bslathi19/super6502
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Find bootloader in FAT

Browse Source
This commit is contained in:
Byron Lathi
2023-08-12 19:03:24 -07:00
parent fd9389268a
commit 053b0d7e3e
6 changed files with 111 additions and 126 deletions
Download Patch File Download Diff File Expand all files Collapse all files

98
hw/efinix_fpga/init_hex.mem
View File

@@ -1,9 +1,9 @@
@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 90 8E 14 90 8D 1A 90 8E 1B
90 88 B9 FF FF 8D 24 90 88 B9 FF FF 8D 23 90 8C 90 88 B9 FF FF 8D 24 90 88 B9 FF FF 8D 23 90 8C
26 90 20 FF FF A0 FF D0 E8 60 00 00 6F FD 00 00 26 90 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 E7 00 00 A2 FF 9A D8 A9 00 85 00 A9 E0 85 01 20 08
FD 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 90 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
@@ -38,32 +38,32 @@ F2 68 60 A9 01 8D DB EF 60 9C DB EF 60 A9 00 8D
DA EF AD DB EF 30 FB AD D9 EF 60 8D E6 EF 60 48 DA EF AD DB EF 30 FB AD D9 EF 60 8D E6 EF 60 48
8D E6 EF AD E7 EF 89 02 D0 F9 68 60 AD E6 EF A2 8D E6 EF AD E7 EF 89 02 D0 F9 68 60 AD E6 EF A2
00 60 AD E7 EF A2 00 60 60 20 74 FB A2 00 86 02 00 60 AD E7 EF A2 00 60 60 20 74 FB A2 00 86 02
86 03 A9 00 20 0B FC 20 5A FB A9 2C 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 24 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 1A 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 90 AE 01 90 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 90 AE 01 90 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 24 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 0A 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 90 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
4C 71 F3 A9 4E A2 FE 20 1A FB A2 00 A9 01 4C A8 4C 71 F3 A9 6F A2 FE 20 1A FB A2 00 A9 01 4C A8
F4 20 AC F4 A0 01 91 00 C9 01 20 B8 FC D0 C9 A2 F4 20 AC F4 A0 01 91 00 C9 01 20 B8 FC D0 C9 A2
00 A9 00 A0 06 20 29 FD A0 07 20 BE FB E0 03 D0 00 A9 00 A0 06 20 29 FD A0 07 20 BE FB E0 03 D0
02 C9 E8 20 D7 FC F0 03 4C 9E F3 4C AA F3 A0 06 02 C9 E8 20 D7 FC F0 03 4C 9E F3 4C AA F3 A0 06
A2 00 A9 01 20 75 FA 4C 88 F3 A9 01 20 D8 FB 20 A2 00 A9 01 20 75 FA 4C 88 F3 A9 01 20 D8 FB 20
C9 F4 A0 01 A2 00 B1 00 C9 01 20 B8 FC D0 03 4C C9 F4 A0 01 A2 00 B1 00 C9 01 20 B8 FC D0 03 4C
D0 F3 A9 44 A2 FE 20 1A FB A2 00 A9 01 4C A8 F4 D0 F3 A9 65 A2 FE 20 1A FB A2 00 A9 01 4C A8 F4
