/*
- NEC PC-98DO Emulator 'ePC-98DO'
- NEC PC-8801MA Emulator 'ePC-8801MA'
+ NEC PC-8001 Emulator 'ePC-8001'
+ NEC PC-8001mkII Emulator 'ePC-8001mkII'
NEC PC-8001mkIISR Emulator 'ePC-8001mkIISR'
+ NEC PC-8801 Emulator 'ePC-8801'
+ NEC PC-8801mkII Emulator 'ePC-8801mkII'
+ NEC PC-8801MA Emulator 'ePC-8801MA'
+ NEC PC-98DO Emulator 'ePC-98DO'
Author : Takeda.Toshiya
Date : 2011.12.29-
#include "../device.h"
#define SIG_PC88_USART_IRQ 0
-#define SIG_PC88_SOUND_IRQ 1
-#ifdef SUPPORT_PC88_SB2
-#define SIG_PC88_SB2_IRQ 2
+#ifdef SUPPORT_PC88_OPN1
+#define SIG_PC88_OPN1_IRQ 1
+#endif
+#ifdef SUPPORT_PC88_OPN2
+#define SIG_PC88_OPN2_IRQ 2
+#endif
+#ifdef SUPPORT_PC88_CDROM
+#define SIG_PC88_SCSI_DRQ 3
#endif
-#define SIG_PC88_USART_OUT 3
+#define SIG_PC88_USART_OUT 4
#define CMT_BUFFER_SIZE 0x40000
-#if defined(_PC8001SR) && !defined(PC88_EXRAM_BANKS)
-#define PC88_EXRAM_BANKS 1
-#endif
-
-#if !defined(_PC8001SR)
+#if defined(PC8801_VARIANT)
#define NIPPY_PATCH
#endif
+#if defined(SUPPORT_PC88_OPN1) || defined(SUPPORT_PC88_OPN2)
class YM2203;
+#endif
class Z80;
+#ifdef SUPPORT_PC88_CDROM
+class SCSI_HOST;
+class SCSI_CDROM;
+#endif
namespace PC88DEV {
typedef struct {
class PC88 : public DEVICE
{
private:
- YM2203 *d_opn;
-#ifdef SUPPORT_PC88_SB2
- YM2203 *d_sb2;
+#ifdef SUPPORT_PC88_OPN1
+ YM2203 *d_opn1;
+#endif
+#ifdef SUPPORT_PC88_OPN2
+ YM2203 *d_opn2;
#endif
Z80 *d_cpu;
DEVICE *d_pcm, *d_pio, *d_prn, *d_rtc, *d_sio;
+#ifdef SUPPORT_PC88_CDROM
+ SCSI_HOST* d_scsi_host;
+ SCSI_CDROM* d_scsi_cdrom;
+#endif
+#ifdef SUPPORT_PC88_HMB20
+ DEVICE *d_opm;
+#endif
#ifdef SUPPORT_PC88_PCG8100
DEVICE *d_pcg_pit, *d_pcg_pcm0, *d_pcg_pcm1, *d_pcg_pcm2;
#endif
#endif
uint8_t gvram[0xc000];
uint8_t gvram_null[0x4000];
+#if defined(PC8801SR_VARIANT)
uint8_t tvram[0x1000];
+#endif
+#if defined(PC8001_VARIANT)
+ uint8_t n80rom[0x8000];
#if defined(_PC8001SR)
- uint8_t n80mk2rom[0x8000];
- uint8_t n80mk2srrom[0xa000];
+ uint8_t n80srrom[0xa000];
+#endif
#else
uint8_t n88rom[0x8000];
uint8_t n88exrom[0x8000];
uint8_t n80rom[0x8000];
#endif
+//#ifdef SUPPORT_PC88_KANJI1
uint8_t kanji1[0x20000];
+//#endif
+#ifdef SUPPORT_PC88_KANJI2
uint8_t kanji2[0x20000];
+#endif
#ifdef SUPPORT_PC88_DICTIONARY
uint8_t dicrom[0x80000];
#endif
+#ifdef SUPPORT_PC88_CDROM
+ uint8_t cdbios[0x10000];
+ bool cdbios_loaded;
+#endif
// i/o port
uint8_t port[256];
pc88_dmac_t dmac;
// memory mapper
+#if defined(_PC8001SR) || defined(PC8801SR_VARIANT)
uint8_t alu_reg[3];
+#endif
uint8_t gvram_plane, gvram_sel;
void update_timing();
int get_m1_wait(bool addr_f000);
int get_main_wait(bool read);
+#if defined(PC8801SR_VARIANT)
int get_tvram_wait(bool read);
+#endif
int get_gvram_wait(bool read);
void update_gvram_wait();
void update_gvram_sel();
-#if defined(_PC8001SR)
+#if defined(PC8001_VARIANT)
void update_n80_write();
void update_n80_read();
#else
- void update_low_memmap();
+ void update_low_write();
+ void update_low_read();
+#if defined(PC8801SR_VARIANT)
void update_tvram_memmap();
#endif
+#endif
// cpu
bool cpu_clock_low;
int m1_wait_clocks;
int f000_m1_wait_clocks;
int mem_wait_clocks_r, mem_wait_clocks_w;
+#if defined(PC8801SR_VARIANT)
int tvram_wait_clocks_r, tvram_wait_clocks_w;
