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/***************************************************************************
pc_vga.h
PC standard VGA adaptor
***************************************************************************/
#ifndef PC_VGA_H
#define PC_VGA_H
MACHINE_CONFIG_EXTERN( pcvideo_vga );
MACHINE_CONFIG_EXTERN( pcvideo_vga_isa );
MACHINE_CONFIG_EXTERN( pcvideo_s3_isa );
MACHINE_CONFIG_EXTERN( pcvideo_ati_isa );
VIDEO_START( vga );
struct pc_svga_interface
{
size_t vram_size;
int seq_regcount;
int gc_regcount;
int crtc_regcount;
void (*choosevideomode)(running_machine &machine, bitmap_rgb32 &bitmap, const rectangle &cliprect, const UINT8 *sequencer, const UINT8 *crtc, int *width, int *height);
};
void pc_vga_init(running_machine &machine, read8_space_func read_dipswitch, const struct pc_svga_interface *svga_intf);
void pc_vga_io_init(running_machine &machine, address_space *mem_space, offs_t mem_offset, address_space *io_space, offs_t port_offset);
void pc_vga_gamtor_io_init(running_machine &machine, address_space *mem_space, offs_t mem_offset, address_space *io_space, offs_t port_offset);
void pc_svga_trident_io_init(running_machine &machine, address_space *mem_space, offs_t mem_offset, address_space *io_space, offs_t port_offset);
void pc_vga_reset(running_machine &machine);
void *pc_vga_memory(void);
size_t pc_vga_memory_size(void);
void pc_video_start(running_machine &machine);
void s3_video_start(running_machine &machine);
READ8_HANDLER(vga_port_03b0_r);
READ8_HANDLER(vga_port_03c0_r);
READ8_HANDLER(vga_port_03d0_r);
READ8_HANDLER(vga_mem_r);
WRITE8_HANDLER(vga_port_03b0_w);
WRITE8_HANDLER(vga_port_03c0_w);
WRITE8_HANDLER(vga_port_03d0_w);
WRITE8_HANDLER(vga_mem_w);
/* per-device implementations */
READ8_HANDLER(tseng_et4k_03b0_r);
WRITE8_HANDLER(tseng_et4k_03b0_w);
READ8_HANDLER(tseng_et4k_03c0_r);
WRITE8_HANDLER(tseng_et4k_03c0_w);
READ8_HANDLER(tseng_et4k_03d0_r);
WRITE8_HANDLER(tseng_et4k_03d0_w);
READ8_HANDLER(tseng_mem_r);
WRITE8_HANDLER(tseng_mem_w);
READ8_HANDLER(trident_03c0_r);
WRITE8_HANDLER(trident_03c0_w);
READ8_HANDLER(trident_03d0_r);
WRITE8_HANDLER(trident_03d0_w);
READ8_HANDLER(trident_mem_r);
WRITE8_HANDLER(trident_mem_w);
READ8_HANDLER(s3_port_03b0_r);
WRITE8_HANDLER(s3_port_03b0_w);
READ8_HANDLER(s3_port_03c0_r);
WRITE8_HANDLER(s3_port_03c0_w);
READ8_HANDLER(s3_port_03d0_r);
WRITE8_HANDLER(s3_port_03d0_w);
READ16_HANDLER(s3_gpstatus_r);
WRITE16_HANDLER(s3_cmd_w);
READ16_HANDLER(ibm8514_ssv_r);
WRITE16_HANDLER(ibm8514_ssv_w);
READ16_HANDLER(s3_8ae8_r);
WRITE16_HANDLER(s3_8ae8_w);
READ16_HANDLER(s3_8ee8_r);
WRITE16_HANDLER(s3_8ee8_w);
READ16_HANDLER(s3_currentx_r);
WRITE16_HANDLER(s3_currentx_w);
