2 EPSON HC-40 Emulator 'eHC-40'
4 Author : Takeda.Toshiya
12 #define SET_BANK(s, e, w, r) { \
13 int sb = (s) >> 13, eb = (e) >> 13; \
14 for(int i = sb; i <= eb; i++) { \
18 wbank[i] = (w) + 0x2000 * (i - sb); \
23 rbank[i] = (r) + 0x2000 * (i - sb); \
28 void MEMORY::initialize()
31 memset(ram, 0, sizeof(ram));
32 memset(sys, 0xff, sizeof(sys));
33 memset(basic, 0xff, sizeof(basic));
34 memset(util, 0xff, sizeof(util));
35 memset(rdmy, 0xff, sizeof(rdmy));
37 // load backuped ram / rom images
38 FILEIO* fio = new FILEIO();
39 if(fio->Fopen(create_local_path(_T("DRAM.BIN")), FILEIO_READ_BINARY)) {
40 fio->Fread(ram, sizeof(ram), 1);
43 if(fio->Fopen(create_local_path(_T("SYS.ROM")), FILEIO_READ_BINARY)) {
44 fio->Fread(sys, sizeof(sys), 1);
47 if(fio->Fopen(create_local_path(_T("BASIC.ROM")), FILEIO_READ_BINARY)) {
48 fio->Fread(basic, sizeof(basic), 1);
51 if(fio->Fopen(create_local_path(_T("UTIL.ROM")), FILEIO_READ_BINARY)) {
52 fio->Fread(util, sizeof(util), 1);
58 void MEMORY::release()
60 // save battery backuped ram
61 FILEIO* fio = new FILEIO();
62 if(fio->Fopen(create_local_path(_T("DRAM.BIN")), FILEIO_WRITE_BINARY)) {
63 fio->Fwrite(ram, sizeof(ram), 1);
74 void MEMORY::write_data8(uint32_t addr, uint32_t data)
77 wbank[(addr >> 13) & 7][addr & 0x1fff] = data;
80 uint32_t MEMORY::read_data8(uint32_t addr)
83 return rbank[(addr >> 13) & 7][addr & 0x1fff];
86 void MEMORY::write_signal(int id, uint32_t data, uint32_t mask)
91 void MEMORY::set_bank(uint32_t val)
93 SET_BANK(0x0000, 0xffff, ram, ram);
98 SET_BANK(0x0000, 0x7fff, wdmy, sys);
105 SET_BANK(0xc000, 0xdfff, wdmy, basic);
108 SET_BANK(0xa000, 0xbfff, wdmy, basic + 0x2000);
109 SET_BANK(0xc000, 0xdfff, wdmy, basic);
112 SET_BANK(0x6000, 0x7fff, wdmy, basic + 0x6000);
113 SET_BANK(0x8000, 0xdfff, wdmy, basic);
117 SET_BANK(0xc000, 0xdfff, wdmy, util);
120 SET_BANK(0xa000, 0xbfff, wdmy, util + 0x2000);
121 SET_BANK(0xc000, 0xdfff, wdmy, util);
124 SET_BANK(0x6000, 0x7fff, wdmy, util + 0x6000);
125 SET_BANK(0x8000, 0xdfff, wdmy, util);
131 #define STATE_VERSION 1
133 #include "../../statesub.h"
135 void MEMORY::decl_state()
137 enter_decl_state(STATE_VERSION);
139 DECL_STATE_ENTRY_1D_ARRAY(ram, sizeof(ram));
140 DECL_STATE_ENTRY_UINT8(bank);
145 void MEMORY::save_state(FILEIO* state_fio)
147 if(state_entry != NULL) {
148 state_entry->save_state(state_fio);
150 // state_fio->FputUint32(STATE_VERSION);
151 // state_fio->FputInt32(this_device_id);
153 // state_fio->Fwrite(ram, sizeof(ram), 1);
154 // state_fio->FputUint8(bank);
157 bool MEMORY::load_state(FILEIO* state_fio)
160 if(state_entry != NULL) {
161 mb = state_entry->load_state(state_fio);
166 // if(state_fio->FgetUint32() != STATE_VERSION) {
169 // if(state_fio->FgetInt32() != this_device_id) {
172 // state_fio->Fread(ram, sizeof(ram), 1);
173 // bank = state_fio->FgetUint8();
180 bool MEMORY::process_state(FILEIO* state_fio, bool loading)
182 if(!state_fio->StateCheckUint32(STATE_VERSION)) {
185 if(!state_fio->StateCheckInt32(this_device_id)) {
188 state_fio->StateBuffer(ram, sizeof(ram), 1);
189 state_fio->StateUint8(bank);