/*
NEC PC-9801 Emulator 'ePC-9801'
NEC PC-9801E/F/M Emulator 'ePC-9801E'
+ NEC PC-9801U Emulator 'ePC-9801U'
+ NEC PC-9801VF Emulator 'ePC-9801VF'
+ NEC PC-9801VM Emulator 'ePC-9801VM'
+ NEC PC-9801VX Emulator 'ePC-9801VX'
+ NEC PC-9801RA Emulator 'ePC-9801RA'
+ NEC PC-98XA Emulator 'ePC-98XA'
+ NEC PC-98XL Emulator 'ePC-98XL'
+ NEC PC-98RL Emulator 'ePC-98RL'
NEC PC-98DO Emulator 'ePC-98DO'
Author : Takeda.Toshiya
class UPD7220;
+namespace PC9801 {
+
class DISPLAY : public DEVICE
{
private:
uint8_t *ra_gfx, *cs_gfx;
uint8_t tvram[0x4000];
+#if !defined(SUPPORT_HIRESO)
#if defined(SUPPORT_2ND_VRAM)
uint8_t vram[0x40000];
#else
uint8_t vram[0x20000];
#endif
+#else
+ uint8_t vram[0x80000];
+#endif
+
+#if defined(SUPPORT_2ND_VRAM) && !defined(SUPPORT_HIRESO)
+ uint8_t vram_disp_sel;
+ uint8_t vram_draw_sel;
+#endif
uint8_t *vram_disp_b;
uint8_t *vram_disp_r;
uint8_t *vram_disp_g;
scrntype_t palette_gfx8[8];
uint8_t digipal[4];
#if defined(SUPPORT_16_COLORS)
- scrntype_t palette_gfx16[8];
+ scrntype_t palette_gfx16[16];
uint8_t anapal[16][3], anapal_sel;
#endif
uint8_t modereg1[8];
#if defined(SUPPORT_16_COLORS)
uint8_t modereg2[128];
+#endif
+#if defined(SUPPORT_GRCG)
uint8_t grcg_mode, grcg_tile_ptr, grcg_tile[4];
#endif
+#if defined(SUPPORT_EGC)
+ typedef union {
+ uint8_t b[2];
+ uint16_t w;
+ } egcword_t;
+ typedef union {
+ uint8_t b[4][2];
+ uint16_t w[4];
+ uint32_t d[2];
+ uint64_t q;
+ } egcquad_t;
+
+ uint16_t egc_access;
+ uint16_t egc_fgbg;
+ uint16_t egc_ope;
+ uint16_t egc_fg;
+ egcword_t egc_mask;
+ uint16_t egc_bg;
+ uint16_t egc_sft;
+ uint16_t egc_leng;
+ egcquad_t egc_lastvram;
+ egcquad_t egc_patreg;
+ egcquad_t egc_fgc;
+ egcquad_t egc_bgc;
+ int egc_func;
+ uint32_t egc_remain;
+ uint32_t egc_stack;
+ uint8_t* egc_inptr;
+ uint8_t* egc_outptr;
+
+ int tmp_inptr_ofs;
+ int tmp_outptr_ofs;
+
+ egcword_t egc_mask2;
+ egcword_t egc_srcmask;
+ uint8_t egc_srcbit;
+ uint8_t egc_dstbit;
+ uint8_t egc_sft8bitl;
+ uint8_t egc_sft8bitr;
+ uint8_t egc_buf[528]; /* 4096/8 + 4*4 */
+ egcquad_t egc_vram_src;
+ egcquad_t egc_vram_data;
+#endif
- uint8_t font[0x84000];
+#if !defined(SUPPORT_HIRESO)
+ #define FONT_SIZE 16
+ #define FONT_WIDTH 8
+ #define FONT_HEIGHT 16
+#else
+ #define FONT_SIZE 48
+ #define FONT_WIDTH 14
+ #define FONT_HEIGHT 24
+#endif
+ #define KANJI_2ND_OFS (FONT_SIZE * 0x80)
+ #define KANJI_FONT_SIZE (FONT_SIZE * 2)
+ #define ANK_FONT_OFS (KANJI_FONT_SIZE * 0x4000)
+
+ uint8_t font[ANK_FONT_OFS + FONT_SIZE * 0x400];
uint16_t font_code;
uint8_t font_line;
- uint16_t font_lr;
+// uint16_t font_lr;
- uint8_t screen_chr[400][641];
- uint8_t screen_gfx[400][640];
- uint32_t gdc_addr[480][80];
+ uint8_t screen_chr[SCREEN_HEIGHT][SCREEN_WIDTH + 1];
+ uint8_t screen_gfx[SCREEN_HEIGHT][SCREEN_WIDTH];
+#if !defined(SUPPORT_HIRESO)
void kanji_copy(uint8_t *dst, uint8_t *src, int from, int to);
-#if defined(SUPPORT_16_COLORS)
- void write_grcg(uint32_t addr, uint32_t data);
- uint32_t read_grcg(uint32_t addr);
+#else
+ void ank_copy(int code, uint8_t *pattern);
+ void kanji_copy(int first, int second, uint8_t *pattern);
+#endif