A0 05 A2 00 B1 00 C9 AA 20 B8 FC D0 03 4C E7 F3 A0 05 A2 00 B1 00 C9 AA 20 B8 FC D0 03 4C E7 F3
A2 00 A9 01 4C A8 F4 A2 00 A9 00 A0 00 91 00 A0 A2 00 A9 01 4C A8 F4 A2 00 A9 00 A0 00 91 00 A0
00 A2 00 B1 00 C9 FF 20 BE FC D0 03 4C 0D F4 A9 00 A2 00 B1 00 C9 FF 20 BE FC D0 03 4C 0D F4 A9
34 A2 FE 20 1A FB A2 00 A9 01 4C A8 F4 20 EB F5 55 A2 FE 20 1A FB A2 00 A9 01 4C A8 F4 20 EB F5
A0 01 91 00 A0 01 A2 00 B1 00 C9 02 20 D7 FC D0 A0 01 91 00 A0 01 A2 00 B1 00 C9 02 20 D7 FC D0
03 4C 2B F4 20 08 F6 A0 01 91 00 A2 00 A9 00 A0 03 4C 2B F4 20 08 F6 A0 01 91 00 A2 00 A9 00 A0
06 20 29 FD A0 07 20 BE FB E0 03 D0 02 C9 E8 20 06 20 29 FD A0 07 20 BE FB E0 03 D0 02 C9 E8 20
@@ -101,13 +101,13 @@ FB FC A2 00 86 02 86 03 A9 00 20 0B FC A2 00 A9
00 B1 00 4C 36 F6 A0 0E 20 85 FA 60 20 11 FD A9 00 B1 00 4C 36 F6 A0 0E 20 85 FA 60 20 11 FD A9
00 20 FB FC 20 5A FB A2 00 A9 00 A0 00 20 29 FD 00 20 FB FC 20 5A FB A2 00 A9 00 A0 00 20 29 FD
A0 01 20 BE FB E0 02 20 D7 FC F0 03 4C 62 F6 4C A0 01 20 BE FB E0 02 20 D7 FC F0 03 4C 62 F6 4C
C4 F6 A9 58 A2 FE 20 11 FD A0 06 20 BE FB A0 00 C4 F6 A9 79 A2 FE 20 11 FD A0 06 20 BE FB A0 00
20 B3 FB 20 11 FD A0 07 A2 00 A9 01 20 75 FA A0 20 B3 FB 20 11 FD A0 07 A2 00 A9 01 20 75 FA A0
04 20 E6 FA A0 02 A2 00 B1 00 C9 1F 20 BE FC D0 04 20 E6 FA A0 02 A2 00 B1 00 C9 1F 20 BE FC D0
03 4C A6 F6 A9 5C A2 FE 20 1A FB A2 00 A9 00 A0 03 4C A6 F6 A9 7D A2 FE 20 1A FB A2 00 A9 00 A0
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 5C 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 90 8D 38 90
20 7B F7 A9 38 A2 90 20 11 FD 20 F2 FC 4C 02 90 20 7B F7 A9 38 A2 90 20 11 FD 20 F2 FC 4C 02 90
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 90 D0
@@ -159,8 +159,8 @@ C9 73 D0 0C 20 19 F7 8D 59 90 8E 5A 90 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 90 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 48 FD 4C 13 FA C9 78 D0 09 AD 59 90 AE 5A 90 20 69 FD 4C 13 FA
4C F5 F7 AD 59 90 AE 5A 90 20 32 FD 8D 5B 90 8E 4C F5 F7 AD 59 90 AE 5A 90 20 53 FD 8D 5B 90 8E
5C 90 AD 40 90 0D 41 90 F0 15 AE 40 90 EC 5B 90 5C 90 AD 40 90 0D 41 90 F0 15 AE 40 90 EC 5B 90
AD 41 90 A8 ED 5C 90 B0 06 8E 5B 90 8C 5C 90 38 AD 41 90 A8 ED 5C 90 B0 06 8E 5B 90 8C 5C 90 38
AD 3E 90 ED 5B 90 AA AD 3F 90 ED 5C 90 B0 03 A9 AD 3E 90 ED 5B 90 AA AD 3F 90 ED 5C 90 B0 03 A9
@@ -175,11 +175,11 @@ D0 03 20 85 F7 20 90 F7 AD 39 90 F0 03 20 85 F7