+#endif
int gvram_wait_clocks_r, gvram_wait_clocks_w;
int busreq_clocks;
// screen
- struct {
+ typedef struct palette_s {
uint8_t b, r, g;
- } palette[9];
+ } palette_t;
+ palette_t palette[10]; // 8 = digital back color, 9 = analog back color
bool update_palette;
bool hireso;
uint8_t text_color[200][80];
bool text_reverse[200][80];
uint8_t graph[400][640];
- scrntype_t palette_text_pc[9]; // 0 = back color for attrib mode, 8 = black
- scrntype_t palette_graph_pc[9];
- scrntype_t line_palette_text_pc[400][9];
- scrntype_t line_palette_graph_pc[400][9];
+
+ palette_t palette_digital[9];
+ palette_t palette_analog [9];
+ palette_t palette_line_digital[400][9];
+ palette_t palette_line_analog [400][9];
+ bool palette_line_changed[400];
+#if defined(SUPPORT_PC88_VAB)
+ scrntype_t palette_vab_pc[0x10000];
+#endif
void draw_text();
+#if defined(PC8001_VARIANT)
#if defined(_PC8001SR)
bool draw_320x200_color_graph();
+#endif
bool draw_320x200_4color_graph();
void draw_320x200_attrib_graph();
#endif
bool draw_640x200_color_graph();
void draw_640x200_mono_graph();
void draw_640x200_attrib_graph();
-#if !defined(_PC8001SR)
+#if defined(PC8801SR_VARIANT)
void draw_640x400_mono_graph();
void draw_640x400_attrib_graph();
#endif
// intterrupt
uint8_t intr_req;
- bool intr_req_sound;
-#ifdef SUPPORT_PC88_SB2
- bool intr_req_sb2;
+#ifdef SUPPORT_PC88_OPN1
+ bool intr_req_opn1;
+#endif
+#ifdef SUPPORT_PC88_OPN2
+ bool intr_req_opn2;
#endif
uint8_t intr_mask1, intr_mask2;
void request_intr(int level, bool status);
uint8_t pcg_pattern[0x800];
#endif
+#ifdef SUPPORT_PC88_CDROM
+ int cdda_register_id;
+ double cdda_volume;
+#endif
+
#ifdef NIPPY_PATCH
// dirty patch for NIPPY
bool nippy_patch;
public:
PC88(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
{
-#if defined(_PC8001SR)
+#if defined(PC8001_VARIANT)
set_device_name(_T("PC-8001 Core"));
#else
set_device_name(_T("PC-8801 Core"));
#endif
uint32_t read_dma_data8(uint32_t addr);
+ void write_dma_data8(uint32_t addr, uint32_t data);
void write_dma_io8(uint32_t addr, uint32_t data);
void write_signal(int id, uint32_t data, uint32_t mask);
bool process_state(FILEIO* state_fio, bool loading);
// unique functions
+#ifdef PC8801SR_VARIANT
bool is_sr_mr()
{
-#if !defined(_PC8001SR)
return (n88rom[0x79d7] < 0x38);
-#else
- return true;
-#endif
}
+#endif
void set_context_cpu(Z80* device)
{
d_cpu = device;
}
- void set_context_opn(YM2203* device)
+#ifdef SUPPORT_PC88_OPN1
+ void set_context_opn1(YM2203* device)
{
- d_opn = device;
+ d_opn1 = device;
}
-#ifdef SUPPORT_PC88_SB2
- void set_context_sb2(YM2203* device)
+#endif
+#ifdef SUPPORT_PC88_OPN2
+ void set_context_opn2(YM2203* device)
{
- d_sb2 = device;
+ d_opn2 = device;
}
#endif
void set_context_pcm(DEVICE* device)
{
d_sio = device;
}
+#ifdef SUPPORT_PC88_CDROM
+ void set_context_scsi_host(SCSI_HOST* device)
+ {
+ d_scsi_host = device;
+ }
+ void set_context_scsi_cdrom(SCSI_CDROM* device)
+ {
+ d_scsi_cdrom = device;
+ }
+#endif
+#ifdef SUPPORT_PC88_HMB20
+ void set_context_opm(DEVICE* device)
+ {
+ d_opm = device;
+ }
+#endif
#ifdef SUPPORT_PC88_PCG8100
void set_context_pcg_pit(DEVICE* device)
{
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