+#if defined(SUPPORT_GRCG)
+ void grcg_writeb(uint32_t addr1, uint32_t data);
+ void grcg_writew(uint32_t addr1, uint32_t data);
+ uint32_t grcg_readb(uint32_t addr1);
+ uint32_t grcg_readw(uint32_t addr1);
+#endif
+#if defined(SUPPORT_EGC)
+ void egc_shift();
+ void egc_sftb_upn_sub(uint32_t ext);
+ void egc_sftb_dnn_sub(uint32_t ext);
+ void egc_sftb_upr_sub(uint32_t ext);
+ void egc_sftb_dnr_sub(uint32_t ext);
+ void egc_sftb_upl_sub(uint32_t ext);
+ void egc_sftb_dnl_sub(uint32_t ext);
+ void egc_sftb_upn0(uint32_t ext);
+ void egc_sftw_upn0();
+ void egc_sftb_dnn0(uint32_t ext);
+ void egc_sftw_dnn0();
+ void egc_sftb_upr0(uint32_t ext);
+ void egc_sftw_upr0();
+ void egc_sftb_dnr0(uint32_t ext);
+ void egc_sftw_dnr0();
+ void egc_sftb_upl0(uint32_t ext);
+ void egc_sftw_upl0();
+ void egc_sftb_dnl0(uint32_t ext);
+ void egc_sftw_dnl0();
+ void egc_sftb(int func, uint32_t ext);
+ void egc_sftw(int func);
+ void egc_shiftinput_byte(uint32_t ext);
+ void egc_shiftinput_incw();
+ void egc_shiftinput_decw();
+ uint64_t egc_ope_00(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_0f(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_c0(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_f0(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_fc(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_ff(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_nd(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_np(uint8_t ope, uint32_t addr);
+ uint64_t egc_ope_xx(uint8_t ope, uint32_t addr);
+ uint64_t egc_opefn(uint32_t func, uint8_t ope, uint32_t addr);
+ uint64_t egc_opeb(uint32_t addr, uint8_t value);
+ uint64_t egc_opew(uint32_t addr, uint16_t value);
+ uint32_t egc_readb(uint32_t addr1);
+ uint32_t egc_readw(uint32_t addr1);
+ void egc_writeb(uint32_t addr1, uint8_t value);
+ void egc_writew(uint32_t addr1, uint16_t value);
#endif
void draw_chr_screen();
void draw_gfx_screen();
public:
- DISPLAY(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
+ DISPLAY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
{
+ memset(tvram, 0, sizeof(tvram));
set_device_name(_T("Display"));
}
~DISPLAY() {}
// common functions
void initialize();
+ void release();
void reset();
void event_frame();
void write_io8(uint32_t addr, uint32_t data);
uint32_t read_io8(uint32_t addr);
void write_memory_mapped_io8(uint32_t addr, uint32_t data);
+ void write_memory_mapped_io16(uint32_t addr, uint32_t data);
uint32_t read_memory_mapped_io8(uint32_t addr);
- void save_state(FILEIO* state_fio);
- bool load_state(FILEIO* state_fio);
+ uint32_t read_memory_mapped_io16(uint32_t addr);
+ void write_dma_io8(uint32_t addr, uint32_t data);
+ void write_dma_io16(uint32_t addr, uint32_t data);
+ uint32_t read_dma_io8(uint32_t addr);
+ uint32_t read_dma_io16(uint32_t addr);
+ bool process_state(FILEIO* state_fio, bool loading);
// unique functions
void set_context_pic(DEVICE *device)
d_gdc_gfx = device;
ra_gfx = ra; cs_gfx = cs;
}
+ void sound_bios_ok()
+ {
+ tvram[0x3fee] = 8;
+ }
void draw_screen();
-
- bool sound_bios_ok;
};
+}
#endif
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