/
catseye.cpp
1265 lines (1036 loc) · 27.7 KB
/
catseye.cpp
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// license:BSD-3-Clause
// copyright-holders:Sven Schnelle
#include "emu.h"
#include "catseye.h"
#define LOG_VRAM (LOG_GENERAL << 1)
#define LOG_REG (LOG_GENERAL << 2)
#define LOG_WMOVE (LOG_GENERAL << 3)
//#define VERBOSE (LOG_WMOVE|LOG_REG|LOG_GENERAL)
#include "logmacro.h"
DEFINE_DEVICE_TYPE(CATSEYE, catseye_device, "catseye", "HP Catseye ASIC")
catseye_device::catseye_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
device_t{mconfig, type, tag, owner, clock},
m_vram{*this, { "^vram_video", "^vram_overlay"}},
m_int_write_func{*this},
m_blink_timer{nullptr},
m_changed{false},
m_blink_state{false},
m_plane_mask_l{0},
m_plane_mask_h{0},
m_write_enable{0},
m_read_enable{0},
m_fb_enable{0},
m_display_enable{0},
m_blink_enable{0},
m_in_vblank{0},
m_wm_int_pending{0},
m_vblank_int_pending{0},
m_wm_int_enable{0},
m_vblank_int_enable{0},
m_rugsc{0},
m_misc{0},
m_wmx{0},
m_wmwidth{0},
m_wmheight{0},
m_wmsourcex{0},
m_wmsourcey{0},
m_wmdestx{0},
m_wmdesty{0},
m_wmclipleft{0},
m_wmclipright{0},
m_wmcliptop{0},
m_wmclipbottom{0},
m_patterns{{{0}}},
m_linepath{0},
m_linetype{0},
m_prr{0},
m_wrr{0},
m_trr{0},
m_trrctl{0},
m_color{0},
m_vb{0},
m_acntrl{0},
m_planemode{0},
m_status{0}
{
}
catseye_device::catseye_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
catseye_device(mconfig, CATSEYE, tag, owner, clock)
{
}
void catseye_device::device_start()
{
m_blink_timer = timer_alloc(FUNC(catseye_device::blink_callback), this);
m_blink_timer->adjust(attotime::from_hz(3));
save_item(NAME(m_changed));
save_item(NAME(m_blink_state));
save_item(NAME(m_write_enable), 2);
save_item(NAME(m_read_enable), 2);
save_item(NAME(m_fb_enable), 2);
save_item(NAME(m_display_enable));
save_item(NAME(m_blink_enable));
save_item(NAME(m_sync_enable));
save_item(NAME(m_in_vblank));
save_item(NAME(m_wm_int_pending));
save_item(NAME(m_wm_int_enable));
save_item(NAME(m_vblank_int_enable));
save_item(NAME(m_vblank_int_pending));
save_item(NAME(m_rugsc));
save_item(NAME(m_misc));
save_item(NAME(m_wmx));
save_item(NAME(m_wmwidth));
save_item(NAME(m_wmheight));
save_item(NAME(m_wmsourcex));
save_item(NAME(m_wmsourcey));
save_item(NAME(m_wmdestx));
save_item(NAME(m_wmdesty));
save_item(NAME(m_wmclipleft));
save_item(NAME(m_wmclipright));
save_item(NAME(m_wmcliptop));
save_item(NAME(m_wmclipbottom));
save_item(NAME(m_patterns));
save_item(NAME(m_linepath));
save_item(NAME(m_linetype));
save_item(NAME(m_prr), 2);
save_item(NAME(m_wrr), 2);
save_item(NAME(m_trr), 2);
save_item(NAME(m_trrctl), 2);
save_item(NAME(m_color), 2);
save_item(NAME(m_vb), 2);
save_item(NAME(m_acntrl));
save_item(NAME(m_planemode), 2);
save_item(NAME(m_status));
}
void catseye_device::device_reset()
{
LOG("%s\n", __func__);
for (int i = 0; i < 2; i++) {
m_read_enable[i] = 0;
m_write_enable[i] = 0;
m_fb_enable[i] = 0;
m_prr[i] = 0;
m_wrr[i] = 0;
m_trr[i] = 0;
m_trrctl[i] = 0;
m_color[i] = 0;
m_vb[i] = 0;
m_planemode[i] = 0;
std::fill(m_patterns[i].begin(), m_patterns[i].end(), 0);
}
m_acntrl = 0;
