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1/*
2 GLOBGLUE.h
3
4 Copyright (C) 2003 Bernd Schmidt, Philip Cummins, Paul C. Pratt
5
6 You can redistribute this file and/or modify it under the terms
7 of version 2 of the GNU General Public License as published by
8 the Free Software Foundation. You should have received a copy
9 of the license along with this file; see the file COPYING.
10
11 This file is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 license for more details.
15*/
16
17#ifdef GLOBGLUE_H
18#error "header already included"
19#else
20#define GLOBGLUE_H
21#endif
22
23
24#define kEmMd_Twig43 0
25#define kEmMd_Twiggy 1
26#define kEmMd_128K 2
27#define kEmMd_512Ke 3
28#define kEmMd_Plus 4
29#define kEmMd_SE 5
30#define kEmMd_SEFDHD 6
31#define kEmMd_Classic 7
32#define kEmMd_PB100 8
33#define kEmMd_II 9
34#define kEmMd_IIx 10
35
36#define RAMSafetyMarginFudge 4
37
38#define kRAM_Size (kRAMa_Size + kRAMb_Size)
39EXPORTVAR(ui3p, RAM)
40 /*
41 allocated by OSGLUxxx to be at least
42 kRAM_Size + RAMSafetyMarginFudge
43 bytes. Because of shortcuts taken in GLOBGLUE.c, it is in theory
44 possible for the emulator to write up to 3 bytes past kRAM_Size.
45 */
46
47#if EmVidCard
48EXPORTVAR(ui3p, VidROM)
49#endif
50
51#if IncludeVidMem
52EXPORTVAR(ui3p, VidMem)
53#endif
54
55EXPORTPROC MemOverlay_ChangeNtfy(void);
56
57#if (CurEmMd == kEmMd_II) || (CurEmMd == kEmMd_IIx)
58EXPORTPROC Addr32_ChangeNtfy(void);
59#endif
60
61/*
62 representation of pointer into memory of emulated computer.
63*/
64typedef ui5b CPTR;
65
66/*
67 mapping of address space to real memory
68*/
69
70EXPORTFUNC ui3p get_real_address0(ui5b L, blnr WritableMem, CPTR addr,
71 ui5b *actL);
72
73/*
74 memory access routines that can use when have address
75 that is known to be in RAM (and that is in the first
76 copy of the ram, not the duplicates, i.e. < kRAM_Size).
77*/
78
79#ifndef ln2mtb
80
81#define get_ram_byte(addr) do_get_mem_byte((addr) + RAM)
82#define get_ram_word(addr) do_get_mem_word((addr) + RAM)
83#define get_ram_long(addr) do_get_mem_long((addr) + RAM)
84
85#define put_ram_byte(addr, b) do_put_mem_byte((addr) + RAM, (b))
86#define put_ram_word(addr, w) do_put_mem_word((addr) + RAM, (w))
87#define put_ram_long(addr, l) do_put_mem_long((addr) + RAM, (l))
88
89#else
90
91#define get_ram_byte get_vm_byte
92#define get_ram_word get_vm_word
93#define get_ram_long get_vm_long
94
95#define put_ram_byte put_vm_byte
96#define put_ram_word put_vm_word
97#define put_ram_long put_vm_long
98
99#endif
100
101#define get_ram_address(addr) ((addr) + RAM)
102
103/*
104 accessing addresses that don't map to
105 real memory, i.e. memory mapped devices
106*/
107
108EXPORTFUNC blnr AddrSpac_Init(void);
109
110
111#define ui5r_FromSByte(x) ((ui5r)(si5r)(si3b)(ui3b)(x))
112#define ui5r_FromSWord(x) ((ui5r)(si5r)(si4b)(ui4b)(x))
113#define ui5r_FromSLong(x) ((ui5r)(si5r)(si5b)(ui5b)(x))
114
115#define ui5r_FromUByte(x) ((ui5r)(ui3b)(x))
116#define ui5r_FromUWord(x) ((ui5r)(ui4b)(x))
117#define ui5r_FromULong(x) ((ui5r)(ui5b)(x))
118
119
120#if WantDisasm
121EXPORTPROC dbglog_StartLine(void);
122#else
123#define dbglog_StartLine()
124#endif
125
126#if dbglog_HAVE
127EXPORTPROC dbglog_WriteMemArrow(blnr WriteMem);
128
129EXPORTPROC dbglog_WriteNote(char *s);
130EXPORTPROC dbglog_WriteSetBool(char *s, blnr v);
131EXPORTPROC dbglog_AddrAccess(char *s,
