| 1 |
45 |
mihal |
// update all flags from alu8 for logic operations pv <= parity else ofl
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| 2 |
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ADCsA_A = 'h8F,// ADC A,A ; 8F
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| 3 |
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ADCsA_B = 'h88,// ADC A,B ; 88
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| 4 |
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ADCsA_C = 'h89,// ADC A,C ; 89
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| 5 |
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ADCsA_D = 'h8A,// ADC A,D ; 8A
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| 6 |
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ADCsA_E = 'h8B,// ADC A,E ; 8B
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| 7 |
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ADCsA_H = 'h8C,// ADC A,H ; 8C
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| 8 |
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ADCsA_L = 'h8D,// ADC A,L ; 8D
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| 9 |
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ADCsA_N = 'hCE,// ADC A,N ; CE XX
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| 10 |
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ADDsA_A = 'h87,// ADD A,A ; 87
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| 11 |
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ADDsA_B = 'h80,// ADD A,B ; 80
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| 12 |
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ADDsA_C = 'h81,// ADD A,C ; 81
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| 13 |
|
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ADDsA_D = 'h82,// ADD A,D ; 82
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| 14 |
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ADDsA_E = 'h83,// ADD A,E ; 83
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| 15 |
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ADDsA_H = 'h84,// ADD A,H ; 84
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| 16 |
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ADDsA_L = 'h85,// ADD A,L ; 85
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| 17 |
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ADDsA_N = 'hC6,// ADD A,N ; C6 XX
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| 18 |
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ANDsA = 'hA7,// AND A ; A7
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| 19 |
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ANDsB = 'hA0,// AND B ; A0
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| 20 |
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ANDsC = 'hA1,// AND C ; A1
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| 21 |
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ANDsD = 'hA2,// AND D ; A2
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| 22 |
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ANDsE = 'hA3,// AND E ; A3
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| 23 |
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ANDsH = 'hA4,// AND H ; A4
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| 24 |
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ANDsL = 'hA5,// AND L ; A5
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| 25 |
|
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ANDsN = 'hE6,// AND N ; E6 XX
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| 26 |
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CPsA = 'hBF,// CP A ; BF
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| 27 |
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CPsB = 'hB8,// CP B ; B8
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| 28 |
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CPsC = 'hB9,// CP C ; B9
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| 29 |
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CPsD = 'hBA,// CP D ; BA
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| 30 |
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CPsE = 'hBB,// CP E ; BB
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| 31 |
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CPsH = 'hBC,// CP H ; BC
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| 32 |
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CPsL = 'hBD,// CP L ; BD
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| 33 |
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CPsN = 'hFE,// CP N ; FE XX
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| 34 |
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ORsA = 'hB7,// OR A ; B7
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| 35 |
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ORsB = 'hB0,// OR B ; B0
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| 36 |
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ORsC = 'hB1,// OR C ; B1
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| 37 |
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ORsD = 'hB2,// OR D ; B2
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| 38 |
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ORsE = 'hB3,// OR E ; B3
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| 39 |
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ORsH = 'hB4,// OR H ; B4
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| 40 |
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ORsL = 'hB5,// OR L ; B5
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| 41 |
|
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ORsN = 'hF6,// OR N ; F6 XX
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| 42 |
|
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SBCsA = 'h9F,// SBC A ; 9F
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| 43 |
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SBCsA_N = 'hDE,// SBC A,N ; DE XX
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| 44 |
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SBCsB = 'h98,// SBC B ; 98
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| 45 |
|
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SBCsC = 'h99,// SBC C ; 99
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| 46 |
|
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SBCsD = 'h9A,// SBC D ; 9A
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| 47 |
|
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SBCsE = 'h9B,// SBC E ; 9B
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| 48 |
|
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SBCsH = 'h9C,// SBC H ; 9C
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| 49 |
|
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SBCsL = 'h9D,// SBC L ; 9D
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| 50 |
|
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SUBsA = 'h97,// SUB A ; 97
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| 51 |
|
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SUBsB = 'h90,// SUB B ; 90
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| 52 |
|
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SUBsC = 'h91,// SUB C ; 91
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| 53 |
|
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SUBsD = 'h92,// SUB D ; 92
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| 54 |
|
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SUBsE = 'h93,// SUB E ; 93
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| 55 |
|
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SUBsH = 'h94,// SUB H ; 94
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| 56 |
|
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SUBsL = 'h95,// SUB L ; 95
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| 57 |
|
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SUBsN = 'hD6,// SUB N ; D6 XX
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| 58 |
|
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XORsA = 'hAF,// XOR A ; AF
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| 59 |
|
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XORsB = 'hA8,// XOR B ; A8
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| 60 |
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XORsC = 'hA9,// XOR C ; A9
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| 61 |
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XORsD = 'hAA,// XOR D ; AA
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| 62 |
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XORsE = 'hAB,// XOR E ; AB
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| 63 |
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XORsH = 'hAC,// XOR H ; AC
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| 64 |
|
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XORsL = 'hAD,// XOR L ; AD
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| 65 |
|
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XORsN = 'hEE,// XOR N ; EE XX
|
| 66 |
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|
|
| 67 |
|
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// same as above but no cf change oh my god why?
