[VM][FM7] Add Japanese communication board (日本語通信カード) .

[csp-qt/common_source_project-fm7.git] / source / src / vm / fm7 / kanjirom.cpp

diff --git a/source/src/vm/fm7/kanjirom.cpp b/source/src/vm/fm7/kanjirom.cpp
index 0558eb6..d6da593 100644 (file)
--- a/source/src/vm/fm7/kanjirom.cpp
+++ b/source/src/vm/fm7/kanjirom.cpp
@@ -21,12 +21,19 @@ KANJIROM::KANJIROM(VM *parent_vm, EMU* parent_emu, bool type_2std): DEVICE(paren
        memset(data_table, 0xff, 0x20000); 
        //      read_table[0].memory = data_table;
        p_emu = parent_emu;
+
+#if !defined(_FM77AV_VARIANTS)
+       jis78_emulation = ((config.dipswitch & FM7_DIPSW_JIS78EMU_ON) != 0);
+#else
+       jis78_emulation = false;
+#endif
        if(type_2std) {
                class2 = true;
                if(fio->Fopen(create_local_path(_T("KANJI2.ROM")), FILEIO_READ_BINARY)) {
                  fio->Fread(data_table, 0x20000, 1);
                        fio->Fclose();
                        read_ok = true;
+                       jis78_emulation = false;
                }
        } else {
                class2 = false;
@@ -62,6 +69,11 @@ KANJIROM::~KANJIROM()
 void KANJIROM::reset(void)
 {
        kanjiaddr.d = 0;
+#if defined(_FM77AV_VARIANTS)
+       jis78_emulation = false;
+#else
+       jis78_emulation = ((config.dipswitch & FM7_DIPSW_JIS78EMU_ON) != 0);
+#endif
 }
 
 void KANJIROM::write_data8(uint32_t addr, uint32_t data)
@@ -80,8 +92,14 @@ void KANJIROM::write_data8(uint32_t addr, uint32_t data)
 uint32_t KANJIROM::read_data8(uint32_t addr)
 {
        if(addr == KANJIROM_DATA_HI) {
+               if((jis78_emulation) && (kanjiaddr.d >= 0x3000) && (kanjiaddr.d < 0x4000)) {
+                       return 0;
+               }
                return data_table[(kanjiaddr.d << 1) & 0x1ffff];
        } else if(addr == KANJIROM_DATA_LO) {
+               if((jis78_emulation) && (kanjiaddr.d >= 0x3000) && (kanjiaddr.d < 0x4000)) {
+                       return 1;
+               }
                return data_table[((kanjiaddr.d << 1) & 0x1ffff) + 1];
        } else if(addr == KANJIROM_READSTAT) {
                return (read_ok) ? 0xffffffff : 0x00000000;
@@ -100,7 +118,7 @@ void KANJIROM::release()
 {
 }
 
-#define STATE_VERSION 2
+#define STATE_VERSION 3
 void KANJIROM::save_state(FILEIO *state_fio)
 {
        state_fio->FputUint32_BE(STATE_VERSION);
@@ -111,6 +129,10 @@ void KANJIROM::save_state(FILEIO *state_fio)
        state_fio->FputBool(read_ok);
        state_fio->Fwrite(data_table, sizeof(data_table), 1);
        state_fio->FputUint16_BE(kanjiaddr.w.l);
+
+#if !defined(_FM77AV_VARIANTS)
+       state_fio->FputBool(jis78_emulation);
+#endif
 }
 
 bool KANJIROM::load_state(FILEIO *state_fio)
@@ -131,6 +153,13 @@ bool KANJIROM::load_state(FILEIO *state_fio)
                kanjiaddr.w.l = state_fio->FgetUint16_BE();
                if(version == 2) return true;
        }
+#if !defined(_FM77AV_VARIANTS)
+       if(version >= 3) {
+               jis78_emulation = state_fio->FgetBool();
+       }
+#else
+       jis78_emulation = false;
+#endif
        return false;
 }