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testpico: check busy after dma
[megadrive.git] / idc / mida.idc
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1//\r
2// IDC File to disassemble Sega Genesis/Megadrive rom\r
3// by Kaneda\r
4//\r
5// Useage:\r
6// launch IDA with "idag -a -p68000 -Smida.idc"\r
7// Select your .bin file\r
8// Press OK to the 2 dialog boxes following\r
9//\r
10// 0.1 (12 Nov 2004 ): Initial release\r
11// 0.2 (01 Jun 2005 ): Support for start adress <0x200 (skip header)\r
12//\r
13// Update on http://www.consoledev.fr.st\r
14//\r
15\r
16#include <idc.idc>\r
17\r
18//-------------------------------------------------------------------------\r
19static CW(off,name,cmt) {\r
20 auto x;\r
21 x = off;\r
22 MakeWord(x);\r
23 MakeName(x,name);\r
24 MakeRptCmt(x,cmt);\r
25}\r
26\r
27//-------------------------------------------------------------------------\r
28static CD(off,name,cmt) {\r
29 auto x;\r
30 x = off;\r
31 MakeDword(x);\r
32 MakeName(x,name);\r
33 MakeRptCmt(x,cmt);\r
34}\r
35\r
36//-------------------------------------------------------------------------\r
37static CB(off,name,cmt) {\r
38 auto x;\r
39 x = off;\r
40 MakeByte(x);\r
41 MakeName(x,name);\r
42 MakeRptCmt(x,cmt);\r
43}\r
44\r
45static CS(off,end,name,cmt) {\r
46 auto x;\r
47 x = off;\r
48 MakeStr(x, end);\r
49 MakeName(x,name);\r
50 MakeRptCmt(x,cmt);\r
51}\r
52\r
53static mdVector( ) {\r
54auto i, addr;\r
55\r
56CD(0x00, "initStack", "Initial Stack");\r
57CD(0x04, "startAddress", "Start Address");\r
58CD(0x08, "", "Bus Error");\r
59CD(0x0C, "", "Address Error");\r
60CD(0x10, "", "Illegal instruction");\r
61CD(0x14, "", "Zero Divide");\r
62CD(0x18, "", "CHK instruction");\r
63CD(0x1C, "", "TRAPV instruction");\r
64CD(0x20, "", "Privilege Violation");\r
65CD(0x24, "", "Trace");\r
66CD(0x28, "", "Line 1010 Emulator");\r
67CD(0x2C, "", "Line 1111 Emulator");\r
68CD(0x30, "", "Reserved");\r
69CD(0x34, "", "Reserved");\r
70CD(0x38, "", "Reserved");\r
71CD(0x3C, "", "Unitialized Interrrupt");\r
72CD(0x40, "", "Reserved");\r
73CD(0x44, "", "Reserved");\r
74CD(0x48, "", "Reserved");\r
75CD(0x4C, "", "Reserved");\r
76CD(0x50, "", "Reserved");\r
77CD(0x54, "", "Reserved");\r
78CD(0x58, "", "Reserved");\r
79CD(0x5C, "", "Reserved");\r
80CD(0x60, "", "Spurious Interrupt");\r
81CD(0x64, "", "Level 1 interrupt");\r
82CD(0x68, "", "Level 2/External interrupt");\r
83CD(0x6C, "", "Level 3 interrupt");\r
84CD(0x70, "", "Level 4/Horizontal interrupt");\r
85CD(0x74, "", "Level 5 interrupt");\r
86CD(0x78, "", "Level 6/Vertical interrupt");\r
87CD(0x7C,"", "Level 7 interrupt");\r
88\r
89i=0x80;\r
90while (i <= 0xBC){\r
91 CD(i,"", "Trap");\r
92 i = i+1;\r
93}\r
94\r
95i=0xC0;\r
96while (i <= 0xFF){\r
97 CD(i,"", "Reserved");\r
98 i = i+1;\r
99 }\r
100\r
101for ( i=0x08; i< 0x200; i=i+4 ) {\r
102 addr = Dword( i );\r
103 MakeCode(addr);\r
104 }\r
105}\r
106\r
107static mdHeader( ) {\r
108auto addr;\r
109\r
110addr = Dword( 0x04 );\r
111if (addr < 0x200)\r
112{\r
113 Warning("Start address unusual");\r
114 return;\r
115}\r
116CS(0x100,0x110,"","");\r
117 CS(0x110,0x120,"","");\r
118 CS(0x120,0x130,"","");\r
119 CS(0x130,0x140,"","");\r
120 CS(0x140,0x150,"","");\r
121 CS(0x150,0x160,"","");\r
122 CS(0x160,0x170,"","");\r
123 CS(0x170,0x180,"","");\r
124 CS(0x180,0x18D,"","Serial Number");\r
125 CW(0x18E, "CheckSum","");\r
126 CS(0x190,0x1A0,"","");\r
127 CD(0x1A0, "RomStartAdr", "Rom Start Adress");\r
128 CD(0x1A4, "RomEndAdr", "Rom End Adress");\r
129 CD(0x1A8, "RamStartAdr", "Ram Start Adress");\r
130 CD(0x1AC, "RamEndAdr", "Ram End Adress");\r