|
| 68 |
|
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DECsA = 'h3D,// DEC A ; 3D
|
| 69 |
|
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DECsB = 'h05,// DEC B ; 05
|
| 70 |
|
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DECsC = 'h0D,// DEC C ; 0D
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| 71 |
|
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DECsD = 'h15,// DEC D ; 15
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| 72 |
|
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DECsE = 'h1D,// DEC E ; 1D
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| 73 |
|
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DECsH = 'h25,// DEC H ; 25
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| 74 |
|
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DECsL = 'h2D,// DEC L ; 2D
|
| 75 |
|
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INCsA = 'h3C,// INC A ; 3C
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| 76 |
|
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INCsB = 'h04,// INC B ; 04
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| 77 |
|
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INCsC = 'h0C,// INC C ; 0C
|
| 78 |
|
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INCsD = 'h14,// INC D ; 14
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| 79 |
|
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INCsE = 'h1C,// INC E ; 1C
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| 80 |
|
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INCsH = 'h24,// INC H ; 24
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| 81 |
|
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INCsL = 'h2C,// INC L ; 2C
|
| 82 |
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| 83 |
|
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// update h n c (f5, f3) from alu16
|
| 84 |
|
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ADDsHL_BC = 'h09,// ADD HL,BC ; 09
|
| 85 |
|
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ADDsHL_DE = 'h19,// ADD HL,DE ; 19
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| 86 |
|
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ADDsHL_HL = 'h29,// ADD HL,HL ; 29
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| 87 |
|
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ADDsHL_SP = 'h39,// ADD HL,SP ; 39
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| 88 |
|
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INCsBC = 'h03,// INC BC ; 03
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| 89 |
|
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INCsDE = 'h13,// INC DE ; 13
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| 90 |
|
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INCsHL = 'h23,// INC HL ; 23
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| 91 |
|
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INCsSP = 'h33,// INC SP ; 33
|
| 92 |
|
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// update all flags from alu16
|
| 93 |
|
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ED_SBCsHL_REG = 6'b01__0010, // compair with {ir[7:6],ir[3:0]}
|
| 94 |
|
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ED_ADCsHL_REG = 6'b01__1010, // compair with {ir[7:6],ir[3:0]}
|
| 95 |
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| 96 |
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| 97 |
|
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// the shifts probably muck with all flags (some operations are
|
| 98 |
|
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// guarenteed not to change certain flags )
|
| 99 |
|
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// crap docs say sf and zf never change for these ops.
