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/***************************************************************************
Radio-86RK video driver by Miodrag Milanovic
06/03/2008 Preliminary driver.
****************************************************************************/
#include "emu.h"
#include "video/i8275.h"
#include "includes/radio86.h"
I8275_DISPLAY_PIXELS(radio86_display_pixels)
{
radio86_state *state = device->machine().driver_data<radio86_state>();
int i;
const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
const UINT8 *charmap = state->m_charmap;
UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff;
if (vsp) {
pixels = 0;
}
if (lten) {
pixels = 0xff;
}
if (rvv) {
pixels ^= 0xff;
}
for(i=0;i<6;i++) {
bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1 ? (hlgt ? 2 : 1) : 0];
}
}
I8275_DISPLAY_PIXELS(mikrosha_display_pixels)
{
radio86_state *state = device->machine().driver_data<radio86_state>();
int i;
const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
const UINT8 *charmap = state->m_charmap + (state->m_mikrosha_font_page & 1) * 0x400;
UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff;
if (vsp) {
pixels = 0;
}
if (lten) {
pixels = 0xff;
}
if (rvv) {
pixels ^= 0xff;
}
for(i=0;i<6;i++) {
bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1 ? (hlgt ? 2 : 1) : 0];
}
}
I8275_DISPLAY_PIXELS(apogee_display_pixels)
{
radio86_state *state = device->machine().driver_data<radio86_state>();
int i;
const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
const UINT8 *charmap = state->m_charmap + (gpa & 1) * 0x400;
UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff;
if (vsp) {
pixels = 0;
}
if (lten) {
pixels = 0xff;
}
if (rvv) {
pixels ^= 0xff;
}
for(i=0;i<6;i++) {
bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1 ? (hlgt ? 2 : 1) : 0];
}
}
I8275_DISPLAY_PIXELS(partner_display_pixels)
{
radio86_state *state = device->machine().driver_data<radio86_state>();
int i;
const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
const UINT8 *charmap = state->m_charmap + 0x400 * (gpa * 2 + hlgt);
UINT8 pixels = charmap[(linecount & 7) + (charcode << 3)] ^ 0xff;
if (vsp) {
pixels = 0;
}
if (lten) {
pixels = 0xff;
}
if (rvv) {
pixels ^= 0xff;
}
for(i=0;i<6;i++) {
bitmap.pix32(y, x + i) = palette[(pixels >> (5-i)) & 1];
}
}
static const rgb_t radio86_palette[3] = {
MAKE_RGB(0x00, 0x00, 0x00), // black
MAKE_RGB(0xa0, 0xa0, 0xa0), // white
MAKE_RGB(0xff, 0xff, 0xff) // highlight
};
PALETTE_INIT_MEMBER(radio86_state,radio86)
{
palette_set_colors(machine(), 0, radio86_palette, ARRAY_LENGTH(radio86_palette));
}
void radio86_state::video_start()
{
m_charmap = memregion("gfx1")->base();
}
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