131 CS(0x1B0, 0x1BC, "", "SRam data");\r
132 CS(0x1BC, 0x1C8, "", "Modem data");\r
133 CS(0x1C8, 0x1DC, "", "Memo");\r
134 CS(0x1DC, 0x1F0, "", "");\r
135 CS(0x1F0, 0x200, "Country", "Countries codes");\r
136 }\r
137 \r
138static mdAddress( ){\r
139 CD(0xC00000, "VDP_Data","");\r
140 CD(0xC00004, "VDP_Control",""); \r
141 CD(0xC00008, "HV_Counter",""); \r
142 CB(0xC00011, "PSG",""); \r
143\r
144 CW(0xA10001, "HW_Info","7-MODE (R) 0: Domestic Model\n"\r
145 " 1: Overseas Model\n"\r
146 "6-VMOD (R) 0: NTSC CPU clock 7.67 MHz\n"\r
147 " 1: PAL CPU clock 7.60 MHz\n"\r
148 "5-DISK (R) 0: FDD unit connected\n"\r
149 " 1: FDD unit not connected\n"\r
150 "4-RSV (R) Currently not used\n"\r
151 "3-0 VER (R) MEGA DRIVE version ($0 to $F)");\r
152\r
153 CW(0xA10003,"DATA1", "PD7 (RW)\n"\r
154 "PD6 (RW) TH\n"\r
155 "PD5 (RW) TR\n"\r
156 "PD4 (RW) TL\n"\r
157 "PD3 (RW) RIGHT\n"\r
158 "PD2 (RW) LEFT\n"\r
159 "PD1 (RW) DOWN\n"\r
160 "PDO (RW) UP\n" );\r
161 CW(0xA10005,"DATA2","");\r
162 CW(0xA10007,"DATA3","");\r
163 CW(0xA10009,"CTRL1", "INT (RW) 0: TH-INT PROHIBITED\n"\r
164 " 1: TH-INT ALLOWED\n"\r
165 "PC6 (RW) 0: PD6 INPUT MODE\n"\r
166 " 1: OUTPUT MODE\n"\r
167 "PC5 (RW) 0: PD5 INPUT MODE\n"\r
168 " 1: OUTPUT MODE\n"\r
169 "PC4 (RW) 0: PD4 INPUT MODE\n"\r
170 " 1: OUTPUT MODE\n"\r
171 "PC3 (RW) 0: PD3 INPUT MODE\n"\r
172 " 1: OUTPUT MODE\n"\r
173 "PC2 (RW) 0: PD2 INPUT MODE\n"\r
174 " 1: OUTPUT MODE\n"\r
175 "PC1 (RW) 0: PD1 INPUT MODE\n"\r
176 " 1: OUTPUT MODE\n"\r
177 "PCO (RW) 0: PDO INPUT MODE\n"\r
178 " 1: OUTPUT MODE");\r
179 CW(0xA1000B,"CTRL2","");\r
180 CW(0xA1000D,"CTRL3","");\r
181 CW(0xA1000F,"TxDATA1","");\r
182 CW(0xA10011,"RxDATA1","");\r
183 CW(0xA10013,"SCTRL1","");\r
184 CW(0xA10015,"TxDATA2","");\r
185 CW(0xA10017,"RxDATA2","");\r
186 CW(0xA10019,"SCTRL2","");\r
187 CW(0xA1001B,"TxDATA3","");\r
188 CW(0xA1001D,"RxDATA3","");\r
189 CW(0xA1001F,"SCTRL3","");\r
190\r
191 CW(0xA11000,"MemMode", "D8 ( W) 0: ROM MODE\n"\r
192 " 1: D-RAM MODE");\r
193 \r
194 CW(0xA11100,"Z80BusReq","D8 ( W) 0: BUSREQ CANCEL\n"\r
195 " 1: BUSREQ REQUEST\n"\r
196 " ( R) 0: CPU FUNCTION STOP ACCESSIBLE\n"\r
197 " 1: FUNCTIONING");\r
198 CW(0xA11200,"Z80BusReset","D8 ( W) 0: RESET REQUEST\n"\r
199 " 1: RESET CANCEL"); \r
200}\r
201 \r
202//-------------------------------------------------------------------------\r
203static main() {\r
204 auto addr;\r
205 \r
206 SetPrcsr( "68000");\r
207\r
208 SegCreate(0x000000,0x3FFFFF,0,1,0,2);\r
209 SegRename(0x000000,"ROM");\r
210\r
211 SegCreate(0xA00000,0xA0FFFF,0,1,0,2);\r
212 SegRename(0xA00000,"Z80");\r
213\r
214 SegCreate(0xA10000,0xA10FFF,0,1,0,2);\r
215 SegRename(0xA10000,"IO");\r
216\r
217 SegCreate(0xA11000,0xA11FFF,0,1,0,2);\r
218 SegRename(0xA11000,"Control");\r
219\r
220 SegCreate(0xC00000,0xDFFFFF,0,1,0,2);\r
221 SegRename(0xC00000,"VDP");\r
222\r
223 SegCreate(0xFF0000,0xFFFFFF,0,1,0,2);\r
224 SegRename(0xFF0000,"RAM");\r
225 \r
226 mdVector( );\r
227 mdHeader( );\r
228 mdAddress( );\r
229 \r
230 addr = Dword( 0x04 );\r
231 MakeName(addr,"main");\r
232 //MakeCode(addr);\r
233 MakeFunction(addr,BADADDR);\r
234 Wait( );\r
235 \r
236 addr = Dword( 0x68 );\r
237 MakeName(addr,"EInt");\r
238 //MakeCode(addr);\r
239 MakeFunction(addr,BADADDR);\r
240 Wait( ); \r
241 \r
242 addr = Dword( 0x70 );\r
243 MakeName(addr,"HInt");\r
244 //MakeCode(addr);\r
245 MakeFunction(addr,BADADDR);\r
246 Wait( ); \r
247\r
248 addr = Dword( 0x78 );\r
249 MakeName(addr,"VInt");\r
250 //MakeCode(addr);\r
251 MakeFunction(addr,BADADDR);\r
252 Wait( ); \r
253}\r
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