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Use actual values from sd card

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This commit is contained in:
Byron Lathi
2023-08-15 19:30:11 -07:00
parent dfdb41a875
commit 68ff523b10
4 changed files with 84 additions and 66 deletions
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112
hw/efinix_fpga/init_hex.mem
View File

@@ -1,10 +1,10 @@
@00000000 @00000000
00 80 4C 00 00 8D 13 90 8E 14 90 8D 1A 90 8E 1B 00 80 4C 00 00 8D 13 92 8E 14 92 8D 1A 92 8E 1B
90 88 B9 FF FF 8D 24 90 88 B9 FF FF 8D 23 90 8C 92 88 B9 FF FF 8D 24 92 88 B9 FF FF 8D 23 92 8C
26 90 20 FF FF A0 FF D0 E8 60 00 00 90 FD 00 00 26 92 20 FF FF A0 FF D0 E8 60 00 00 90 FD 00 00
00 00 A2 FF 9A D8 A9 00 85 00 A9 E0 85 01 20 08 00 00 A2 FF 9A D8 A9 00 85 00 A9 DF 85 01 20 08
FE 20 B9 FA 20 52 F0 58 20 69 F2 6C FC FF 20 AD FE 20 B9 FA 20 52 F0 58 20 69 F2 6C FC FF 20 AD
FA 00 A0 00 F0 07 A9 52 A2 F0 4C 05 90 60 AD FF FA 00 A0 00 F0 07 A9 52 A2 F0 4C 05 92 60 AD FF
EF A2 00 60 8D FF EF 60 20 4F F2 C9 0A D0 05 A9 EF A2 00 60 8D FF EF 60 20 4F F2 C9 0A D0 05 A9
0D 20 4F F2 60 DA 5A A8 B2 00 AA A9 1B 20 4F F2 0D 20 4F F2 60 DA 5A A8 B2 00 AA A9 1B 20 4F F2
A9 5B 20 4F F2 98 20 4F F2 A9 3B 20 4F F2 8A 20 A9 5B 20 4F F2 98 20 4F F2 A9 3B 20 4F F2 8A 20
@@ -41,15 +41,15 @@ DA EF AD DB EF 30 FB AD D9 EF 60 8D E6 EF 60 48
86 03 A9 00 20 0B FC 20 5A FB A9 4D A2 FE 20 1A 86 03 A9 00 20 0B FC 20 5A FB A9 4D A2 FE 20 1A
FB 20 3A F3 C9 00 20 B8 FC D0 03 4C 98 F2 A9 45 FB 20 3A F3 C9 00 20 B8 FC D0 03 4C 98 F2 A9 45
A2 FE 20 1A FB 4C 2E F3 A9 3B A2 FE 20 1A FB A0 A2 FE 20 1A FB 4C 2E F3 A9 3B A2 FE 20 1A FB A0
05 20 C7 FB 20 0B FC AD 00 90 AE 01 90 20 11 FD 05 20 C7 FB 20 0B FC AD 00 92 AE 01 92 20 11 FD
A9 0C 20 D8 FB 20 96 F1 A0 07 91 00 A0 07 A2 00 A9 0C 20 D8 FB 20 96 F1 A0 07 91 00 A0 07 A2 00
B1 00 C9 00 20 BE FC D0 03 4C DC F2 A0 06 A2 00 B1 00 C9 00 20 BE FC D0 03 4C DC F2 A0 06 A2 00
B1 00 C9 FE 20 BE FC F0 03 4C E5 F2 A2 00 A9 00 B1 00 C9 FE 20 BE FC F0 03 4C E5 F2 A2 00 A9 00
D0 03 4C E9 F2 A2 00 A9 01 D0 03 4C FA F2 AD 00 D0 03 4C E9 F2 A2 00 A9 01 D0 03 4C FA F2 AD 00
90 AE 01 90 20 3C F6 4C 2B F3 A0 06 A2 00 B1 00 92 AE 01 92 20 3C F6 4C 2B F3 A0 06 A2 00 B1 00
A2 00 29 F0 20 9F FA D0 03 4C 16 F3 A9 45 A2 FE A2 00 29 F0 20 9F FA D0 03 4C 16 F3 A9 45 A2 FE
20 1A FB 4C 2B F3 A9 2B A2 FE 20 11 FD A0 08 A2 20 1A FB 4C 2B F3 A9 2B A2 FE 20 11 FD A0 08 A2
00 B1 00 20 11 FD A0 04 20 E6 FA 6C 00 90 4C 31 00 B1 00 20 11 FD A0 04 20 E6 FA 6C 00 92 4C 31