|
| 100 |
|
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RLA = 'h17,// RLA ; 17
|
| 101 |
|
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RLCA = 'h07,// RLCA ; 07
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| 102 |
|
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RRA = 'h1F,// RRA ; 1F
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| 103 |
|
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RRCA = 'h0F,// RRCA ; 0F
|
| 104 |
|
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// sf and zf do change for theses
|
| 105 |
|
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CB_RLC = 5'b00_000, // these must be compaired with ir[7:3]
|
| 106 |
|
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CB_RRC = 5'b00_001, // these must be compaired with ir[7:3]
|
| 107 |
|
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CB_RL = 5'b00_010, // these must be compaired with ir[7:3]
|
| 108 |
|
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CB_RR = 5'b00_011, // these must be compaired with ir[7:3]
|
| 109 |
|
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CB_SLA = 5'b00_100, // these must be compaired with ir[7:3]
|
| 110 |
|
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CB_SRA = 5'b00_101, // these must be compaired with ir[7:3]
|
| 111 |
|
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CB_SLL = 5'b00_110, // these must be compaired with ir[7:3]
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| 112 |
|
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CB_SRL = 5'b00_111, // these must be compaired with ir[7:3]
|
| 113 |
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| 114 |
|
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// pretty nomal stuff here
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| 115 |
|
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CB_BIT = 2'b01, // these must be compaired with ir[7:6]
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| 116 |
|
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// which alu? --
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| 117 |
|
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ED_NEG = 5'b01___100, // compair with {ir[7:6],ir[2:0]} all A<= -A
|
| 118 |
|
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// rmw 8 types
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| 119 |
|
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INCs6HL7 = 'h34,// INC (HL) ; 34
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| 120 |
|
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DECs6HL7 = 'h35,// DEC (HL) ; 35
|
| 121 |
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| 122 |
|
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// ED Block Move messyness
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| 123 |
|
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// hf and nf <= 0 pnf<= BC==0
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| 124 |
|
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ED_LDI = 'hA0// LDI ; ED A0 (DE++) <= (HL++) , BC--
|
| 125 |
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ED_LDD = 'hA8// LDD ; ED A8 (DE--) <= (HL--) , BC--
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| 126 |
|
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ED_LDIR = 'hB0// LDIR ; ED B0 (DE++) <= (HL++) , BC-- Repeat til BC==0
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| 127 |
|
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ED_LDDR = 'hB8// LDDR ; ED B8 (DE--) <= (HL--) , BC-- Repeat til BC==0
|
| 128 |
|
|
// only c not affected - nf<=1 ?
|
| 129 |
|
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ED_CPI = 'hA1// CPI ; ED A1 A - (HL++) , BC--
|
| 130 |
|
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ED_CPD = 'hA9// CPD ; ED A9 A - (HL--) , BC--
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| 131 |
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ED_CPIR = 'hB1// CPIR ; ED B1 A - (HL++) , BC-- repeat if(|B
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| 132 |
|
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ED_CPDR = 'hB9// CPDR ; ED B9 A - (HL--) , BC-- repeat if(|B
|
| 133 |
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|
| 134 |
|
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// all the ed i/o muck with all flags -- wonderful cf?
|
| 135 |
|
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// use the aluoutput for the b-1 computation.
|
| 136 |
|
|
ED_INI = 'hA2// INI ; ED A2 (HL++) <- (Cio) , B--
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| 137 |
|
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ED_IND = 'hAA// IND ; ED AA (HL--) <- (Cio) , B--
|
| 138 |
|
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ED_INIR = 'hB2// INIR ; ED B2 (HL++) <- (Cio) , B-- repeat if(|B)
|
| 139 |
|
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ED_INDR = 'hBA// INDR ; ED BA (HL--) <- (Cio) , B-- repeat if(|B)
|
| 140 |
|
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ED_OUTI = 'hA3// OUTI ; ED A3 (Cio) <-(HL++) , B--
|
| 141 |
|
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ED_OUTD = 'hAB// OUTD ; ED AB (Cio) <-(HL--) , B--
|
| 142 |
|
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ED_OTIR = 'hB3// OTIR ; ED B3 (Cio) <-(HL++) , B-- rpt if(|B)
|
| 143 |
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ED_OTDR = 'hBB// OTDR ; ED BB (Cio) <-(HL--) , B-- rpt if(|B)
|
| 144 |
|
|
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| 145 |
|
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ED_INsREG_6C7 = 5'b01___000,// compair with {ir[7:6],ir[2:0]} really (BCio)
|
| 146 |
|
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ED_OUTs6C7_REG = 5'b01___001,// compair with {ir[7:6],ir[2:0]}
|
| 147 |
|
|
|
| 148 |
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|
|
| 149 |
|
|
|
| 150 |
|
|
// special problems
|
| 151 |
|
|
CCF = 'h3F,// CCF ; 3F // h<=c c<=1C N<=0 F3,F5?
