  1.1  christos 	R1.H = 0x0000;
     29  1.1  christos 	R7 = MAX ( R0 , R1 );
     30  1.1  christos 	DBGA ( R7.L , 0x0001 );
     31  1.1  christos 	DBGA ( R7.H , 0x0000 );
     32  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     33  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
     34  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     35  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
     36  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     37  1.1  christos 
     38  1.1  christos // first operand is larger, check correct output with overflow
     39  1.1  christos 	R0.L = 0xffff;
     40  1.1  christos 	R0.H = 0x7fff;
     41  1.1  christos 	R1.L = 0xffff;
     42  1.1  christos 	R1.H = 0xffff;
     43  1.1  christos 	R7 = MAX ( R0 , R1 );
     44  1.1  christos 	DBGA ( R7.L , 0xffff );
     45  1.1  christos 	DBGA ( R7.H , 0x7fff );
     46  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     47  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
     48  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     49  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
     50  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     51  1.1  christos 
     52  1.1  christos // second operand is larger, no overflow here
     53  1.1  christos 	R0.L = 0xffff;
     54  1.1  christos 	R0.H = 0xffff;
     55  1.1  christos 	R1.L = 0xffff;
     56  1.1  christos 	R1.H = 0x7fff;
     57  1.1  christos 	R7 = MAX ( R0 , R1 );
     58  1.1  christos 	DBGA ( R7.L , 0xffff );
     59  1.1  christos 	DBGA ( R7.H , 0x7fff );
     60  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     61  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
     62  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     63  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
     64  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     65  1.1  christos 
     66  1.1  christos // second operand is larger, overflow
     67  1.1  christos 	R0.L = 0xffff;
     68  1.1  christos 	R0.H = 0x800f;
     69  1.1  christos 	R1.L = 0xffff;
     70  1.1  christos 	R1.H = 0x7fff;
     71  1.1  christos 	R7 = MAX ( R0 , R1 );
     72  1.1  christos 	DBGA ( R7.L , 0xffff );
     73  1.1  christos 	DBGA ( R7.H , 0x7fff );
     74  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     75  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
     76  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     77  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
     78  1.1  christos 	CC = AV0;	R7 = CC; DBGA ( R7.L , 0x0 );
     79  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     80  1.1  christos 	CC = AV0S;	R7 = CC; DBGA ( R7.L , 0x0 );
     81  1.1  christos 	CC = AV1S;	R7 = CC; DBGA ( R7.L , 0x0 );
     82  1.1  christos 
     83  1.1  christos // both operands equal
     84  1.1  christos 	R0.L = 0x0080;
     85  1.1  christos 	R0.H = 0x8000;
     86  1.1  christos 	R1.L = 0x0080;
     87  1.1  christos 	R1.H = 0x8000;
     88  1.1  christos 	R7 = MAX ( R0 , R1 );
     89  1.1  christos 	DBGA ( R7.L , 0x0080 );
     90  1.1  christos 	DBGA ( R7.H , 0x8000 );
     91  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
     92  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
     93  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
     94  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
     95  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
     96  1.1  christos 
     97  1.1  christos // MIN
     98  1.1  christos // second operand is smaller
     99  1.1  christos 	R0.L = 0x0001;
    100  1.1  christos 	R0.H = 0x0000;
    101  1.1  christos 	R1.L = 0x0000;
    102  1.1  christos 	R1.H = 0x0000;
    103  1.1  christos 	R7 = MIN ( R0 , R1 );
    104  1.1  christos 	DBGA ( R7.L , 0x0000 );
    105  1.1  christos 	DBGA ( R7.H , 0x0000 );
    106  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x1 );
    107  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    108  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    109  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
    110  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    111  1.1  christos 
    112  1.1  christos // first operand is smaller
    113  1.1  christos 	R0.L = 0x0001;
    114  1.1  christos 	R0.H = 0x8000;
    115  1.1  christos 	R1.L = 0x0000;
    116  1.1  christos 	R1.H = 0x0000;
    117  1.1  christos 	R7 = MIN ( R0 , R1 );
    118  1.1  christos 	DBGA ( R7.L , 0x0001 );
    119  1.1  christos 	DBGA ( R7.H , 0x8000 );
    120  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    121  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