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 90 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 B7 FD AC 5D 90 4C 85 FA 20 11 FD A5 08 A6 09 20 D8 FD AC 5D 90 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 86 FE 90 05 4A 4A D0 EE 60 E0 00 D0 15 4A AA BD A7 FE 90 05 4A 4A
4A 4A 18 29 0F AA BD 7B FE A2 00 60 38 A9 00 AA 4A 4A 18 29 0F AA BD 9C FE A2 00 60 38 A9 00 AA
60 A4 00 D0 02 C6 01 C6 00 60 A5 00 38 E9 02 85 60 A4 00 D0 02 C6 01 C6 00 60 A5 00 38 E9 02 85
00 90 01 60 C6 01 60 A5 00 38 E9 04 85 00 90 01 00 90 01 60 C6 01 60 A5 00 38 E9 04 85 00 90 01
60 C6 01 60 A5 00 38 E9 06 85 00 90 01 60 C6 01 60 C6 01 60 A5 00 38 E9 06 85 00 90 01 60 C6 01
@@ -196,11 +196,11 @@ A5 02 49 FF 69 00 85 02 A5 03 49 FF 69 00 85 03
91 00 60 85 10 20 8E FB 85 0A 86 0B 85 0C 86 0D 91 00 60 85 10 20 8E FB 85 0A 86 0B 85 0C 86 0D
20 E4 FC 20 8E FB 85 02 86 03 60 20 23 FC A6 03 20 E4 FC 20 8E FB 85 02 86 03 60 20 23 FC A6 03
A4 10 C0 0A D0 39 A5 02 05 09 05 08 D0 11 E0 80 A4 10 C0 0A D0 39 A5 02 05 09 05 08 D0 11 E0 80
D0 0D A0 0B B9 6F FE 91 0A 88 10 F8 4C B3 FC 8A D0 0D A0 0B B9 90 FE 91 0A 88 10 F8 4C B3 FC 8A
10 1D A9 2D A0 00 91 0A E6 0A D0 02 E6 0B A5 08 10 1D A9 2D A0 00 91 0A E6 0A D0 02 E6 0B A5 08
A6 09 20 E4 FB 85 08 86 09 4C 7F FC 20 23 FC A9 A6 09 20 E4 FB 85 08 86 09 4C 7F FC 20 23 FC A9
00 48 A0 20 A9 00 06 08 26 09 26 02 26 03 2A C5 00 48 A0 20 A9 00 06 08 26 09 26 02 26 03 2A C5
10 90 04 E5 10 E6 08 88 D0 EC A8 B9 5F FE 48 A5 10 90 04 E5 10 E6 08 88 D0 EC A8 B9 80 FE 48 A5
08 05 09 05 02 05 03 D0 D9 A0 00 68 91 0A F0 03 08 05 09 05 02 05 03 D0 D9 A0 00 68 91 0A F0 03
C8 D0 F8 A5 0C A6 0D 60 D0 06 A2 00 8A 60 D0 FA C8 D0 F8 A5 0C A6 0D 60 D0 06 A2 00 8A 60 D0 FA
A2 00 A9 01 60 F0 F9 30 F7 A2 00 8A 60 F0 02 10 A2 00 A9 01 60 F0 F9 30 F7 A2 00 8A 60 F0 02 10
@@ -210,34 +210,34 @@ EF A2 00 8A 60 F0 E9 90 E7 A2 00 8A 60 F0 DB A2
00 A0 00 91 00 60 C6 01 C6 00 91 00 60 A9 00 A2 00 A0 00 91 00 60 C6 01 C6 00 91 00 60 A9 00 A2
00 48 A5 00 38 E9 02 85 00 B0 02 C6 01 A0 01 8A 00 48 A5 00 38 E9 02 85 00 B0 02 C6 01 A0 01 8A
91 00 68 88 91 00 60 A0 00 91 00 C8 48 8A 91 00 91 00 68 88 91 00 60 A0 00 91 00 C8 48 8A 91 00
68 60 85 0A 86 0B A2 00 A0 00 B1 0A F0 08 C8 D0 68 60 85 0A 86 0B 20 E4 FC B1 08 D1 0A D0 0C AA
F9 E6 0B E8 D0 F4 98 60 85 08 86 09 85 0A 86 0B F0 10 C8 D0 F4 E6 09 E6 0B D0 EE B0 03 A2 FF 60
A0 00 B1 08 F0 14 20 37 FB 29 02 F0 06 B1 08 69 A2 01 60 85 0A 86 0B A2 00 A0 00 B1 0A F0 08 C8