F3 4C 31 F3 A0 0C 20 85 FA 60 20 81 FB A9 00 20 F3 4C 31 F3 A0 0C 20 85 FA 60 20 81 FB A9 00 20
FB FC 20 6E F1 4C 71 F3 A0 00 A2 00 18 A9 01 71 FB FC 20 6E F1 4C 71 F3 A0 00 A2 00 18 A9 01 71
00 91 00 A0 00 A2 00 B1 00 C9 FF 20 BE FC D0 03 00 91 00 A0 00 A2 00 B1 00 C9 FF 20 BE FC D0 03
@@ -108,74 +108,74 @@ C4 F6 A9 79 A2 FE 20 11 FD A0 06 20 BE FB A0 00
02 91 00 4C B8 F6 A2 00 A9 20 20 68 F0 A0 02 A2 02 91 00 4C B8 F6 A2 00 A9 20 20 68 F0 A0 02 A2
00 18 A9 01 71 00 91 00 A0 00 A2 00 A9 01 20 75 00 18 A9 01 71 00 91 00 A0 00 A2 00 A9 01 20 75
FA 4C 50 F6 A9 7D A2 FE 20 1A FB 20 A9 FB 60 A0 FA 4C 50 F6 A9 7D A2 FE 20 1A FB 20 A9 FB 60 A0
00 B1 16 E6 16 D0 02 E6 17 60 AD 3D 90 8D 38 90 00 B1 16 E6 16 D0 02 E6 17 60 AD 3D 92 8D 38 92
20 7B F7 A9 38 A2 90 20 11 FD 20 F2 FC 4C 02 90 20 7B F7 A9 38 A2 92 20 11 FD 20 F2 FC 4C 02 92
A5 14 38 E9 02 85 14 B0 02 C6 15 60 AD 42 90 D0 A5 14 38 E9 02 85 14 B0 02 C6 15 60 AD 42 92 D0
11 20 19 F7 4C 98 FA AD 42 90 D0 06 20 19 F7 4C 11 20 19 F7 4C 98 FA AD 42 92 D0 06 20 19 F7 4C
92 FA 20 19 F7 85 02 86 03 20 F0 F6 A0 01 B1 14 92 FA 20 19 F7 85 02 86 03 20 F0 F6 A0 01 B1 14
AA 88 B1 14 60 A0 00 84 08 84 09 B1 16 38 E9 30 AA 88 B1 14 60 A0 00 84 08 84 09 B1 16 38 E9 30
90 2C C9 0A B0 28 20 D3 F6 48 A5 08 A6 09 06 08 90 2C C9 0A B0 28 20 D3 F6 48 A5 08 A6 09 06 08
26 09 06 08 26 09 65 08 85 08 8A 65 09 85 09 06 26 09 06 08 26 09 65 08 85 08 8A 65 09 85 09 06
08 26 09 68 65 08 85 08 90 D1 E6 09 B0 CD A5 08 08 26 09 68 65 08 85 08 90 D1 E6 09 B0 CD A5 08
A6 09 60 AC 44 90 EE 44 90 99 45 90 60 A9 45 A2 A6 09 60 AC 44 92 EE 44 92 99 45 92 60 A9 45 A2
90 18 6D 44 90 90 01 E8 4C 11 FD A5 18 A6 19 4C 92 18 6D 44 92 90 01 E8 4C 11 FD A5 18 A6 19 4C
11 FD 20 DA F6 EE 3E 90 D0 F8 EE 3F 90 D0 F3 60 11 FD 20 DA F6 EE 3E 92 D0 F8 EE 3F 92 D0 F3 60
20 7B F7 AD 59 90 AE 5A 90 20 11 FD AD 5B 90 AE 20 7B F7 AD 59 92 AE 5A 92 20 11 FD AD 5B 92 AE
5C 90 20 11 FD 4C 02 90 84 08 20 0B FC 20 6D F7 5C 92 20 11 FD 4C 02 92 84 08 20 0B FC 20 6D F7
A5 08 4C 3B FC 84 08 20 0B FC 20 6D F7 A5 08 4C A5 08 4C 3B FC 84 08 20 0B FC 20 6D F7 A5 08 4C
7C FC 48 A0 05 B9 14 00 99 32 90 88 10 F7 68 85 7C FC 48 A0 05 B9 14 00 99 32 92 88 10 F7 68 85
14 86 15 20 8E FB 85 16 86 17 20 8E FB 85 18 86 14 86 15 20 8E FB 85 16 86 17 20 8E FB 85 18 86
19 A9 00 A8 91 18 C8 91 18 C8 B1 18 8D 03 90 C8 19 A9 00 A8 91 18 C8 91 18 C8 B1 18 8D 03 92 C8