|
| 152 |
|
|
CPL = 'h2F,// CPL ; 2F // H<=1 N<=1 F3,F5?
|
| 153 |
|
|
DAA = 'h27,// DAA ; 27 // H<=0???
|
| 154 |
|
|
SCF = 'h37,// SCF ; 37
|
| 155 |
|
|
ED_RRD = 'h67// RRD ; ED 67 nibble roates A HL
|
| 156 |
|
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ED_RLD = 'h6F// RLD ; ED 6F nibble roates A HL
|
| 157 |
|
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ED_LDsA_I = 'h57// LD A,I ; ED 57 move I to A
|
| 158 |
|
|
|
| 159 |
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| 160 |
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|
|
| 161 |
|
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// no changes
|
| 162 |
|
|
CB_RES = 2'b10, // these must be compaired with ir[7:6]
|
| 163 |
|
|
CB_SET = 2'b11, // these must be compaired with ir[7:6]
|
| 164 |
|
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DECsBC = 'h0B,// DEC BC ; 0B
|
| 165 |
|
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DECsDE = 'h1B,// DEC DE ; 1B
|
| 166 |
|
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DECsHL = 'h2B,// DEC HL ; 2B
|
| 167 |
|
|
DECsSP = 'h3B,// DEC SP ; 3B
|
| 168 |
|
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DI = 'hF3,// DI ; F3
|
| 169 |
|
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EI = 'hFB,// EI ; FB
|
| 170 |
|
|
EXX = 'hD9,// EXX ; D9
|
| 171 |
|
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EXsAF_AFp = 'h08,// EX AF,AF' ; 08
|
| 172 |
|
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EXsDE_HL = 'hEB,// EX DE,HL ; EB
|
| 173 |
|
|
HALT = 'h76,// HALT ; 76
|
| 174 |
|
|
LDsA_A = 'h7F,// LD A,A ; 7F
|
| 175 |
|
|
LDsA_B = 'h78,// LD A,B ; 78
|
| 176 |
|
|
LDsA_C = 'h79,// LD A,C ; 79
|
| 177 |
|
|
LDsA_D = 'h7A,// LD A,D ; 7A
|
| 178 |
|
|
LDsA_E = 'h7B,// LD A,E ; 7B
|
| 179 |
|
|
LDsA_H = 'h7C,// LD A,H ; 7C
|
| 180 |
|
|
LDsA_L = 'h7D,// LD A,L ; 7D
|
| 181 |
|
|
LDsA_N = 'h3E,// LD A,N ; 3E XX
|
| 182 |
|
|
LDsBC_nn = 'h01,// LD BC,NN ; 01 XX XX
|
| 183 |
|
|
LDsB_A = 'h47,// LD B,A ; 47
|
| 184 |
|
|
LDsB_B = 'h40,// LD B,B ; 40
|