20 91 08 C8 D0 EC E6 09 D0 E8 A5 0A A6 0B 60 20 D0 F9 E6 0B E8 D0 F4 98 60 85 08 86 09 85 0A 86
8E FB 85 0A 86 0B E8 8E 31 90 AA E8 8E 30 90 20 0B A0 00 B1 08 F0 14 20 37 FB 29 02 F0 06 B1 08
E4 FC 20 8E FB 85 0C 86 0D A0 00 84 10 B1 0C 18 69 20 91 08 C8 D0 EC E6 09 D0 E8 A5 0A A6 0B 60
65 0A 91 0C C8 B1 0C 65 0B 91 0C CE 30 90 F0 11 20 8E FB 85 0A 86 0B E8 8E 31 90 AA E8 8E 30 90
A4 10 B1 08 C8 D0 02 E6 09 84 10 20 68 F0 4C 9B 20 E4 FC 20 8E FB 85 0C 86 0D A0 00 84 10 B1 0C
FD CE 31 90 D0 EA 60 85 08 86 09 A9 00 8D 2A 90 18 65 0A 91 0C C8 B1 0C 65 0B 91 0C CE 30 90 F0
8D 2B 90 A0 01 B1 00 AA 88 B1 00 20 11 FD A0 02 11 A4 10 B1 08 C8 D0 02 E6 09 84 10 20 68 F0 4C
A9 2A 91 00 C8 A9 90 91 00 A5 08 A6 09 20 C2 F7 BC FD CE 31 90 D0 EA 60 85 08 86 09 A9 00 8D 2A
AD 2A 90 AE 2B 90 60 A9 32 85 08 A9 90 85 09 A9 90 8D 2B 90 A0 01 B1 00 AA 88 B1 00 20 11 FD A0
00 A8 A2 00 F0 0A 91 08 C8 D0 FB E6 09 CA D0 F6 02 A9 2A 91 00 C8 A9 90 91 00 A5 08 A6 09 20 C2
C0 2C F0 05 91 08 C8 D0 F7 60 62 61 64 20 74 6F F7 AD 2A 90 AE 2B 90 60 A9 32 85 08 A9 90 85 09
6B 65 6E 3A 20 25 78 0D 0A 00 53 75 63 63 65 73 A9 00 A8 A2 00 F0 0A 91 08 C8 D0 FB E6 09 CA D0
73 0D 0A 00 45 72 72 6F 72 0D 0A 00 53 74 61 72 F6 C0 2C F0 05 91 08 C8 D0 F7 60 62 61 64 20 74
74 0D 0A 00 6F 70 5F 63 6F 6E 64 20 65 72 72 6F 6F 6B 65 6E 3A 20 25 78 0D 0A 00 53 75 63 63 65
72 0D 0A 00 49 46 20 43 6F 6E 64 0D 0A 00 47 6F 73 73 0D 0A 00 45 72 72 6F 72 0D 0A 00 53 74 61
20 49 44 4C 45 0D 0A 00 25 32 78 00 0D 0A 00 30 72 74 0D 0A 00 6F 70 5F 63 6F 6E 64 20 65 72 72
31 32 33 34 35 36 37 38 39 41 42 43 44 45 46 2D 6F 72 0D 0A 00 49 46 20 43 6F 6E 64 0D 0A 00 47
32 31 34 37 34 38 33 36 34 38 00 00 01 02 0C 09 6F 20 49 44 4C 45 0D 0A 00 25 32 78 00 0D 0A 00
0A 10 40 50 A0 D0 66 66 66 66 A6 88 88 66 66 66 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46
66 66 66 66 66 66 09 00 00 00 00 00 00 00 33 33 2D 32 31 34 37 34 38 33 36 34 38 00 00 01 02 0C
33 33 33 00 00 00 50 55 55 25 22 22 22 22 22 22 09 0A 10 40 50 A0 D0 66 66 66 66 A6 88 88 66 66
22 22 22 02 00 00 40 44 44 14 11 11 11 11 11 11 66 66 66 66 66 66 66 09 00 00 00 00 00 00 00 33
11 11 11 01 00 70 00 00 00 00 00 00 00 00 00 00 33 33 33 33 00 00 00 50 55 55 25 22 22 22 22 22
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 22 22 22 22 02 00 00 40 44 44 14 11 11 11 11 11
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 11 11 11 11 01 00 70 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