B1 18 8D 04 90 A5 16 85 08 A5 17 85 09 A0 00 B1 B1 18 8D 04 92 A5 16 85 08 A5 17 85 09 A0 00 B1
16 F0 0B C9 25 F0 07 C8 D0 F5 E6 17 D0 F1 98 18 16 F0 0B C9 25 F0 07 C8 D0 F5 E6 17 D0 F1 98 18
65 16 85 16 90 02 E6 17 38 E5 08 85 0A A5 17 E5 65 16 85 16 90 02 E6 17 38 E5 08 85 0A A5 17 E5
09 85 0B 05 0A F0 25 20 74 FB A0 05 A5 19 91 00 09 85 0B 05 0A F0 25 20 74 FB A0 05 A5 19 91 00
88 A5 18 91 00 88 A5 09 91 00 88 A5 08 91 00 88 88 A5 18 91 00 88 A5 09 91 00 88 A5 08 91 00 88
A5 0B 91 00 88 A5 0A 91 00 20 02 90 20 CF F6 AA A5 0B 91 00 88 A5 0A 91 00 20 02 92 20 CF F6 AA
D0 0B A2 05 BD 32 90 95 14 CA 10 F8 60 C9 25 D0 D0 0B A2 05 BD 32 92 95 14 CA 10 F8 60 C9 25 D0
09 B1 16 C9 25 D0 09 20 D3 F6 20 DD F6 4C F5 F7 09 B1 16 C9 25 D0 09 20 D3 F6 20 DD F6 4C F5 F7
A9 00 A2 0B 9D 39 90 CA 10 FA B1 16 C9 2D D0 05 A9 00 A2 0B 9D 39 92 CA 10 FA B1 16 C9 2D D0 05
8E 39 90 F0 19 C9 2B D0 05 8E 3A 90 F0 10 C9 20 8E 39 92 F0 19 C9 2B D0 05 8E 3A 92 F0 10 C9 20
D0 05 8E 3B 90 F0 07 C9 23 D0 09 8E 3C 90 20 D3 D0 05 8E 3B 92 F0 07 C9 23 D0 09 8E 3C 92 20 D3
F6 4C 7A F8 A2 20 C9 30 D0 06 AA 20 D3 F6 B1 16 F6 4C 7A F8 A2 20 C9 30 D0 06 AA 20 D3 F6 B1 16
8E 3D 90 C9 2A D0 09 20 D3 F6 20 19 F7 4C C3 F8 8E 3D 92 C9 2A D0 09 20 D3 F6 20 19 F7 4C C3 F8
20 25 F7 8D 3E 90 8E 3F 90 8C 40 90 8C 41 90 B1 20 25 F7 8D 3E 92 8E 3F 92 8C 40 92 8C 41 92 B1
16 C9 2E D0 1B 20 D3 F6 B1 16 C9 2A D0 09 20 D3 16 C9 2E D0 1B 20 D3 F6 B1 16 C9 2A D0 09 20 D3
F6 20 19 F7 4C EA F8 20 25 F7 8D 40 90 8E 41 90 F6 20 19 F7 4C EA F8 20 25 F7 8D 40 92 8E 41 92
B1 16 C9 7A F0 19 C9 68 F0 15 C9 74 F0 11 C9 6A B1 16 C9 7A F0 19 C9 68 F0 15 C9 74 F0 11 C9 6A
F0 08 C9 4C F0 04 C9 6C D0 0B A9 FF 8D 42 90 20 F0 08 C9 4C F0 04 C9 6C D0 0B A9 FF 8D 42 92 20
D3 F6 4C F0 F8 8C 44 90 A2 45 8E 59 90 A2 90 8E D3 F6 4C F0 F8 8C 44 92 A2 45 8E 59 92 A2 92 8E
5A 90 20 D3 F6 C9 63 D0 0D 20 19 F7 8D 45 90 A2 5A 92 20 D3 F6 C9 63 D0 0D 20 19 F7 8D 45 92 A2
00 A9 01 4C 1C FA C9 64 F0 04 C9 69 D0 2D A2 00 00 A9 01 4C 1C FA C9 64 F0 04 C9 69 D0 2D A2 00
AD 3B 90 F0 02 A2 20 AD 3A 90 F0 02 A2 2B 8E 43 AD 3B 92 F0 02 A2 20 AD 3A 92 F0 02 A2 2B 8E 43
90 20 07 F7 A4 03 30 0B AC 43 90 F0 06 8C 45 90 92 20 07 F7 A4 03 30 0B AC 43 92 F0 06 8C 45 92
EE 44 90 A0 0A 20 A8 F7 4C 13 FA C9 6E D0 15 20 EE 44 92 A0 0A 20 A8 F7 4C 13 FA C9 6E D0 15 20
19 F7 85 08 86 09 A0 00 B1 18 91 08 C8 B1 18 91 19 F7 85 08 86 09 A0 00 B1 18 91 08 C8 B1 18 91
08 4C F5 F7 C9 6F D0 27 20 07 F7 AC 3C 90 F0 17 08 4C F5 F7 C9 6F D0 27 20 07 F7 AC 3C 92 F0 17