| 185 |
|
|
LDsB_C = 'h41,// LD B,C ; 41
|
| 186 |
|
|
LDsB_D = 'h42,// LD B,D ; 42
|
| 187 |
|
|
LDsB_E = 'h43,// LD B,E ; 43
|
| 188 |
|
|
LDsB_H = 'h44,// LD B,H ; 44
|
| 189 |
|
|
LDsB_L = 'h45,// LD B,L ; 45
|
| 190 |
|
|
LDsB_N = 'h06,// LD B,N ; 06 XX
|
| 191 |
|
|
LDsC_A = 'h4F,// LD C,A ; 4F
|
| 192 |
|
|
LDsC_B = 'h48,// LD C,B ; 48
|
| 193 |
|
|
LDsC_C = 'h49,// LD C,C ; 49
|
| 194 |
|
|
LDsC_D = 'h4A,// LD C,D ; 4A
|
| 195 |
|
|
LDsC_E = 'h4B,// LD C,E ; 4B
|
| 196 |
|
|
LDsC_H = 'h4C,// LD C,H ; 4C
|
| 197 |
|
|
LDsC_L = 'h4D,// LD C,L ; 4D
|
| 198 |
|
|
LDsC_N = 'h0E,// LD C,N ; 0E XX
|
| 199 |
|
|
LDsDE_NN = 'h11,// LD DE,NN ; 11 XX XX
|
| 200 |
|
|
LDsD_A = 'h57,// LD D,A ; 57
|
| 201 |
|
|
LDsD_B = 'h50,// LD D,B ; 50
|
| 202 |
|
|
LDsD_C = 'h51,// LD D,C ; 51
|
| 203 |
|
|
LDsD_D = 'h52,// LD D,D ; 52
|
| 204 |
|
|
LDsD_E = 'h53,// LD D,E ; 53
|
| 205 |
|
|
LDsD_H = 'h54,// LD D,H ; 54
|
| 206 |
|
|
LDsD_L = 'h55,// LD D,L ; 55
|
| 207 |
|
|
LDsD_N = 'h16,// LD D,N ; 16 XX
|
| 208 |
|
|
LDsE_A = 'h5F,// LD E,A ; 5F
|
| 209 |
|
|
LDsE_B = 'h58,// LD E,B ; 58
|
| 210 |
|
|
LDsE_C = 'h59,// LD E,C ; 59
|
| 211 |
|
|
LDsE_D = 'h5A,// LD E,D ; 5A
|
| 212 |
|
|
LDsE_E = 'h5B,// LD E,E ; 5B
|
| 213 |
|
|
LDsE_H = 'h5C,// LD E,H ; 5C
|
| 214 |
|
|
LDsE_L = 'h5D,// LD E,L ; 5D
|
| 215 |
|
|
LDsE_N = 'h1E,// LD E,N ; 1E XX
|
| 216 |
|
|
LDsHL_NN = 'h21,// LD HL,NN ; 21 XX XX
|
| 217 |
|
|
LDsH_A = 'h67,// LD H,A ; 67
|
| 218 |
|
|
LDsH_B = 'h60,// LD H,B ; 60
|
| 219 |
|
|
LDsH_C = 'h61,// LD H,C ; 61
|
| 220 |
|
|
LDsH_D = 'h62,// LD H,D ; 62
|
| 221 |
|
|
LDsH_E = 'h63,// LD H,E ; 63
|
| 222 |
|
|
LDsH_H = 'h64,// LD H,H ; 64
|
| 223 |
|
|
LDsH_L = 'h65,// LD H,L ; 65
|
| 224 |
|
|
LDsH_N = 'h26,// LD H,N ; 26 XX
|
| 225 |
|
|
LDsL_A = 'h6F,// LD L,A ; 6F
|
| 226 |
|
|
LDsL_B = 'h68,// LD L,B ; 68
|
| 227 |
|
|
LDsL_C = 'h69,// LD L,C ; 69
|
| 228 |
|
|
LDsL_D = 'h6A,// LD L,D ; 6A
|
| 229 |
|
|
LDsL_E = 'h6B,// LD L,E ; 6B
|
| 230 |
|
|
LDsL_H = 'h6C,// LD L,H ; 6C
|
| 231 |
|
|
LDsL_L = 'h6D,// LD L,L ; 6D
