From fe6fedc39062c674f1341f9cc0f270fdc63e14c3 Mon Sep 17 00:00:00 2001 From: cracyc Date: Mon, 21 Apr 2025 10:46:27 -0500 Subject: [PATCH] deecoseal: add display output and nvram --- src/mame/misc/deecoseal.cpp | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/src/mame/misc/deecoseal.cpp b/src/mame/misc/deecoseal.cpp index 04455ea0331..59fbf97f441 100644 --- a/src/mame/misc/deecoseal.cpp +++ b/src/mame/misc/deecoseal.cpp @@ -10,10 +10,12 @@ #include "cpu/i86/i186.h" #include "cpu/mcs51/mcs51.h" #include "screen.h" +#include "emupal.h" #include "video/upd7220.h" #include "bus/rs232/rs232.h" #include "machine/mc68681.h" #include "machine/i2cmem.h" +#include "machine/nvram.h" namespace { @@ -25,7 +27,9 @@ public: m_maincpu(*this, "maincpu"), m_mcs51(*this, "mcs51"), m_crtc(*this, "crtc"), - m_duart(*this, "duart") + m_duart(*this, "duart"), + m_palette(*this, "palette"), + m_vram(*this, "vram") { } void deecoseal(machine_config &config); @@ -36,6 +40,7 @@ private: void io(address_map &map); void mcs51_map(address_map &map); void crtc_map(address_map &map); + UPD7220_DISPLAY_PIXELS_MEMBER(draw); bool m_port0; @@ -43,6 +48,8 @@ private: required_device m_mcs51; required_device m_crtc; required_device m_duart; + required_device m_palette; + required_shared_ptr m_vram; }; void deecoseal_state::machine_start() @@ -74,7 +81,7 @@ void deecoseal_state::machine_start() void deecoseal_state::map(address_map &map) { map(0x00000, 0x0ffff).ram(); - map(0x40000, 0x43fff).ram(); + map(0x40000, 0x4ffff).ram().share("nvram"); map(0xf0000, 0xfffff).rom().region("bios", 0); } @@ -92,7 +99,16 @@ void deecoseal_state::mcs51_map(address_map &map) void deecoseal_state::crtc_map(address_map &map) { - map(0x0000, 0x7fff).ram(); + map(0x0000, 0x7fff).ram().share("vram"); +} + +UPD7220_DISPLAY_PIXELS_MEMBER( deecoseal_state::draw ) +{ + u16 const gfx = m_vram[address & 0x7fff]; + pen_t const *const pen = m_palette->pens(); + + for(u16 i = 0; i < 16; i++) + bitmap.pix(y, x + i) = pen[BIT(gfx, i)]; } void deecoseal_state::deecoseal(machine_config &config) @@ -106,13 +122,18 @@ void deecoseal_state::deecoseal(machine_config &config) I2C_X2404P(config, "eeprom"); + NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_1); // 2x 28c256 + UPD7220(config, m_crtc, XTAL(16'257'000) / 2); // unknown clock m_crtc->set_addrmap(AS_PROGRAM, &deecoseal_state::crtc_map); m_crtc->set_screen("screen"); + m_crtc->set_display_pixels(FUNC(deecoseal_state::draw)); + + PALETTE(config, m_palette, palette_device::MONOCHROME); SCN2681(config, m_duart, XTAL(3'686'400)); // scn2692 - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); + screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD, rgb_t::amber)); screen.set_raw(XTAL(16'257'000), 848, 0, 640, 440, 0, 400); screen.set_screen_update(m_crtc, FUNC(upd7220_device::screen_update)); }