48 86 10 05 10 05 02 05 03 0D 40 90 0D 41 90 F0 48 86 10 05 10 05 02 05 03 0D 40 92 0D 41 92 F0
06 A9 30 20 63 F7 68 A0 08 20 A8 F7 4C 13 FA C9 06 A9 30 20 63 F7 68 A0 08 20 A8 F7 4C 13 FA C9
70 D0 0D A2 00 8E 42 90 E8 8E 3C 90 A9 78 D0 27 70 D0 0D A2 00 8E 42 92 E8 8E 3C 92 A9 78 D0 27
C9 73 D0 0C 20 19 F7 8D 59 90 8E 5A 90 4C 13 FA C9 73 D0 0C 20 19 F7 8D 59 92 8E 5A 92 4C 13 FA
C9 75 D0 0B 20 FC F6 A0 0A 20 B5 F7 4C 13 FA C9 C9 75 D0 0B 20 FC F6 A0 0A 20 B5 F7 4C 13 FA C9
78 F0 04 C9 58 D0 29 48 AD 3C 90 F0 0A A9 30 20 78 F0 04 C9 58 D0 29 48 AD 3C 92 F0 0A A9 30 20
63 F7 A9 58 20 63 F7 20 FC F6 A0 10 20 B5 F7 68 63 F7 A9 58 20 63 F7 20 FC F6 A0 10 20 B5 F7 68
C9 78 D0 09 AD 59 90 AE 5A 90 20 69 FD 4C 13 FA C9 78 D0 09 AD 59 92 AE 5A 92 20 69 FD 4C 13 FA
4C F5 F7 AD 59 90 AE 5A 90 20 53 FD 8D 5B 90 8E 4C F5 F7 AD 59 92 AE 5A 92 20 53 FD 8D 5B 92 8E
5C 90 AD 40 90 0D 41 90 F0 15 AE 40 90 EC 5B 90 5C 92 AD 40 92 0D 41 92 F0 15 AE 40 92 EC 5B 92
AD 41 90 A8 ED 5C 90 B0 06 8E 5B 90 8C 5C 90 38 AD 41 92 A8 ED 5C 92 B0 06 8E 5B 92 8C 5C 92 38
AD 3E 90 ED 5B 90 AA AD 3F 90 ED 5C 90 B0 03 A9 AD 3E 92 ED 5B 92 AA AD 3F 92 ED 5C 92 B0 03 A9
00 AA 49 FF 8D 3F 90 8A 49 FF 8D 3E 90 AD 39 90 00 AA 49 FF 8D 3F 92 8A 49 FF 8D 3E 92 AD 39 92
D0 03 20 85 F7 20 90 F7 AD 39 90 F0 03 20 85 F7 D0 03 20 85 F7 20 90 F7 AD 39 92 F0 03 20 85 F7
4C F5 F7 A0 00 18 71 00 91 00 48 C8 8A 71 00 91 4C F5 F7 A0 00 18 71 00 91 00 48 C8 8A 71 00 91
00 AA 68 60 C8 48 18 98 65 00 85 00 90 02 E6 01 00 AA 68 60 C8 48 18 98 65 00 85 00 90 02 E6 01
68 60 A0 FF E0 80 B0 02 A0 00 84 02 84 03 60 E0 68 60 A0 FF E0 80 B0 02 A0 00 84 02 84 03 60 E0
00 D0 06 AA D0 03 A9 01 60 A2 00 8A 60 A0 00 F0 00 D0 06 AA D0 03 A9 01 60 A2 00 8A 60 A0 00 F0
07 A9 52 A2 F0 4C 05 90 60 A9 00 85 08 A9 F0 85 07 A9 52 A2 F0 4C 05 92 60 A9 00 85 08 A9 F0 85
09 A9 00 85 0A A9 90 85 0B A2 CD A9 FF 85 10 A0 09 A9 00 85 0A A9 92 85 0B A2 CD A9 FF 85 10 A0
00 E8 F0 0D B1 08 91 0A C8 D0 F6 E6 09 E6 0B D0 00 E8 F0 0D B1 08 91 0A C8 D0 F6 E6 09 E6 0B D0
F0 E6 10 D0 EF 60 8C 5D 90 88 88 98 18 65 00 85 F0 E6 10 D0 EF 60 8C 5D 92 88 88 98 18 65 00 85
08 A6 01 90 01 E8 86 09 A0 01 B1 08 AA 88 B1 08 08 A6 01 90 01 E8 86 09 A0 01 B1 08 AA 88 B1 08
20 11 FD A5 08 A6 09 20 D8 FD AC 5D 90 4C 85 FA 20 11 FD A5 08 A6 09 20 D8 FD AC 5D 92 4C 85 FA
85 08 86 09 20 75 F0 4C 1E FB 85 08 86 09 A0 00 85 08 86 09 20 75 F0 4C 1E FB 85 08 86 09 A0 00
B1 08 F0 0E C8 84 10 20 68 F0 A4 10 D0 F2 E6 09 B1 08 F0 0E C8 84 10 20 68 F0 A4 10 D0 F2 E6 09
