define NULL 0

define r0 0
define r1 1
define r2 2
define r3 3
define r4 4
define r5 5
define r6 6
define r7 7
define r8 8
define r9 9
define r10 10
define r11 11
define r12 12
define r13 13 define r14 14
define r15 15
define r16 16
define r17 17
define r18 18
define r19 19
define r20 20
define r21 21
define r22 22
define r23 23
define r24 24
define r25 25
define r26 26
define r27 27
define r28 28
define r29 29
define r30 30
define r31 31
define r32 32
define r33 33
define r34 34
define r35 35
define r36 36
define r37 37
define r38 38
define r39 39
define r40 40
define r41 41
define r42 42
define r43 43
define r44 44
define r45 45
define r46 46
define r47 47
define r48 48
define r49 49
define r50 50
define r51 51
define r52 52
define r53 53
define r54 54
define r55 55
define r56 56
define r57 57
define r58 58
define r59 59
define r60 60
define r61 61
define r62 62
define r63 63
define r64 64
define r65 65
define r66 66
define r67 67
define r68 68
define r69 69
define r70 70
define r71 71
define r72 72
define r73 73
define r74 74
define r75 75
define r76 76
define r77 77
define r78 78
define r79 79
define r80 80
define r81 81
define r82 82
define r83 83
define r84 84
define r85 85
define r86 86
define r87 87
define r88 88
define r89 89
define r90 90
define r91 91
define r92 92
define r93 93
define r94 94
define r95 95

define xSp 252
define xBp 253
define xPc 255

define h0 0
define h1 1
define h2 2
define h3 3
define h4 4
define h5 5
define h6 6
define h7 7
define h8 8
define h9 9
define h10 10
define h11 11
define h12 12
define h13 13
define h14 14
define h15 15
define h16 16
define h17 17
define h18 18
define h19 19
define h20 20
define h21 21
define h22 22
define h23 23
define h24 24
define h25 25
define h26 26
define h27 27
define h28 28
define h29 29
define h30 30
define h31 31
define h32 32
define h33 33
define h34 34
define h35 35
define h36 36
define h37 37
define h38 38
define h39 39
define h40 40
define h41 41
define h42 42
define h43 43
define h44 44
define h45 45
define h46 46
define h47 47
define h48 48
define h49 49
define h50 50
define h51 51
define h52 52
define h53 53
define h54 54
define h55 55
define h56 56
define h57 57
define h58 58
define h59 59
define h60 60
define h61 61
define h62 62
define h63 63
define h64 64
define h65 65
define h66 66
define h67 67
define h68 68
define h69 69
define h70 70
define h71 71
define h72 72
define h73 73
define h74 74
define h75 75
define h76 76
define h77 77
define h78 78
define h79 79
define h80 80
define h81 81
define h82 82
define h83 83
define h84 84
define h85 85
define h86 86
define h87 87
define h88 88
define h89 89
define h90 90
define h91 91
define h92 92
define h93 93
define h94 94
define h95 95

define UART_TX 0xCFFFFFFFFFFFFFFD
define UART_RX 0xCFFFFFFFFFFFFFFE

macro _dq_be val
  db (val shr 56) and 0FFh
  db (val shr 48) and 0FFh
  db (val shr 40) and 0FFh
  db (val shr 32) and 0FFh
  db (val shr 24) and 0FFh
  db (val shr 16) and 0FFh
  db (val shr  8) and 0FFh
  db (val shr  0) and 0FFh 
end macro

macro MovI64 dst, val
  db 0xE9
  db dst
  _dq_be val
end macro

macro Ld8 dst, addr
  db 0x93
  db dst
  db addr
end macro

macro St8 dst, addr
  db 0x92
  db dst
  db addr
end macro

macro AddR64 dst, src
  db 0x60
  db dst
  db src
end macro

macro MulR64 dst, src
  db 0x70
  db dst
  db src
end macro

macro DivR64 dst, src
  db 0x72
  db dst
  db src
end macro

macro ModR64 dst, src
  db 0x74
  db dst
  db src
end macro

macro RSetF reg
  db 0x42
  db reg
end macro

macro JmpR addr
  db 0xC0
  db addr
end macro

macro Jmp addr
  MovI64 127, addr
  JmpR 127
end macro

macro JmpRIZ addr
  db 0xC1
  db addr
end macro

macro JmpIZ addr
  MovI64 127, addr
  JmpRIZ 127
end macro

macro Halt
  db 0
end macro