|
| 232 |
|
|
LDsL_N = 'h2E,// LD L,N ; 2E XX
|
| 233 |
|
|
LDsSP_HL = 'hF9,// LD SP,HL ; F9
|
| 234 |
|
|
LDsSP_NN = 'h31,// LD SP,NN ; 31 XX XX
|
| 235 |
|
|
NOP = 'h00,// NOP ; 00
|
| 236 |
|
|
ED_IMs0 = 'h46// IM 0 ; ED 46 set IM0
|
| 237 |
|
|
ED_LDsI_A = 'h47// LD I,A ; ED 47 move a to I
|
| 238 |
|
|
ED_IMs1 = 'h56// IM 1 ; ED 56 set IM1
|
| 239 |
|
|
ED_IMs2 = 'h5E// IM 2 ; ED 5E set IM2
|
| 240 |
|
|
// load 8 types
|
| 241 |
|
|
LDsA_6BC7 = 'h0A,// LD A,(BC) ; 0A
|
| 242 |
|
|
LDsA_6DE7 = 'h1A,// LD A,(DE) ; 1A
|
| 243 |
|
|
LDsB_6HL7 = 'h46,// LD B,(HL) ; 46
|
| 244 |
|
|
LDsD_6HL7 = 'h56,// LD D,(HL) ; 56
|
| 245 |
|
|
LDsH_6HL7 = 'h66,// LD H,(HL) ; 66
|
| 246 |
|
|
ADDsA_6HL7 = 'h86,// ADD A,(HL) ; 86
|
| 247 |
|
|
SUBs6HL7 = 'h96,// SUB (HL) ; 96
|
| 248 |
|
|
ANDs6HL7 = 'hA6,// AND (HL) ; A6
|
| 249 |
|
|
ORs6HL7 = 'hB6,// OR (HL) ; B6
|
| 250 |
|
|
LDsC_6HL7 = 'h4E,// LD C,(HL) ; 4E
|
| 251 |
|
|
LDsE_6HL7 = 'h5E,// LD E,(HL) ; 5E
|
| 252 |
|
|
LDsL_6HL7 = 'h6E,// LD L,(HL) ; 6E
|
| 253 |
|
|
LDsA_6HL7 = 'h7E,// LD A,(HL) ; 7E
|
| 254 |
|
|
ADCsA_6HL7 = 'h8E,// ADC A,(HL) ; 8E
|
| 255 |
|
|
SBCs6HL7 = 'h9E,// SBC (HL) ; 9E
|
| 256 |
|
|
XORs6HL7 = 'hAE,// XOR (HL) ; AE
|
| 257 |
|
|
CPs6HL7 = 'hBE,// CP (HL) ; BE
|
| 258 |
|
|
LDsA_6NN7 = 'h3A,// LD A,(NN) ; 3A XX XX
|
| 259 |
|
|
CB_MEM & CB_BIT = 2'b01, // (HL) these must be compaired with ir[7:6]
|
| 260 |
|
|
// load 16 types
|
| 261 |
|
|
LDsHL_6NN7 = 'h2A,// LD HL,(NN) ; 2A XX XX
|
| 262 |
|
|
POPsAF = 'hF1,// POP AF ; F1 AF<- (SP++ ++)
|
| 263 |
|
|
POPsBC = 'hC1,// POP BC ; C1 BC<- (SP++ ++)
|
| 264 |
|
|
POPsDE = 'hD1,// POP DE ; D1 DE<- (SP++ ++)
|
| 265 |
|
|
POPsHL = 'hE1,// POP HL ; E1 HL<- (SP++ ++)
|
| 266 |
|
|
ED_LDsREG_6NN7 = 6'b01__1011, // compair with {ir[7:6],ir[3:0]} REG = BC,DE,HL,SP
|
| 267 |
|
|
// store 8 types
|
| 268 |
|
|
LDs6HL7_N = 'h36,// LD (HL),N ; 36 XX
|
| 269 |
|
|
LDs6BC7_A = 'h02,// LD (BC),A ; 02
|
| 270 |
|
|
LDs6DE7_A = 'h12,// LD (DE),A ; 12
|
| 271 |
|
|
LDs6HL7_A = 'h77,// LD (HL),A ; 77
|
| 272 |