D0 EE 60 E0 00 D0 15 4A AA BD A7 FE 90 05 4A 4A D0 EE 60 E0 00 D0 15 4A AA BD A7 FE 90 05 4A 4A
@@ -216,14 +216,14 @@ A2 01 60 85 0A 86 0B A2 00 A0 00 B1 0A F0 08 C8
D0 F9 E6 0B E8 D0 F4 98 60 85 08 86 09 85 0A 86 D0 F9 E6 0B E8 D0 F4 98 60 85 08 86 09 85 0A 86
0B A0 00 B1 08 F0 14 20 37 FB 29 02 F0 06 B1 08 0B A0 00 B1 08 F0 14 20 37 FB 29 02 F0 06 B1 08
69 20 91 08 C8 D0 EC E6 09 D0 E8 A5 0A A6 0B 60 69 20 91 08 C8 D0 EC E6 09 D0 E8 A5 0A A6 0B 60
20 8E FB 85 0A 86 0B E8 8E 31 90 AA E8 8E 30 90 20 8E FB 85 0A 86 0B E8 8E 31 92 AA E8 8E 30 92
20 E4 FC 20 8E FB 85 0C 86 0D A0 00 84 10 B1 0C 20 E4 FC 20 8E FB 85 0C 86 0D A0 00 84 10 B1 0C
18 65 0A 91 0C C8 B1 0C 65 0B 91 0C CE 30 90 F0 18 65 0A 91 0C C8 B1 0C 65 0B 91 0C CE 30 92 F0
11 A4 10 B1 08 C8 D0 02 E6 09 84 10 20 68 F0 4C 11 A4 10 B1 08 C8 D0 02 E6 09 84 10 20 68 F0 4C
BC FD CE 31 90 D0 EA 60 85 08 86 09 A9 00 8D 2A BC FD CE 31 92 D0 EA 60 85 08 86 09 A9 00 8D 2A
90 8D 2B 90 A0 01 B1 00 AA 88 B1 00 20 11 FD A0 92 8D 2B 92 A0 01 B1 00 AA 88 B1 00 20 11 FD A0
02 A9 2A 91 00 C8 A9 90 91 00 A5 08 A6 09 20 C2 02 A9 2A 91 00 C8 A9 92 91 00 A5 08 A6 09 20 C2
F7 AD 2A 90 AE 2B 90 60 A9 32 85 08 A9 90 85 09 F7 AD 2A 92 AE 2B 92 60 A9 32 85 08 A9 92 85 09
A9 00 A8 A2 00 F0 0A 91 08 C8 D0 FB E6 09 CA D0 A9 00 A8 A2 00 F0 0A 91 08 C8 D0 FB E6 09 CA D0
F6 C0 2C F0 05 91 08 C8 D0 F7 60 62 61 64 20 74 F6 C0 2C F0 05 91 08 C8 D0 F7 60 62 61 64 20 74
6F 6B 65 6E 3A 20 25 78 0D 0A 00 53 75 63 63 65 6F 6B 65 6E 3A 20 25 78 0D 0A 00 53 75 63 63 65

2
hw/efinix_fpga/super6502.xml
View File

@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<efx:project name="super6502" description="" last_change_date="Sat August 12 2023 18:23:26" location="/home/byron/Projects/super6502/hw/efinix_fpga" sw_version="2023.1.150" last_run_state="pass" last_run_tool="efx_pgm" last_run_flow="bitstream" config_result_in_sync="true" design_ood="sync" place_ood="sync" route_ood="sync" xmlns:efx="http://www.efinixinc.com/enf_proj" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.efinixinc.com/enf_proj enf_proj.xsd"> <efx:project name="super6502" description="" last_change_date="Tue August 15 2023 19:01:15" location="/home/byron/Projects/super6502/hw/efinix_fpga" sw_version="2023.1.150" last_run_state="pass" last_run_tool="efx_pgm" last_run_flow="bitstream" config_result_in_sync="true" design_ood="sync" place_ood="sync" route_ood="sync" xmlns:efx="http://www.efinixinc.com/enf_proj" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.efinixinc.com/enf_proj enf_proj.xsd">
