source/src/vm/fmtowns/fontroms.cpp

   1 /*
   2         FUJITSU FM Towns Emulator 'eFMTowns'
   3
   4         Author : Kyuma.Ohta <whatisthis.sowhat _at_ gmail.com>
   5         Date   : 2019.01.09 -
   6
   7         [fonts]
   8 */
   9
  10 #inclide "../towns_common.h"
  11 #include "../../fileio.h"
  12 #include "./fontroms.h"
  13
  14 namespace FMTOWNS {
  15
  16 void FONT_ROMS::initialize()
  17 {
  18         wait_val = 3;
  19         memset(font_kanji16, sizeof(font_kanji16), 0xff);
  20         FILEIO* fio = new FILEIO();
  21
  22         if(fio->Fopen(create_local_path(_T("FMT_FNT.ROM")), FILEIO_READ_BINARY)) { // FONT
  23                 fio->Fread(font_kanji16, sizeof(font_kanji16), 1);
  24                 fio->Fclose();
  25         }
  26
  27 #if defined(HAVE_20PIXS_FONT)
  28         memset(font_kanji20, sizeof(font_kanji20), 0xff);
  29         if(fio->Fopen(create_local_path(_T("FMT_F20.ROM")), FILEIO_READ_BINARY)) { // FONT
  30                 fio->Fread(font_kanji20, sizeof(font_kanji20), 1);
  31                 fio->Fclose();
  32         }
  33 #endif
  34
  35         delete fio;
  36 }
  37
  38 uint32_t FONT_ROMS::read_data8(uint32_t addr)
  39 {
  40         if((addr >= 0xc2100000) && (addr < 0xc2140000)) {
  41                 return (uint32_t)(font_kanji16[addr & 0x3ffff]);
  42         } else if((addr >= 0xc2180000) && (addr < 0xc2200000)) {
  43 #if defined(HAVE_20PIXS_FONT)
  44                 return (uint32_t)(font_kanji20[addr & 0x7ffff]);
  45 #else
  46                 return 0xff;
  47 #endif
  48         } else if((addr >= 0x000ca000) && (addr < 0x000ca800)) {
  49                 return (uint32_t)(font_kanji16[0x1e800 + (addr & 0x7ff)]);
  50         } else if((addr >= 0x000cb000) && (addr < 0x000cc000)) {
  51                 return (uint32_t)(font_kanji16[0x1f000 + (addr & 0x7ff)]);
  52         }
  53         return 0xff;
  54 }
  55
  56 uint32_t FONT_ROMS::read_data8w(uint32_t addr, int* wait)
  57 {
  58         if(wait != NULL) *wait = wait_val;
  59         return read_data8(addr);
  60 }
  61
  62 void FONT_ROMS::write_data8w(uint32_t addr, uint32_t data, int* wait)
  63 {
  64         if(wait != NULL) *wait = wait_val;
  65 }
  66
  67 void FONT_ROMS::write_signal(int ch, uint32_t data, uint32_t mask)
  68 {
  69         if(ch == SIG_FMTOWNS_SET_MEMWAIT) {
  70                 wait_val = (int)data;
  71         }
  72 }
  73
  74 #define STATE_VERSION   1
  75
  76 bool FONT_ROMS::process_state(FILEIO* state_fio, bool loading)
  77 {
  78         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
  79                 return false;
  80         }
  81         if(!state_fio->StateCheckInt32(this_device_id)) {
  82                 return false;
  83         }
  84         state_fio->StateValue(wait_val);
  85
  86         return true;
  87 }
  88
  89 }