m_blink_enable = 0;
m_display_enable = m_plane_mask_h;
m_rugsc = 0;
m_wmwidth = 0;
m_wmheight = 0;
m_wmsourcex = 0;
m_wmsourcey = 0;
m_wmdestx = 0;
m_wmdesty = 0;
m_wmclipleft = 0;
m_wmclipright = 0;
m_wmcliptop = 0;
m_wmclipbottom = 0;
m_linepath = 0;
m_linetype = 0;
}
void catseye_device::update_int()
{
LOG("%s: pending %d, enabled %d\n", __func__, m_wm_int_pending, m_wm_int_enable);
if ((m_wm_int_enable && m_wm_int_pending ) ||
(m_vblank_int_enable && m_vblank_int_pending))
m_int_write_func(m_plane);
else
m_int_write_func(0);
}
TIMER_CALLBACK_MEMBER(catseye_device::blink_callback)
{
m_blink_timer->adjust(attotime::from_hz(5));
m_blink_state ^= true;
m_changed = true;
}
void catseye_device::execute_rule(const bool src, const int rule, bool &dst) const
{
switch (rule & 0x0f) {
case CATSEYE_REPLACE_RULE_CLEAR:
dst = false;
break;
case CATSEYE_REPLACE_RULE_SRC_AND_DST:
dst &= src;
break;
case CATSEYE_REPLACE_RULE_SRC_AND_NOT_DST:
dst = !dst & src;
break;
case CATSEYE_REPLACE_RULE_SRC:
dst = src;
break;
case CATSEYE_REPLACE_RULE_NOT_SRC_AND_DST:
dst &= !src;
break;
case CATSEYE_REPLACE_RULE_NOP:
break;
case CATSEYE_REPLACE_RULE_SRC_XOR_DST:
dst ^= src;
break;
case CATSEYE_REPLACE_RULE_SRC_OR_DST:
dst |= src;
break;
case CATSEYE_REPLACE_RULE_NOT_SRC_AND_NOT_DST:
dst = !dst & !src;
break;
case CATSEYE_REPLACE_RULE_NOT_SRC_XOR_DST:
dst ^= !src;
break;
case CATSEYE_REPLACE_RULE_NOT_DST:
dst ^= true;
break;
case CATSEYE_REPLACE_RULE_SRC_OR_NOT_DST:
dst = src | !dst;
break;
case CATSEYE_REPLACE_RULE_NOT_SRC:
dst = !src;
break;
case CATSEYE_REPLACE_RULE_NOT_SRC_OR_DST:
dst |= !src;
break;
case CATSEYE_REPLACE_RULE_NOT_SRC_OR_NOT_DST:
dst = !src | !dst;
break;
case CATSEYE_REPLACE_RULE_SET:
dst = true;
break;
}
}
template<int Idx>
void catseye_device::window_move()
{
if (!m_fb_enable[Idx])
return;
LOGMASKED(LOG_WMOVE, "%s%d: %3ux%3u -> %3ux%3u / %3ux%3u planemode %04x wrr %04x, trr %04x m_trrctl %04x acntr %04x\n",
__func__, Idx, m_wmsourcex, m_wmsourcey, m_wmdestx, m_wmdesty, m_wmwidth, m_wmheight, m_planemode[Idx],
m_wrr[Idx], m_trr[Idx], m_trrctl[Idx], m_acntrl);
int line, endline, lineincr;
if (m_wmdesty > m_wmsourcey) {
/* move down */
line = m_wmheight-1;
endline = -1;
lineincr = -1;
} else {
/* move up */
line = 0;
endline = m_wmheight;
lineincr = 1;
}
int startcolumn, endcolumn, columnincr;
if (m_wmdestx > m_wmsourcex) {
/* move right */
startcolumn = m_wmwidth-1;
endcolumn = -1;
columnincr = -1;
} else {
/* move left */
startcolumn = 0;
endcolumn = m_wmwidth;
columnincr = 1;
}
for ( ; line != endline; line += lineincr) {
for (int column = startcolumn; column != endcolumn; column += columnincr) {
const int sx = m_wmsourcex + column;
const int sy = m_wmsourcey + line;
const int dx = m_wmdestx + column;
const int dy = m_wmdesty + line;
if ((m_misc & CATSEYE_MISC_ENABLE_CLIP) &&
(dy < m_wmcliptop ||
(dy > m_wmclipbottom) ||
(dx < m_wmclipleft) ||
(dx > m_wmclipright))) {
continue;
}
bool dst = false;
if (m_trrctl[Idx] & 0x0100) {
bool bit = m_patterns[Idx][(m_plane << 4) | (dy & 0xf)] & (1 << (dx & 0xf));
switch (m_trr[Idx] >> 8) {
case 0xf0:
dst = bit;
break;
default:
logerror("%s: unknown trr %02x\n", __func__, m_trr[Idx] >> 8);
break;
}
} else {
bool const src = get_vram_pixel_plane<Idx>(sx, sy);
dst = get_vram_pixel<Idx>(dx, dy);
execute_rule(src, m_wrr[Idx] & 0x0f, dst);
}
modify_vram<Idx>(dx, dy, dst);
}
}
}
template<int Idx>
void catseye_device::draw_pixel(int x, int y, int color)
{
if ((m_misc & CATSEYE_MISC_ENABLE_CLIP) &&
(x < m_wmclipleft ||
x > m_wmclipright ||
y < m_wmcliptop ||
y > m_wmclipbottom))
return;
bool src = color & m_plane_mask_l;
bool dst = get_vram_pixel<Idx>(x, y);
execute_rule(src, (m_prr[Idx] >> 8) & 0x0f, dst);
modify_vram<Idx>(x, y, dst);
m_status |= CATSEYE_STATUS_UNCLIPPED;
}
template<int Idx>
void catseye_device::draw_line()
{
const int color = m_color[Idx] >> 8;
int x1 = m_wmsourcex;
int y1 = m_wmsourcey;
int x2 = m_wmdestx;
int y2 = m_wmdesty;
int dx, dy, t, e, x, y, incy, diago, horiz;
bool c1;
LOGMASKED(LOG_WMOVE, "%s%d %dx%d -> %dx%d, color %d\n",
__func__, Idx, m_wmsourcex, m_wmsourcey, m_wmdestx, m_wmdesty, color);
c1 = false;
incy = 1;
if (x2 > x1)
dx = x2 - x1;
else
dx = x1 - x2;
if (y2 > y1)
dy = y2 - y1;
else
dy = y1 - y2;
if (dy > dx) {
t = y2;
y2 = x2;
x2 = t;
t = y1;
y1 = x1;
x1 = t;
t = dx;
dx = dy;
dy = t;
c1 = true;
}
if (x1 > x2) {
t = y2;
y2 = y1;
y1 = t;
t = x1;
x1 = x2;
x2 = t;
}
horiz = dy << 1;
diago = (dy - dx) << 1;
e = (dy << 1) - dx;
if (y1 <= y2)
incy = 1;
else
incy = -1;
x = x1;
y = y1;
if (c1) {
do {
draw_pixel<Idx>(y, x, color);
if (e > 0) {
y += incy;
e += diago;
} else {
e += horiz;
}
x++;
} while (x <= x2);
} else {
do {
draw_pixel<Idx>(x, y, color);
if (e > 0) {
y += incy;
e += diago;
} else {
e += horiz;
}
x++;
} while (x <= x2);
}
}
template<int Idx>
void catseye_device::trigger_wm()
{
if (!m_fb_enable[Idx])
return;
if ((m_vb[Idx] & CATSEYE_VB_VECTOR) && (m_rugsc == 0x10))
draw_line<Idx>();
else if (m_rugsc == 0x90)
window_move<Idx>();
else
logerror("%s: unsupported rugcmd: %04x vb %04x\n", __func__, m_rugsc, m_vb[Idx]);
}
template<int Idx>
u16 catseye_device::vram_r_bit(offs_t offset)
{
u16 ret = 0;
offset &= ~0x7;
for (int i = 0; i < 16; i++)
ret |= get_vram_offset_plane<Idx>(offset * 2 + 15 - i) ? (1 << i) : 0;
return ret;
}
template<int Idx>
u16 catseye_device::vram_r_word(offs_t offset, u16 mem_mask)
{
u16 ret = 0;
if (mem_mask & m_plane_mask_l)
ret |= get_vram_offset<Idx>(offset * 2 + 1);
if (mem_mask & m_plane_mask_h)
ret |= get_vram_offset<Idx>(offset * 2) << 8;
return ret;
}
template<int Idx>
u16 catseye_device::vram_r(offs_t offset, u16 mem_mask)
{
if (m_acntrl & 0x100)
return vram_r_bit<Idx>(offset);
else
return vram_r_word<Idx>(offset, mem_mask);
}
uint16_t catseye_device::vram_r(offs_t offset, uint16_t mem_mask)
{
uint16_t ret = 0;
if (m_acntrl & 0x200)
ret = vram_r<VRAM_OVERLAY_PLANE>(offset, mem_mask);
else
ret = vram_r<VRAM_VIDEO_PLANE>(offset, mem_mask);
LOGMASKED(LOG_VRAM, "%s: %04x: %04x(%04x)\n", __func__, offset << 1, ret, mem_mask);
return ret;
}
template<int Idx>
void catseye_device::vram_w_bit(offs_t offset, u16 data, u16 mem_mask)
{
offset &= ~0x7;
for (int i = 0; i < 16; i++) {
