// license:BSD-3-Clause // copyright-holders:Barry Rodewald #ifndef MAME_VIDEO_IBM8514A_H #define MAME_VIDEO_IBM8514A_H #pragma once //#include "screen.h" //#include "video/pc_vga.h" #include "mame_shims.h" // ES40 adaptation //class svga_device; class CVGA; using svga_device = CVGA; class ibm8514a_device : public device_t { public: static constexpr feature_type imperfect_features() { return feature::GRAPHICS; } ibm8514a_device(const machine_config& mconfig, const char* tag, device_t* owner, uint32_t clock); // es40 ibm8514a_device(); template void set_vga(T &&tag) { m_vga.set_tag(std::forward(tag)); } void set_vga_owner() { /* m_vga.set_tag(DEVICE_SELF); ES40 COMMENT OUT */ } void set_vga_ptr(svga_device* vga) { m_vga.set(vga); } // ES40 void enabled(); bool is_8514a_enabled() { return ibm8514.enabled; } bool is_passthrough_set() { return ibm8514.passthrough; } uint16_t ibm8514_gpstatus_r(); void ibm8514_cmd_w(uint16_t data); void ibm8514_display_ctrl_w(uint16_t data); uint16_t ibm8514_line_error_r(); void ibm8514_line_error_w(uint16_t data); uint8_t ibm8514_status_r(offs_t offset); void ibm8514_htotal_w(offs_t offset, uint8_t data); uint16_t ibm8514_substatus_r(); void ibm8514_subcontrol_w(uint16_t data); uint16_t ibm8514_subcontrol_r(); uint16_t ibm8514_htotal_r(); uint16_t ibm8514_vtotal_r(); void ibm8514_vtotal_w(uint16_t data); uint16_t ibm8514_vdisp_r(); void ibm8514_vdisp_w(uint16_t data); uint16_t ibm8514_vsync_r(); void ibm8514_vsync_w(uint16_t data); uint16_t ibm8514_desty_r(); void ibm8514_desty_w(uint16_t data); uint16_t ibm8514_destx_r(); void ibm8514_destx_w(uint16_t data); uint16_t ibm8514_ssv_r(); void ibm8514_ssv_w(uint16_t data); uint16_t ibm8514_currentx_r(); void ibm8514_currentx_w(uint16_t data); uint16_t ibm8514_currenty_r(); void ibm8514_currenty_w(uint16_t data); uint16_t ibm8514_width_r(); void ibm8514_width_w(uint16_t data); uint16_t ibm8514_fgcolour_r(); void ibm8514_fgcolour_w(uint16_t data); uint16_t ibm8514_fgcolour_r_hi(); void ibm8514_fgcolour_w_hi(uint16_t data); uint16_t ibm8514_bgcolour_r(); void ibm8514_bgcolour_w(uint16_t data); uint16_t ibm8514_bgcolour_r_hi(); void ibm8514_bgcolour_w_hi(uint16_t data); uint16_t ibm8514_multifunc_r(); void ibm8514_multifunc_w(uint16_t data); uint16_t ibm8514_backmix_r(); void ibm8514_backmix_w(uint16_t data); uint16_t ibm8514_foremix_r(); void ibm8514_foremix_w(uint16_t data); uint16_t ibm8514_pixel_xfer_r(offs_t offset); virtual void ibm8514_pixel_xfer_w(offs_t offset, uint16_t data); uint16_t ibm8514_read_mask_r(); void ibm8514_read_mask_w(uint16_t data); uint16_t ibm8514_read_mask_r_hi(); void ibm8514_read_mask_w_hi(uint16_t data); uint16_t ibm8514_write_mask_r(); void ibm8514_write_mask_w(uint16_t data); uint16_t ibm8514_write_mask_r_hi(); void ibm8514_write_mask_w_hi(uint16_t data); uint16_t ibm8514_color_cmp_r(); void ibm8514_color_cmp_w(uint16_t data); uint16_t ibm8514_color_cmp_r_hi(); void ibm8514_color_cmp_w_hi(uint16_t data); void ibm8514_advfunc_w(uint16_t data); void ibm8514_wait_draw(); void ibm8514_pixel_xfer_complete(); // es40 struct { uint16_t htotal; // Horizontal total (9 bits) uint16_t vtotal; // Vertical total adjust (3 bits), Vertical total base (9 bit) uint16_t vdisp; uint16_t vsync; uint16_t subctrl; uint16_t substatus; uint8_t display_ctrl; uint16_t ssv; uint16_t ec0; uint16_t ec1; uint16_t ec2; uint16_t ec3; bool gpbusy; bool data_avail; int16_t dest_x; int16_t dest_y; int16_t curr_x; int16_t curr_y; int16_t prev_x; int16_t prev_y; int16_t line_axial_step; int16_t line_diagonal_step; int16_t line_errorterm; uint16_t current_cmd; uint16_t src_x; uint16_t src_y; int16_t scissors_left; int16_t scissors_right; int16_t scissors_top; int16_t scissors_bottom; uint16_t rect_width; uint16_t rect_height; uint32_t fgcolour; uint32_t bgcolour; uint16_t fgmix; uint16_t bgmix; uint32_t pixel_xfer; uint16_t pixel_control; uint8_t bus_size; uint8_t color_bpp; uint8_t multifunc_sel; uint16_t multifunc_misc; uint16_t multifunc_misc2; uint16_t multifunc[16]; uint32_t color_cmp; bool color_cmp_enabled; bool color_cmp_src_ne; uint8_t frgd_sel; uint8_t bkgd_sel; uint8_t frgd_mix_mode; uint8_t bkgd_mix_mode; bool force_busy; bool force_busy2; uint16_t cmd_back; int fifo_idx; uint32_t dst_base; uint32_t src_base; uint32_t read_mask; uint32_t write_mask; uint16_t advfunction_ctrl; bool enabled; bool passthrough; int state; uint8_t wait_vector_len; uint8_t wait_vector_dir; bool wait_vector_draw; uint8_t wait_vector_count; } ibm8514; protected: ibm8514a_device(const machine_config& mconfig, device_type type, const char* tag, device_t* owner, uint32_t clock); virtual void device_start() override ATTR_COLD; void ibm8514_write(uint32_t offset, uint32_t src); void ibm8514_write_fg(uint32_t offset); void ibm8514_write_bg(uint32_t offset); uint32_t ibm8514_mix(uint8_t mix_mode, uint32_t src, uint32_t dst); void ibm8514_do_pixel(uint32_t dest_offset, uint32_t src_offset, bool use_fgmix); required_device m_vga; // for pass-through private: void ibm8514_draw_vector(uint16_t len, uint8_t dir, bool draw); void ibm8514_wait_draw_ssv(); void ibm8514_draw_ssv(uint8_t data); void ibm8514_wait_draw_vector(); //uint8_t* m_vram; // the original 8514/A has it's own VRAM, but most VGA+8514 combination cards will have // only one set of VRAM, so this will only be needed in standalone 8514/A cards //uint32_t m_vramsize; }; // device type definition DECLARE_DEVICE_TYPE(IBM8514A, ibm8514a_device) #endif // MAME_VIDEO_IBM8514A_H