    122  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    123  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
    124  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    125  1.1  christos 
    126  1.1  christos // first operand is smaller, overflow
    127  1.1  christos 	R0.L = 0x0001;
    128  1.1  christos 	R0.H = 0x8000;
    129  1.1  christos 	R1.L = 0x0000;
    130  1.1  christos 	R1.H = 0x0ff0;
    131  1.1  christos 	R7 = MIN ( R0 , R1 );
    132  1.1  christos 	DBGA ( R7.L , 0x0001 );
    133  1.1  christos 	DBGA ( R7.H , 0x8000 );
    134  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    135  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
    136  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    137  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
    138  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    139  1.1  christos 
    140  1.1  christos // equal operands
    141  1.1  christos 	R0.L = 0x0001;
    142  1.1  christos 	R0.H = 0x8000;
    143  1.1  christos 	R1.L = 0x0001;
    144  1.1  christos 	R1.H = 0x8000;
    145  1.1  christos 	R7 = MIN ( R0 , R1 );
    146  1.1  christos 	DBGA ( R7.L , 0x0001 );
    147  1.1  christos 	DBGA ( R7.H , 0x8000 );
    148  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    149  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x1 );
    150  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    151  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
    152  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    153  1.1  christos 
    154  1.1  christos // ABS
    155  1.1  christos 	R0.L = 0x0001;
    156  1.1  christos 	R0.H = 0x8000;
    157  1.1  christos 	R7 = ABS R0;
    158  1.1  christos 	_DBG R7;
    159  1.1  christos 	_DBG ASTAT;
    160  1.1  christos 	R6 = ASTAT;
    161  1.1  christos 
    162  1.1  christos 	_DBG R6;
    163  1.1  christos 	DBGA ( R7.L , 0xffff );
    164  1.1  christos 	DBGA ( R7.H , 0x7fff );
    165  1.1  christos //CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    166  1.1  christos //CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    167  1.1  christos //CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    168  1.1  christos //CC =  V;	R7 = CC; DBGA ( R7.L , 0x1 );
    169  1.1  christos //CC =  VS;	R7 = CC; DBGA ( R7.L , 0x1 );
    170  1.1  christos //CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    171  1.1  christos 
    172  1.1  christos 	R0.L = 0x0001;
    173  1.1  christos 	R0.H = 0x0000;
    174  1.1  christos 	R7 = ABS R0;
    175  1.1  christos 	DBGA ( R7.L , 0x0001 );
    176  1.1  christos 	DBGA ( R7.H , 0x0000 );
    177  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    178  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    179  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    180  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
    181  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    182  1.1  christos 
    183  1.1  christos 	R0.L = 0x0000;
    184  1.1  christos 	R0.H = 0x8000;
    185  1.1  christos 	R7 = ABS R0;
    186  1.1  christos 	DBGA ( R7.L , 0xffff );
    187  1.1  christos 	DBGA ( R7.H , 0x7fff );
    188  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    189  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    190  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    191  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x1 );
    192  1.1  christos 	CC =  VS;	R7 = CC; DBGA ( R7.L , 0x1 );
    193  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    194  1.1  christos 
    195  1.1  christos 	R0.L = 0xffff;
    196  1.1  christos 	R0.H = 0xffff;
    197  1.1  christos 	R7 = ABS R0;
    198  1.1  christos 	DBGA ( R7.L , 0x0001 );
    199  1.1  christos 	DBGA ( R7.H , 0x0000 );
    200  1.1  christos 	CC = AZ;	R7 = CC; DBGA ( R7.L , 0x0 );
    201  1.1  christos 	CC = AN;	R7 = CC; DBGA ( R7.L , 0x0 );
    202  1.1  christos 	CC = AC0;	R7 = CC; DBGA ( R7.L , 0x0 );
    203  1.1  christos 	CC =  V;	R7 = CC; DBGA ( R7.L , 0x0 );
    204  1.1  christos 	CC = AV1;	R7 = CC; DBGA ( R7.L , 0x0 );
    205  1.1  christos 
    206  1.1  christos 	R0.L = 0x0000;
    207  1.1  christos 	R0.H = 0x0000;
    208  1.1  christos 	R7 = ABS R0;
    209  1.1  christos 	_DBG R7;
    210  1.1  christos 	_DBG ASTAT;
    211  1.1  christos 	R6 = ASTAT;
    212  1.1  christos 	_DBG R6;
    213  1.1  christos 
    214  1.1  christos 	DBGA ( R7.L , 0x0000 );
    215  1.1  christos 	DBGA ( R7.H , 0x0000 );
    216  1.1  christos 	CC = VS;	R6 = CC; DBGA (R6.L, 0x1);
    217  1.1  christos 	CC = AZ;	R6 = CC; DBGA (R6.L, 0x1);
    218  1.1  christos 
    219  1.1  christos 	pass
    220