2 BANDAI RX-78 Emulator 'eRX-78'
4 Author : Takeda.Toshiya
12 static const int key_map[9][8] = {
13 {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37},
14 {0x38, 0x39, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf},
15 {0xc0, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47},
16 {0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f},
17 {0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57},
18 {0x58, 0x59, 0x5a, 0xdb, 0xdc, 0xdd, 0xde, 0xe2},
19 {0x20, 0x28, 0x26, 0x27, 0x25, 0x24, 0x00, 0x2e},
20 {0x00, 0x00, 0x00, 0x08, 0x00, 0x0d, 0x00, 0x14},
21 {0x11, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00}
24 void KEYBOARD::initialize()
26 key_stat = emu->get_key_buffer();
27 joy_stat = emu->get_joy_buffer();
29 // register event to update the key status
30 register_frame_event(this);
33 void KEYBOARD::write_io8(uint32_t addr, uint32_t data)
38 uint32_t KEYBOARD::read_io8(uint32_t addr)
40 return (column == 0x30) ? status[15] : (1 <= column && column <= 15) ? status[column - 1] : 0;
43 void KEYBOARD::event_frame()
45 memset(status, 0, sizeof(status));
47 for(int i = 0; i < 9; i++) {
49 val |= key_stat[key_map[i][0]] ? 0x01 : 0;
50 val |= key_stat[key_map[i][1]] ? 0x02 : 0;
51 val |= key_stat[key_map[i][2]] ? 0x04 : 0;
52 val |= key_stat[key_map[i][3]] ? 0x08 : 0;
53 val |= key_stat[key_map[i][4]] ? 0x10 : 0;
54 val |= key_stat[key_map[i][5]] ? 0x20 : 0;
55 val |= key_stat[key_map[i][6]] ? 0x40 : 0;
56 val |= key_stat[key_map[i][7]] ? 0x80 : 0;
61 switch(joy_stat[0] & 0x0f) {
62 case 0x1: status[ 9] |= 0x11; break; // u
63 case 0x2: status[11] |= 0x11; break; // d
64 case 0x4: status[ 9] |= 0x44; break; // l
65 case 0x5: status[ 9] |= 0x22; break; // lu
66 case 0x6: status[10] |= 0x11; break; // ld
67 case 0x8: status[11] |= 0x44; break; // r
68 case 0x9: status[10] |= 0x22; break; // ru
69 case 0xa: status[11] |= 0x22; break; // rd
71 if(joy_stat[0] & 0x10) status[ 9] |= 0x88; // b1
72 if(joy_stat[0] & 0x20) status[11] |= 0x88; // b2
74 switch(joy_stat[1] & 0x0f) {
75 case 0x1: status[12] |= 0x11; break; // u
76 case 0x2: status[14] |= 0x11; break; // d
77 case 0x4: status[12] |= 0x44; break; // l
78 case 0x5: status[12] |= 0x22; break; // lu
79 case 0x6: status[13] |= 0x11; break; // ld
80 case 0x8: status[14] |= 0x44; break; // r
81 case 0x9: status[13] |= 0x22; break; // ru
82 case 0xa: status[14] |= 0x22; break; // rd
84 if(joy_stat[1] & 0x10) status[12] |= 0x88; // b1
85 if(joy_stat[1] & 0x20) status[14] |= 0x88; // b2
89 for(int i = 0; i < 15; i++) {
95 #define STATE_VERSION 1
97 #include "../../statesub.h"
99 void KEYBOARD::decl_state()
101 enter_decl_state(STATE_VERSION);
103 DECL_STATE_ENTRY_1D_ARRAY(status, sizeof(status));
104 DECL_STATE_ENTRY_UINT8(column);
109 void KEYBOARD::save_state(FILEIO* state_fio)
111 if(state_entry != NULL) {
112 state_entry->save_state(state_fio);
114 // state_fio->FputUint32(STATE_VERSION);
115 // state_fio->FputInt32(this_device_id);
117 // state_fio->Fwrite(status, sizeof(status), 1);
118 // state_fio->FputUint8(column);
121 bool KEYBOARD::load_state(FILEIO* state_fio)
124 if(state_entry != NULL) {
125 mb = state_entry->load_state(state_fio);
130 // if(state_fio->FgetUint32() != STATE_VERSION) {
133 // if(state_fio->FgetInt32() != this_device_id) {
136 // state_fio->Fread(status, sizeof(status), 1);
137 // column = state_fio->FgetUint8();
141 bool KEYBOARD::process_state(FILEIO* state_fio, bool loading)
143 if(!state_fio->StateCheckUint32(STATE_VERSION)) {
146 if(!state_fio->StateCheckInt32(this_device_id)) {
149 state_fio->StateBuffer(status, sizeof(status), 1);
150 state_fio->StateUint8(column);