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[/] [a-z80/] [trunk/] [cpu/] [control/] [pla_decode.v] - Blame information for rev 8

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1 8 gdevic 
//=====================================================================================
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// This file is automatically generated by the z80_pla_checker tool. Do not edit!
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//=====================================================================================
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module pla_decode
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(
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    input wire [6:0] prefix,
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    input wire [7:0] opcode,
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    output wire [104:0] pla
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);
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assign pla[  0] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11110100) == 15'b0000001_10100000) ? 1'b1 : 1'b0;   // ldx/cpx/inx/outx brk
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assign pla[  1] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11011001) ? 1'b1 : 1'b0;   // exx
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assign pla[  2] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11101011) ? 1'b1 : 1'b0;   // ex de,hl
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assign pla[  3] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11011111) == 15'b0000100_11011101) ? 1'b1 : 1'b0;   // IX/IY prefix
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assign pla[  5] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11111001) ? 1'b1 : 1'b0;   // ld sp,hl
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assign pla[  6] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11101001) ? 1'b1 : 1'b0;   // jp hl
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assign pla[  7] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11001111) == 15'b0000100_00000001) ? 1'b1 : 1'b0;   // ld rr,nn
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assign pla[  8] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11100111) == 15'b0000100_00000010) ? 1'b1 : 1'b0;   // ld (rr),a/a,(rr)
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assign pla[  9] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_00000011) ? 1'b1 : 1'b0;   // inc/dec rr
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assign pla[ 10] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11100011) ? 1'b1 : 1'b0;   // ex (sp),hl
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assign pla[ 11] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11100111) == 15'b0000001_10100001) ? 1'b1 : 1'b0;   // cpi/cpir/cpd/cpdr
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assign pla[ 12] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11100111) == 15'b0000001_10100000) ? 1'b1 : 1'b0;   // ldi/ldir/ldd/lddr
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assign pla[ 13] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11001111) == 15'b0000100_00000010) ? 1'b1 : 1'b0;   // ld direction
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assign pla[ 15] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11110111) == 15'b0000001_01100111) ? 1'b1 : 1'b0;   // rrd/rld
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assign pla[ 16] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11001111) == 15'b0000100_11000101) ? 1'b1 : 1'b0;   // push rr
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assign pla[ 17] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_00000110) ? 1'b1 : 1'b0;   // ld r,n
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assign pla[ 20] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11100111) == 15'b0000001_10100011) ? 1'b1 : 1'b0;   // outx/otxr
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assign pla[ 21] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11100111) == 15'b0000001_10100010) ? 1'b1 : 1'b0;   // inx/inxr
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assign pla[ 23] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11001011) == 15'b0000100_11000001) ? 1'b1 : 1'b0;   // push/pop
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assign pla[ 24] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11001101) ? 1'b1 : 1'b0;   // call nn
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assign pla[ 25] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11100111) == 15'b0000100_00000111) ? 1'b1 : 1'b0;   // rlca/rla/rrca/rra
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assign pla[ 26] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00010000) ? 1'b1 : 1'b0;   // djnz e
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assign pla[ 27] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000110) == 15'b0000001_01000000) ? 1'b1 : 1'b0;   // in/out r,(c)
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assign pla[ 28] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11010011) ? 1'b1 : 1'b0;   // out (n),a
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assign pla[ 29] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11000011) ? 1'b1 : 1'b0;   // jp nn
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assign pla[ 30] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11110111) == 15'b0000100_00100010) ? 1'b1 : 1'b0;   // ld hl,(nn)/(nn),hl
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assign pla[ 31] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000111) == 15'b0000001_01000011) ? 1'b1 : 1'b0;   // ld rr,(nn)/(nn),rr
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assign pla[ 33] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11001111) == 15'b0000001_01000011) ? 1'b1 : 1'b0;   // ld direction