<efx:device_info> <efx:device_info>
<efx:family name="Trion"/> <efx:family name="Trion"/>
<efx:device name="T20F256"/> <efx:device name="T20F256"/>

34
sw/bios/bootloader.s
View File

@@ -5,12 +5,18 @@
.feature string_escapes .feature string_escapes
.MACPACK generic .MACPACK generic
.MACPACK longbranch
_console_clear = $0 _console_clear = $0
_console_read_char = $2 _console_read_char = $2
_console_write_char = $4 _console_write_char = $4
_sd_readblock = $6 _sd_readblock = $6
sectors_per_cluster = $800D
reserved_sectors = $800E
fat_count = $8010
sectors_per_fat = $8024
buf = $8200 buf = $8200
addrh = $0000 addrh = $0000
addrl = $0000 addrl = $0000
@@ -34,15 +40,26 @@ _main:
ldx #>str ldx #>str
jsr _cputs jsr _cputs
; we need to read from data segment 0, that will be the first directory entry lda #<_addr
; that has sector offset $00ef_e000 ldx #>_addr
jsr pushax
lda #$00 lda fat_count
sta sreg cmp #$2
lda #$00 jne @fail
sta sreg+1 lda sectors_per_fat
lda #$f0 asl
ldx #$77 pha
lda sectors_per_fat + 1
rol
tax
pla
adc reserved_sectors
bcc @a
inx
@a: jsr pushax
stz sreg
stz sreg+1
jsr pusheax jsr pusheax
lda #<buf lda #<buf
ldx #>buf ldx #>buf
@@ -167,6 +184,7 @@ _boot2_str: .asciiz "BOOT2 BIN"
_fail: .asciiz "not bootloader\r\n" _fail: .asciiz "not bootloader\r\n"
_good: .asciiz "found bootloader!\r\n" _good: .asciiz "found bootloader!\r\n"
_cluster: .asciiz "cluster: %lx\r\n" _cluster: .asciiz "cluster: %lx\r\n"
_addr: .asciiz "addr: %x\r\n"
_end: _end:
.res (440+_start-_end) .res (440+_start-_end)

2
sw/bios/link.ld
View File

@@ -2,7 +2,7 @@ MEMORY
{ {
ZP: start = $0, size = $100, type = rw, define = yes; ZP: start = $0, size = $100, type = rw, define = yes;
KERNEL: start = $1000, size = $7000, type = rw, define = yes; KERNEL: start = $1000, size = $7000, type = rw, define = yes;
SDRAM: start = $9000, size = $5000, type = rw, define = yes; SDRAM: start = $9200, size = $4d00, type = rw, define = yes;
BOOTSECTOR: start = $8000, size = $200, type = rw, define = yes, file = "bootloader.bin"; BOOTSECTOR: start = $8000, size = $200, type = rw, define = yes, file = "bootloader.bin";
BOOTLOADER: start = $8200, size = $1000, type = rw, define = yes, file = "boot2.bin"; BOOTLOADER: start = $8200, size = $1000, type = rw, define = yes, file = "boot2.bin";
ROM: start = $F000, size = $1000, file = %O; ROM: start = $F000, size = $1000, file = %O;