|
|
LDs6HL7_B = 'h70,// LD (HL),B ; 70
|
| 273 |
|
|
LDs6HL7_C = 'h71,// LD (HL),C ; 71
|
| 274 |
|
|
LDs6HL7_D = 'h72,// LD (HL),D ; 72
|
| 275 |
|
|
LDs6HL7_E = 'h73,// LD (HL),E ; 73
|
| 276 |
|
|
LDs6HL7_H = 'h74,// LD (HL),H ; 74
|
| 277 |
|
|
LDs6HL7_L = 'h75,// LD (HL),L ; 75
|
| 278 |
|
|
LDs6NN7_A = 'h32,// LD (NN),A ; 32 XX XX
|
| 279 |
|
|
// store 16 types
|
| 280 |
|
|
PUSHsAF = 'hF5,// PUSH AF ; F5 (-- --SP) <- AF
|
| 281 |
|
|
PUSHsBC = 'hC5,// PUSH BC ; C5 (-- --SP) <- BC
|
| 282 |
|
|
PUSHsDE = 'hD5,// PUSH DE ; D5 (-- --SP) <- DE
|
| 283 |
|
|
PUSHsHL = 'hE5,// PUSH HL ; E5 (-- --SP) <- HL
|
| 284 |
|
|
LDs6NN7_HL = 'h22,// LD (NN),HL ; 22 XX XX
|
| 285 |
|
|
ED_LDs6NN7_REG = 6'b01__0011,// XX XX compair with {ir[7:6],ir[3:0]} REG = BC,DE,HL,SP
|
| 286 |
|
|
|
| 287 |
|
|
|
| 288 |
|
|
|
| 289 |
|
|
|
| 290 |
|
|
// rmw 16 types
|
| 291 |
|
|
EXs6SP7_HL = 'hE3,// EX (SP),HL ; E3
|
| 292 |
|
|
|
| 293 |
|
|
// Jumps only trick here is that next inst is not valid - ignore it
|
| 294 |
|
|
JRs$t2 = 'h18,// JR $+2 ; 18 XX
|
| 295 |
|
|
JRsC_$t2 = 'h38,// JR C,$+2 ; 38
|
| 296 |
|
|
JRsNC_$t2 = 'h30,// JR NC,$+2 ; 30
|
| 297 |
|
|
JRsNZ_$t2 = 'h20,// JR NZ,$+2 ; 20
|
| 298 |
|
|
JRsZ_$t2 = 'h28,// JR Z,$+2 ; 28
|
| 299 |
|
|
DJNZs$t2 = 'h10,// DJNZ $+2 ; 10 XX XX
|
| 300 |
|
|
JPs = 'hC3,// JP $+3 ; C3 XX XX
|
| 301 |
|
|
JPsC = 'hDA,// JP C,$+3 ; DA XX XX
|
| 302 |
|
|
JPsHL = 'hE9,// JP HL ; E9 // documented as indirect IS NOT
|
| 303 |
|
|
JPsM = 'hFA,// JP M,$+3 ; FA XX XX
|
| 304 |
|
|
JPsNC = 'hD2,// JP NC,$+3 ; D2 XX XX
|
| 305 |
|
|
JPsNZ = 'hC2,// JP NZ,$+3 ; C2 XX XX
|
| 306 |
|
|
JPsPE = 'hEA,// JP PE,$+3 ; EA XX XX
|
| 307 |
|
|
JPsPO = 'hE2,// JP PO,$+3 ; E2 XX XX
|
| 308 |
|
|
JPsP = 'hF2,// JP P,$+3 ; F2 XX XX
|
| 309 |
|
|
JPsZ = 'hCA,// JP Z,$+3 ; CA XX XX
|
| 310 |
|
|
RSTs0 = 'hC7,// RST 0 ; C7
|
| 311 |
|
|
RSTs8H = 'hCF,// RST 8H ; CF
|
| 312 |
|
|
RSTs10H = 'hD7,// RST 10H ; D7
|
| 313 |
|
|
RSTs18H = 'hDF,// RST 18H ; DF
|
| 314 |
|
|
RSTs20H = 'hE7,// RST 20H ; E7
|
| 315 |