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assign pla[ 34] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000111) == 15'b0000001_01000001) ? 1'b1 : 1'b0;   // out (c),r
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assign pla[ 35] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11001001) ? 1'b1 : 1'b0;   // ret
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assign pla[ 37] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11110111) == 15'b0000100_11010011) ? 1'b1 : 1'b0;   // out (n),a/a,(n)
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assign pla[ 38] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11110111) == 15'b0000100_00110010) ? 1'b1 : 1'b0;   // ld (nn),a/a,(nn)
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assign pla[ 39] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00001000) ? 1'b1 : 1'b0;   // ex af,af'
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assign pla[ 40] = (({prefix[6:0], opcode[7:0]} & 15'b0100100_11111111) == 15'b0100100_00110110) ? 1'b1 : 1'b0;   // ld (ix+d),n
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assign pla[ 42] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_11000100) ? 1'b1 : 1'b0;   // call cc,nn
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assign pla[ 43] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_11000010) ? 1'b1 : 1'b0;   // jp cc,nn
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assign pla[ 44] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11001011) ? 1'b1 : 1'b0;   // CB prefix
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assign pla[ 45] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_11000000) ? 1'b1 : 1'b0;   // ret cc
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assign pla[ 46] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000111) == 15'b0000001_01000101) ? 1'b1 : 1'b0;   // reti/retn
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assign pla[ 47] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00011000) ? 1'b1 : 1'b0;   // jr e
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assign pla[ 48] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11100111) == 15'b0000100_00100000) ? 1'b1 : 1'b0;   // jr ss,e
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assign pla[ 49] = (({prefix[6:0], opcode[7:0]} & 15'b0100000_11111111) == 15'b0100000_11001011) ? 1'b1 : 1'b0;   // CB prefix with IX/IY
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assign pla[ 50] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00110110) ? 1'b1 : 1'b0;   // ld (hl),n
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assign pla[ 51] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_11101101) ? 1'b1 : 1'b0;   // ED prefix
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assign pla[ 52] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_10000110) ? 1'b1 : 1'b0;   // add/sub/and/or/xor/cp (hl)
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assign pla[ 53] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111110) == 15'b0000100_00110100) ? 1'b1 : 1'b0;   // inc/dec (hl)
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assign pla[ 55] = (({prefix[6:0], opcode[7:0]} & 15'b0000010_00000111) == 15'b0000010_00000110) ? 1'b1 : 1'b0;   // Every CB op (hl)
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assign pla[ 56] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_11000111) ? 1'b1 : 1'b0;   // rst p
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assign pla[ 57] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11110111) == 15'b0000001_01000111) ? 1'b1 : 1'b0;   // ld i,a/r,a
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assign pla[ 58] = (({prefix[6:0], opcode[7:0]} & 15'b0010100_11000111) == 15'b0010100_01000110) ? 1'b1 : 1'b0;   // ld r,(hl)
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assign pla[ 59] = (({prefix[6:0], opcode[7:0]} & 15'b0010100_11111000) == 15'b0010100_01110000) ? 1'b1 : 1'b0;   // ld (hl),r
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assign pla[ 61] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000000) == 15'b0000100_01000000) ? 1'b1 : 1'b0;   // ld r,r'
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assign pla[ 64] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_11000110) ? 1'b1 : 1'b0;   // add/sub/and/or/xor/cmp a,imm
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assign pla[ 65] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000000) == 15'b0000100_10000000) ? 1'b1 : 1'b0;   // add/sub/and/or/xor/cmp a,r
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assign pla[ 66] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000110) == 15'b0000100_00000100) ? 1'b1 : 1'b0;   // inc/dec r
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assign pla[ 68] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000111) == 15'b0000001_01000010) ? 1'b1 : 1'b0;   // adc/sbc hl,rr
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assign pla[ 69] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11001111) == 15'b0000100_00001001) ? 1'b1 : 1'b0;   // add hl,rr
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assign pla[ 70] = (({prefix[6:0], opcode[7:0]} & 15'b0000010_11000000) == 15'b0000010_00000000) ? 1'b1 : 1'b0;   // rlc r
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assign pla[ 72] = (({prefix[6:0], opcode[7:0]} & 15'b0000010_11000000) == 15'b0000010_01000000) ? 1'b1 : 1'b0;   // bit b,r
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assign pla[ 73] = (({prefix[6:0], opcode[7:0]} & 15'b0000010_11000000) == 15'b0000010_10000000) ? 1'b1 : 1'b0;   // res b,r
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assign pla[ 74] = (({prefix[6:0], opcode[7:0]} & 15'b0000010_11000000) == 15'b0000010_11000000) ? 1'b1 : 1'b0;   // set b,r
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assign pla[ 75] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11000111) == 15'b0000100_00000101) ? 1'b1 : 1'b0;   // dec r
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assign pla[ 76] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00111000) ? 1'b1 : 1'b0;   // 111 (CP)
