source/src/vm/mz2500/printer.cpp

   1 /*
   2         SHARP MZ-80B Emulator 'EmuZ-80B'
   3         SHARP MZ-2200 Emulator 'EmuZ-2200'
   4         SHARP MZ-2500 Emulator 'EmuZ-2500'
   5
   6         Author : Takeda.Toshiya
   7         Date   : 2015.12.28-
   8
   9         [ printer ]
  10 */
  11
  12 #include "printer.h"
  13
  14 namespace MZ2500 {
  15
  16 void PRINTER::write_io8(uint32_t addr, uint32_t data)
  17 {
  18         switch(addr & 0xff) {
  19         case 0xfe:
  20                 d_prn->write_signal(SIG_PRINTER_STROBE, data, 0x80);
  21                 d_prn->write_signal(SIG_PRINTER_RESET, data, 0x40);
  22                 break;
  23         case 0xff:
  24                 d_prn->write_signal(SIG_PRINTER_DATA, data, 0xff);
  25                 break;
  26         }
  27 }
  28
  29 uint32_t PRINTER::read_io8(uint32_t addr)
  30 {
  31         switch(addr & 0xff) {
  32         case 0xfe:
  33                 return 0xf2 | (d_prn->read_signal(SIG_PRINTER_BUSY) ? 1 : 0);
  34         }
  35         return 0xff;
  36 }
  37
  38 }