132 ui5r Data, blnr WriteMem, ui5r addr);
133EXPORTPROC dbglog_Access(char *s, ui5r Data, blnr WriteMem);
134#endif
135
136#if ! WantAbnormalReports
137#define ReportAbnormalID(id, s)
138#else
139#if dbglog_HAVE
140#define ReportAbnormalID DoReportAbnormalID
141#else
142#define ReportAbnormalID(id, s) DoReportAbnormalID(id)
143#endif
144EXPORTPROC DoReportAbnormalID(ui4r id
145#if dbglog_HAVE
146 , char *s
147#endif
148 );
149#endif /* WantAbnormalReports */
150
151EXPORTPROC VIAorSCCinterruptChngNtfy(void);
152
153EXPORTVAR(blnr, InterruptButton)
154EXPORTPROC SetInterruptButton(blnr v);
155
156enum {
157 kICT_SubTick,
158#if EmClassicKbrd
159 kICT_Kybd_ReceiveCommand,
160 kICT_Kybd_ReceiveEndCommand,
161#endif
162#if EmADB
163 kICT_ADB_NewState,
164#endif
165#if EmPMU
166 kICT_PMU_Task,
167#endif
168#if EmVIA1
169 kICT_VIA1_Timer1Check,
170 kICT_VIA1_Timer2Check,
171#endif
172#if EmVIA2
173 kICT_VIA2_Timer1Check,
174 kICT_VIA2_Timer2Check,
175#endif
176
177 kNumICTs
178};
179
180EXPORTPROC ICT_add(int taskid, ui5b n);
181
182#define iCountt ui5b
183EXPORTFUNC iCountt GetCuriCount(void);
184EXPORTPROC ICT_Zap(void);
185
186EXPORTVAR(uimr, ICTactive)
187EXPORTVAR(iCountt, ICTwhen[kNumICTs])
188EXPORTVAR(iCountt, NextiCount)
189
190EXPORTVAR(ui3b, Wires[kNumWires])
191
192#define kLn2CycleScale 6
193#define kCycleScale (1 << kLn2CycleScale)
194
195#if WantCycByPriOp
196#define RdAvgXtraCyc /* 0 */ (kCycleScale + kCycleScale / 4)
197#define WrAvgXtraCyc /* 0 */ (kCycleScale + kCycleScale / 4)
198#endif
199
200#define kNumSubTicks 16
201
202
203#define HaveMasterMyEvtQLock EmClassicKbrd
204#if HaveMasterMyEvtQLock
205EXPORTVAR(ui4r, MasterMyEvtQLock)
206#endif
207EXPORTFUNC blnr FindKeyEvent(int *VirtualKey, blnr *KeyDown);
208
209
210/* minivmac extensions */
211
212#define ExtnDat_checkval 0
213#define ExtnDat_extension 2
214#define ExtnDat_commnd 4
215#define ExtnDat_result 6
216#define ExtnDat_params 8
217
218#define kCmndVersion 0
219#define ExtnDat_version 8
220
221enum {
222 kExtnFindExtn, /* must be first */
223
224 kExtnDisk,
225 kExtnSony,
226#if EmVidCard
227 kExtnVideo,
228#endif
229#if IncludeExtnPbufs
230 kExtnParamBuffers,
231#endif
232#if IncludeExtnHostTextClipExchange
233 kExtnHostTextClipExchange,
234#endif
235
236 kNumExtns
237};
238
239#define kcom_callcheck 0x5B17
240
241EXPORTVAR(ui5r, my_disk_icon_addr)
242
243EXPORTPROC Memory_Reset(void);
244
245EXPORTPROC Extn_Reset(void);
246
247EXPORTPROC customreset(void);
248
249struct ATTer {
250 struct ATTer *Next;
251 ui5r cmpmask;
252 ui5r cmpvalu;
253 ui5r Access;
254 ui5r usemask; /* Should be one less than a power of two. */
255 ui3p usebase;
256 ui3r MMDV;
257 ui3r Ntfy;
258 ui4r Pad0;
259 ui5r Pad1; /* make 32 byte structure, on 32 bit systems */
260};
261typedef struct ATTer ATTer;
262typedef ATTer *ATTep;
263
264#define kATTA_readreadybit 0
265#define kATTA_writereadybit 1
266#define kATTA_mmdvbit 2
267#define kATTA_ntfybit 3
268
269#define kATTA_readwritereadymask \
270 ((1 << kATTA_readreadybit) | (1 << kATTA_writereadybit))
271#define kATTA_readreadymask (1 << kATTA_readreadybit)
272#define kATTA_writereadymask (1 << kATTA_writereadybit)
273#define kATTA_mmdvmask (1 << kATTA_mmdvbit)
274#define kATTA_ntfymask (1 << kATTA_ntfybit)
275
276EXPORTFUNC ui5b MMDV_Access(ATTep p, ui5b Data,
277 blnr WriteMem, blnr ByteSize, CPTR addr);
278EXPORTFUNC blnr MemAccessNtfy(ATTep pT);