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assign pla[ 77] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00100111) ? 1'b1 : 1'b0;   // daa
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assign pla[ 78] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00010000) ? 1'b1 : 1'b0;   // 010 (SUB)
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assign pla[ 79] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00011000) ? 1'b1 : 1'b0;   // 011 (SBC)
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assign pla[ 80] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00001000) ? 1'b1 : 1'b0;   // 001 (ADC)
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assign pla[ 81] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00101111) ? 1'b1 : 1'b0;   // cpl
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assign pla[ 82] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000111) == 15'b0000001_01000100) ? 1'b1 : 1'b0;   // neg
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assign pla[ 83] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11110111) == 15'b0000001_01010111) ? 1'b1 : 1'b0;   // ld a,i/a,r
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assign pla[ 84] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00000000) ? 1'b1 : 1'b0;   // 000 (ADD)
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assign pla[ 85] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00100000) ? 1'b1 : 1'b0;   // 100 (AND)
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assign pla[ 86] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00110000) ? 1'b1 : 1'b0;   // 110 (OR)
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assign pla[ 88] = (({prefix[6:0], opcode[7:0]} & 15'b0001000_00111000) == 15'b0001000_00101000) ? 1'b1 : 1'b0;   // 101 (XOR)
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assign pla[ 89] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00111111) ? 1'b1 : 1'b0;   // ccf
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assign pla[ 91] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11100110) == 15'b0000001_10100010) ? 1'b1 : 1'b0;   // inx/outx/inxr/otxr
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assign pla[ 92] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_00110111) ? 1'b1 : 1'b0;   // scf
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assign pla[ 95] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11111111) == 15'b0000100_01110110) ? 1'b1 : 1'b0;   // halt
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assign pla[ 96] = (({prefix[6:0], opcode[7:0]} & 15'b0000001_11000111) == 15'b0000001_01000110) ? 1'b1 : 1'b0;   // im n
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assign pla[ 97] = (({prefix[6:0], opcode[7:0]} & 15'b0000100_11110111) == 15'b0000100_11110011) ? 1'b1 : 1'b0;   // di/ei
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assign pla[ 99] = (({prefix[6:0], opcode[7:0]} & 15'b0000000_00000001) == 15'b0000000_00000001) ? 1'b1 : 1'b0;   // opcode[0]
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assign pla[100] = (({prefix[6:0], opcode[7:0]} & 15'b0000000_00000010) == 15'b0000000_00000010) ? 1'b1 : 1'b0;   // opcode[1]
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assign pla[101] = (({prefix[6:0], opcode[7:0]} & 15'b0000000_00000100) == 15'b0000000_00000100) ? 1'b1 : 1'b0;   // opcode[2]
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assign pla[102] = (({prefix[6:0], opcode[7:0]} & 15'b0000000_00001000) == 15'b0000000_00001000) ? 1'b1 : 1'b0;   // opcode[3]
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assign pla[103] = (({prefix[6:0], opcode[7:0]} & 15'b0000000_00010000) == 15'b0000000_00010000) ? 1'b1 : 1'b0;   // opcode[4]
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assign pla[104] = (({prefix[6:0], opcode[7:0]} & 15'b0000000_00100000) == 15'b0000000_00100000) ? 1'b1 : 1'b0;   // opcode[5]
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// Entries not used by our timing matrix
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assign pla[ 67] = 1'b0;   // in
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assign pla[ 62] = 1'b0;   // For all CB opcodes
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assign pla[ 54] = 1'b0;   // Every CB with IX/IY
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assign pla[ 22] = 1'b0;   // CB prefix w/o IX/IY
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assign pla[ 14] = 1'b0;   // dec rr
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assign pla[  4] = 1'b0;   // ld x,a/a,x
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// Duplicate entries
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assign pla[ 18] = 1'b0;   // ldi/ldir/ldd/lddr
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assign pla[ 19] = 1'b0;   // cpi/cpir/cpd/cpdr
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assign pla[ 32] = 1'b0;   // ld i,a/a,i/r,a/a,r
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assign pla[ 36] = 1'b0;   // ld(rr),a/a,(rr)
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assign pla[ 41] = 1'b0;   // IX/IY
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assign pla[ 60] = 1'b0;   // rrd/rld
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assign pla[ 63] = 1'b0;   // ld r,*
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assign pla[ 71] = 1'b0;   // rlca/rla/rrca/rra
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assign pla[ 87] = 1'b0;   // ld a,i / ld a,r
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assign pla[ 90] = 1'b0;   // djnz *
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assign pla[ 93] = 1'b0;   // cpi/cpir/cpd/cpdr
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assign pla[ 94] = 1'b0;   // ldi/ldir/ldd/lddr
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assign pla[ 98] = 1'b0;   // out (*),a/in a,(*)
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endmodule

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