READ16_HANDLER(s3_currenty_r);
WRITE16_HANDLER(s3_currenty_w);
READ16_HANDLER(s3_line_error_r);
WRITE16_HANDLER(s3_line_error_w);
READ16_HANDLER(s3_width_r);
WRITE16_HANDLER(s3_width_w);
READ16_HANDLER(s3_multifunc_r);
WRITE16_HANDLER(s3_multifunc_w);
READ16_HANDLER(s3_fgcolour_r);
WRITE16_HANDLER(s3_fgcolour_w);
READ16_HANDLER(s3_bgcolour_r);
WRITE16_HANDLER(s3_bgcolour_w);
READ16_HANDLER(s3_backmix_r);
WRITE16_HANDLER(s3_backmix_w);
READ16_HANDLER(s3_foremix_r);
WRITE16_HANDLER(s3_foremix_w);
READ16_HANDLER(s3_pixel_xfer_r);
WRITE16_HANDLER(s3_pixel_xfer_w);
READ8_HANDLER(s3_mem_r);
WRITE8_HANDLER(s3_mem_w);
READ8_HANDLER( ati_port_03c0_r );
DECLARE_READ8_DEVICE_HANDLER(ati_port_ext_r);
DECLARE_WRITE8_DEVICE_HANDLER(ati_port_ext_w);
READ16_HANDLER(ibm8514_gpstatus_r);
WRITE16_HANDLER(ibm8514_cmd_w);
READ16_HANDLER(mach8_ext_fifo_r);
WRITE16_HANDLER(mach8_linedraw_index_w);
READ16_HANDLER(mach8_bresenham_count_r);
WRITE16_HANDLER(mach8_bresenham_count_w);
READ16_HANDLER(mach8_scratch0_r);
WRITE16_HANDLER(mach8_scratch0_w);
READ16_HANDLER(mach8_scratch1_r);
WRITE16_HANDLER(mach8_scratch1_w);
READ16_HANDLER(mach8_config1_r);
READ16_HANDLER(mach8_config2_r);
READ16_HANDLER(mach8_status_r);
READ16_HANDLER(mach8_substatus_r);
WRITE16_HANDLER(mach8_subcontrol_w);
READ16_HANDLER(mach8_subcontrol_r);
READ16_HANDLER(mach8_htotal_r);
WRITE16_HANDLER(mach8_htotal_w);
READ16_HANDLER(mach8_vtotal_r);
WRITE16_HANDLER(mach8_vtotal_w);
READ16_HANDLER(mach8_vdisp_r);
WRITE16_HANDLER(mach8_vdisp_w);
READ16_HANDLER(mach8_vsync_r);
WRITE16_HANDLER(mach8_vsync_w);
WRITE16_HANDLER(mach8_linedraw_w);
READ16_HANDLER(mach8_ec0_r);
WRITE16_HANDLER(mach8_ec0_w);
READ16_HANDLER(mach8_ec1_r);
WRITE16_HANDLER(mach8_ec1_w);
READ16_HANDLER(mach8_ec2_r);
WRITE16_HANDLER(mach8_ec2_w);
READ16_HANDLER(mach8_ec3_r);
WRITE16_HANDLER(mach8_ec3_w);
READ8_HANDLER(ati_mem_r);
WRITE8_HANDLER(ati_mem_w);
/*
pega notes (paradise)
build in amstrad pc1640
ROM_LOAD("40100", 0xc0000, 0x8000, CRC(d2d1f1ae))
4 additional dipswitches
seems to have emulation modes at register level
(mda/hgc lines bit 8 not identical to ega/vga)
standard ega/vga dipswitches
00000000 320x200
00000001 640x200 hanging
00000010 640x200 hanging
00000011 640x200 hanging
00000100 640x350 hanging
00000101 640x350 hanging EGA mono
00000110 320x200
00000111 640x200
00001000 640x200
00001001 640x200
00001010 720x350 partial visible
00001011 720x350 partial visible
00001100 320x200
00001101 320x200
00001110 320x200
00001111 320x200
*/
/*
oak vga (oti 037 chip)
(below bios patch needed for running)
ROM_LOAD("oakvga.bin", 0xc0000, 0x8000, CRC(318c5f43))
*/
#endif /* PC_VGA_H */
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