| 1 | `define COND_EQ 4'b0000 /* Z set */ |
| 2 | `define COND_NE 4'b0001 /* Z clear */ |
| 3 | `define COND_CS 4'b0010 /* C set */ |
| 4 | `define COND_CC 4'b0011 /* C clear */ |
| 5 | `define COND_MI 4'b0100 /* N set */ |
| 6 | `define COND_PL 4'b0101 /* N clear */ |
| 7 | `define COND_VS 4'b0110 /* V set */ |
| 8 | `define COND_VC 4'b0111 /* V clear */ |
| 9 | `define COND_HI 4'b1000 /* C set and Z clear */ |
| 10 | `define COND_LS 4'b1001 /* C clear or Z set */ |
| 11 | `define COND_GE 4'b1010 /* N equal to V */ |
| 12 | `define COND_LT 4'b1011 /* N not equal to V */ |
| 13 | `define COND_GT 4'b1100 /* Z clear AND (N equals V) */ |
| 14 | `define COND_LE 4'b1101 /* Z set OR (N not equals V) */ |
| 15 | `define COND_AL 4'b1110 /* TRUE */ |
| 16 | `define COND_NV 4'b1111 /* FALSE */ |
| 17 | |
| 18 | `define COND_MATTERS(x) ((x != `COND_AL) && (x != `COND_NV)) |
| 19 | |
| 20 | `define ALU_AND 4'b0000 |
| 21 | `define ALU_EOR 4'b0001 |
| 22 | `define ALU_SUB 4'b0010 |
| 23 | `define ALU_RSB 4'b0011 |
| 24 | `define ALU_ADD 4'b0100 |
| 25 | `define ALU_ADC 4'b0101 |
| 26 | `define ALU_SBC 4'b0110 |
| 27 | `define ALU_RBC 4'b0111 |
| 28 | `define ALU_TST 4'b1000 |
| 29 | `define ALU_TEQ 4'b1001 |
| 30 | `define ALU_CMP 4'b1010 |
| 31 | `define ALU_CMN 4'b1011 |
| 32 | `define ALU_ORR 4'b1100 |
| 33 | `define ALU_MOV 4'b1101 |
| 34 | `define ALU_BIC 4'b1110 |
| 35 | `define ALU_MVN 4'b1111 |
| 36 | |
| 37 | `define SHIFT_LSL 2'b00 |
| 38 | `define SHIFT_LSR 2'b01 |
| 39 | `define SHIFT_ASR 2'b10 |
| 40 | `define SHIFT_ROR 2'b11 |
| 41 | |
| 42 | `define CPSR_N 31 |
| 43 | `define CPSR_Z 30 |
| 44 | `define CPSR_C 29 |
| 45 | `define CPSR_V 28 |
| 46 | `define CPSR_I 7 |
| 47 | `define CPSR_F 6 |