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 16:08:22" 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="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:device_info> <efx:device_info>
<efx:family name="Trion"/> <efx:family name="Trion"/>
<efx:device name="T20F256"/> <efx:device name="T20F256"/>

2
sw/bios/Makefile
View File

@@ -21,7 +21,7 @@ all: $(HEX)
$(HEX): $(BIN) $(HEX): $(BIN)
objcopy --input-target=binary --output-target=verilog $(BIN) $(HEX) objcopy --input-target=binary --output-target=verilog $(BIN) $(HEX)
diff $(HEX) $(FPGA_IMG) cmp $(HEX) $(FPGA_IMG)
$(BIN): $(OBJS) $(BIN): $(OBJS)

127
sw/bios/bootloader.s
View File

@@ -34,70 +34,6 @@ _main:
ldx #>str ldx #>str
jsr _cputs jsr _cputs
lda #<_fat_count
ldx #>_fat_count
jsr pushax
lda $8010
ldx #$0
jsr pushax
ldy #$04
jsr _cprintf
; this is offset from bpb?
lda #<_fat_sectors
ldx #>_fat_sectors
jsr pushax
lda $8026
sta sreg
ldx $8027
stx sreg + 1
lda $8024
ldx $8025
jsr pusheax
ldy #$06
jsr _cprintf
lda #<_reserved_sect
ldx #>_reserved_sect
jsr pushax
lda $800E
pha
ldx $800F
jsr pushax
ldy #$04
jsr _cprintf
lda #<addrh
sta sreg
lda #>addrh
sta sreg + 1
pla
clc
adc #<addrl
ldx #>addrl
jsr pusheax
lda #<buf
ldx #>buf
jsr pushax
lda #<ptr1
ldx #>ptr1
jsr _SD_readSingleBlock
lda #<buf
ldx #>buf
jsr _SD_printBuf
lda #<rd_word
ldx #>rd_word
jsr pushax
lda buf
ldx #$00
jsr pushax
ldy #$4
jsr _cprintf
; we need to read from data segment 0, that will be the first directory entry ; we need to read from data segment 0, that will be the first directory entry
; that has sector offset $00ef_e000 ; that has sector offset $00ef_e000
@@ -120,16 +56,63 @@ _main:
jsr _SD_printBuf jsr _SD_printBuf
lda #$20
sta ptr2
lda #$82
sta ptr2 + 1
ldy #$0b
@1: lda (ptr2),y
cmp #$0f
bne @2
clc
lda ptr2
adc #$20
sta ptr2
bra @1
@2: lda #$00
sta (ptr2),y
lda #<entry
ldx #>entry
jsr _cputs
lda #<name
ldx #>name
jsr pushax
clc
tya
adc ptr2
pha
ldx ptr2 + 1
phx
jsr pushax
ldy #$4
jsr _cprintf
lda #<_boot2_str
ldx #>_boot2_str
jsr pushax
plx
pla
jsr _strcmp
bne @fail
lda #<_good
ldx #>_good
jsr _cputs
bra @end
@fail: lda #<_fail
ldx #>_fail
jsr _cputs
@end: bra @end @end: bra @end
_reserved_sect: str: .asciiz "boot\r\n"
.asciiz "Reserved Sectors: %x\r\n" lfn: .asciiz "Found LFN\r\n"
_fat_sectors: entry: .asciiz "Found valid entry\r\n"
.asciiz "Sectors per fat: %lx\r\n" name: .asciiz "entry name: %s\r\n"
_fat_count: _boot2_str: .asciiz "BOOT2 BIN"
.asciiz "Fat Count: %x\r\n" _fail: .asciiz "not bootloader\r\n"
str: .asciiz "Hello from the bootloader!\r\n" _good: .asciiz "found bootloader!\r\n"
rd_word: .asciiz "Read: %x\r\n"
_end: _end:
.res (440+_start-_end) .res (440+_start-_end)

6
sw/bios/link.ld
View File

@@ -3,7 +3,8 @@ 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 = $9000, size = $5000, type = rw, define = yes;
BOOTLOADER: start = $8000, size = $1000, 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";
ROM: start = $F000, size = $1000, file = %O; ROM: start = $F000, size = $1000, file = %O;
} }
@@ -17,7 +18,8 @@ SEGMENTS {
CODE: load = ROM, type = ro; CODE: load = ROM, type = ro;
RODATA: load = ROM, type = ro; RODATA: load = ROM, type = ro;
VECTORS: load = ROM, type = ro, start = $FFFA; VECTORS: load = ROM, type = ro, start = $FFFA;
BOOTSECTOR: load = BOOTLOADER, type = rw, start = $8000; BOOTSECTOR: load = BOOTSECTOR, type = rw, start = $8000;
BOOTLOADER: load = BOOTLOADER, type = rw;
} }
FEATURES { FEATURES {

2
sw/script/format_disk.sh
View File

@@ -10,7 +10,7 @@ V=-v
STATUS= STATUS=
echo "$(tput bold setaf 11)Creating Filesystem$(tput sgr 0)" echo "$(tput bold setaf 11)Creating Filesystem$(tput sgr 0)"
sudo mkfs.vfat -F32 $DEVICE -n SUPER6502 $V sudo mkfs.vfat -I -F32 $DEVICE -n SUPER6502 $V
echo echo
echo "$(tput bold setaf 11)Modifying Boot Sector$(tput sgr 0)" echo "$(tput bold setaf 11)Modifying Boot Sector$(tput sgr 0)"