Init

tests/UARTcat.hex

@@ -0,0 +1,9 @@
+E9 7F CFFFFFFFFFFFFFFD # UART TX
+E9 7E CFFFFFFFFFFFFFFE # UART RX
+# my assembler is shit and doesn't have labels
+# this point is 0x4000000000000014 though
+93 01 7E # Ld8 r1, RX
+92 01 7F # St8 r1, TX
+E9 03 4000000000000014 # jumpback addr
+C0 03 # jump back
+00

tests/UARTtruthMachine.hex

@@ -0,0 +1,8 @@
+E9 7D CFFFFFFFFFFFFFFD        # MovI64 7F UART_TX
+E9 7E CFFFFFFFFFFFFFFE        # MovI64 7F UART_RX
+93 02 7E                      # Ld8 02, UART_RX
+E9 01 0000000000000030        # MovI64 R1, 48
+6F 01 02                      # SubR64, R1, R2 (if R1 > 0 loop)
+82 01                         # RSetF R1
+# This is 0x4000000000000026
+

tests/cat.asm

@@ -0,0 +1,11 @@
+include 'fvm.inc'
+org 0x4000000000000000
+start:
+  MovI64 r95, UART_TX
+  MovI64 r94, UART_RX
+LoopHead:
+  Ld8 r1, r94
+  St8 r1, r95
+  MovI64 r3, LoopHead
+  JmpR r3
+  Halt

tests/fvm.inc

@@ -0,0 +1,267 @@
+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 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
+

tests/hw.asm

@@ -0,0 +1,17 @@
+include 'fvm.inc'
+
+org 0x4000000000000000
+start:
+  MovI64 r3, msg
+  MovI64 r1, 1
+  MovI64 r95, UART_TX
+LoopHead:
+  Ld8 r2, r3
+  RSetF r2
+  JmpIZ LoopTail
+  St8 r2, r95
+  AddR64 r3, r1
+  Jmp LoopHead
+LoopTail:
+  Halt
+msg db 'Hello World!', 10, 0

tests/uartHW.hex

@@ -0,0 +1,29 @@
+E9 01 CFFFFFFFFFFFFFFD # MovI64 r1, ...
+E9 02 0000000000000048 # MovI64 r2, 'H'
+92 02 01               # send 2 uart
+E9 02 0000000000000065 # 'e'
+92 02 01
+E9 02 000000000000006C # 'l'*2
+92 02 01
+92 02 01
+E9 02 000000000000006F # 'o'
+92 02 01
+E9 02 000000000000002C # ','
+92 02 01
+E9 02 0000000000000020 # ' ' 
+92 02 01
+E9 02 0000000000000057 # 'W'
+92 02 01
+E9 02 000000000000006F # 'o'
+92 02 01
+E9 02 0000000000000072 # 'r'
+92 02 01
+E9 02 000000000000006C # 'l'
+92 02 01
+E9 02 0000000000000064 # 'd'
+92 02 01
+E9 02 0000000000000021 # '!'
+92 02 01
+E9 02 000000000000000A # '\n'
+92 02 01
+00