|
|
RSTs28H = 'hEF,// RST 28H ; EF
|
| 316 |
|
|
RSTs30H = 'hF7,// RST 30H ; F7
|
| 317 |
|
|
RSTs38H = 'hFF,// RST 38H ; FF
|
| 318 |
|
|
|
| 319 |
|
|
|
| 320 |
|
|
// calls
|
| 321 |
|
|
CALLsC_NN = 'hDC,// CALL C,NN ; DC XX XX (-- --SP) <- PC, PC<-NN
|
| 322 |
|
|
CALLsM_NN = 'hFC,// CALL M,NN ; FC XX XX (-- --SP) <- PC, PC<-NN
|
| 323 |
|
|
CALLsNC_NN = 'hD4,// CALL NC,NN ; D4 XX XX (-- --SP) <- PC, PC<-NN
|
| 324 |
|
|
CALLsNN = 'hCD,// CALL NN ; CD XX XX (-- --SP) <- PC, PC<-NN
|
| 325 |
|
|
CALLsNZ_NN = 'hC4,// CALL NZ,NN ; C4 XX XX (-- --SP) <- PC, PC<-NN
|
| 326 |
|
|
CALLsPE_NN = 'hEC,// CALL PE,NN ; EC XX XX (-- --SP) <- PC, PC<-NN
|
| 327 |
|
|
CALLsPO_NN = 'hE4,// CALL PO,NN ; E4 XX XX (-- --SP) <- PC, PC<-NN
|
| 328 |
|
|
CALLsP_NN = 'hF4,// CALL P,NN ; F4 XX XX (-- --SP) <- PC, PC<-NN
|
| 329 |
|
|
CALLsZ_NN = 'hCC,// CALL Z,NN ; CC XX XX (-- --SP) <- PC, PC<-NN
|
| 330 |
|
|
|
| 331 |
|
|
//returns
|
| 332 |
|
|
RET = 'hC9,// RET ; C9 PC <- (SP++ ++)
|
| 333 |
|
|
RETsC = 'hD8,// RET C ; D8 PC <- (SP++ ++)
|
| 334 |
|
|
RETsM = 'hF8,// RET M ; F8 PC <- (SP++ ++)
|
| 335 |
|
|
RETsNC = 'hD0,// RET NC ; D0 PC <- (SP++ ++)
|
| 336 |
|
|
RETsNZ = 'hC0,// RET NZ ; C0 PC <- (SP++ ++)
|
| 337 |
|
|
RETsP = 'hF0,// RET P ; F0 PC <- (SP++ ++)
|
| 338 |
|
|
RETsPE = 'hE8,// RET PE ; E8 PC <- (SP++ ++)
|
| 339 |
|
|
RETsPO = 'hE0,// RET PO ; E0 PC <- (SP++ ++)
|
| 340 |
|
|
RETsZ = 'hC8,// RET Z ; C8 PC <- (SP++ ++)
|
| 341 |
|
|
ED_RETN = 5'b01___101; // compair with {ir[7:6],ir[2:0]} and !reti
|
| 342 |
|
|
|
| 343 |
|
|
|
| 344 |
|
|
//io input no flag chnges for this one
|
| 345 |
|
|
INsA_6N7 = 'hDB,// IN A,(N) ; DB XX A<-(Nio)//silly
|
| 346 |
|
|
|
| 347 |
|
|
//io output
|
| 348 |
|
|
OUTs6N7_A = 'hD3,// OUT (N),A ; D3 XX A-> (Nio)
|
| 349 |
|
|
|
| 350 |
|
|
|
| 351 |
|
|
|
| 352 |
|
|
|
| 353 |
|
|
|
| 354 |
|
|
|
| 355 |
|
|
CBgrp = 'hCB,// CBgrp is rotates and bit munging below
|
| 356 |
|
|
EDgrp = 'hED,// EDgrp ED
|
| 357 |
|
|
FDgrp = 'hFD,// FDgrp FD
|
| 358 |
|
|
DDgrp = 'hDD,// DDgrp
|