const int bit = (1 << i);
if (!(mem_mask & bit))
continue;
bool dst = get_vram_offset<Idx>(offset * 2 + 15 - i);
execute_rule(data & bit, (m_prr[Idx] >> 8) & 0x0f, dst);
modify_vram_offset<Idx>(offset * 2 + 15 - i, dst);
}
}
template<int Idx>
void catseye_device::vram_w_word(offs_t offset, u16 data, u16 mem_mask)
{
if (mem_mask & m_plane_mask_l) {
const bool src = data & m_plane_mask_l;
bool dst = get_vram_offset<Idx>(offset * 2 + 1);
execute_rule(src, (m_prr[Idx] >> 8) & 0x0f, dst);
modify_vram_offset<Idx>(offset * 2 + 1, dst);
}
if (mem_mask & m_plane_mask_h) {
const bool src = data & m_plane_mask_h;
bool dst = get_vram_offset<Idx>(offset * 2);
execute_rule(src, (m_prr[Idx] >> 8) & 0x0f, dst);
modify_vram_offset<Idx>(offset * 2, dst);
}
}
template<int Idx>
void catseye_device::vram_w(offs_t offset, u16 data, u16 mem_mask)
{
if (m_acntrl & 0x100)
vram_w_bit<Idx>(offset, data, mem_mask);
else
vram_w_word<Idx>(offset, data, mem_mask);
}
void catseye_device::vram_w(offs_t offset, u16 data, u16 mem_mask)
{
LOGMASKED(LOG_VRAM, "%s: %04x: %04x(%04x)\n", __func__, offset << 1, data, mem_mask);
if (m_fb_enable[0])
vram_w<VRAM_VIDEO_PLANE>(offset, data, mem_mask);
if (m_fb_enable[1])
vram_w<VRAM_OVERLAY_PLANE>(offset, data, mem_mask);
}
void catseye_device::ctrl_w(offs_t offset, u16 data, u16 mem_mask)
{
bool trigger = false;
if (m_write_enable[0] && offset >= 0x200 && offset < 0x280) {
COMBINE_DATA(&m_patterns[0][offset - 0x200]);
LOGMASKED(LOG_REG, "W PATTERNS1[%03d] = %04x\n", offset - 0x200, m_patterns[0][offset - 0x200]);
return;
}
if (m_write_enable[1] && offset >= 0x300 && offset < 0x380) {
COMBINE_DATA(&m_patterns[1][offset - 0x300]);
LOGMASKED(LOG_REG, "W PATTERNS2[%03d] = %04x\n", offset - 0x300, m_patterns[1][offset - 0x300]);
return;
}
switch(offset) {
case TOPCAT_REG_ENABLE_BLINK_PLANES:
if (mem_mask & 0xff00)
m_blink_enable = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "enable blink plane: %04x\n", m_blink_enable);
break;
case TOPCAT_REG_DISPLAY_PLANE_ENABLE:
if (mem_mask & 0xff00)
m_display_enable = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "display enable %04x\n", m_display_enable);
break;
case TOPCAT_REG_SYNC_ENABLE:
if (mem_mask & 0xff00)
m_sync_enable = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "sync enable: %04x\n", m_sync_enable);
break;
case TOPCAT_REG_WMOVE_INTRQ:
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMOVE_INTRQ = %04x\n", data);
m_wm_int_pending = 0;
update_int();
break;
case TOPCAT_REG_WMOVE_IE:
if (mem_mask & 0xff00)
m_wm_int_enable = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMOVE_IE = %04x\n", m_wm_int_enable);
update_int();
break;
case TOPCAT_REG_VBLANK_IE:
if (mem_mask & 0xff00)
m_vblank_int_enable = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMOVE_IE = %04x\n", m_vblank_int_enable);
update_int();
break;
case CATSEYE_REG_WMX:
COMBINE_DATA(&m_wmx);
COMBINE_DATA(&m_wmsourcex);
COMBINE_DATA(&m_wmdestx);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMX = %04x\n", m_wmx);
break;
case CATSEYE_REG_RUG_SC:
COMBINE_DATA(&m_rugsc);
LOGMASKED(LOG_REG, "W CATSEYE_REG_RUG_SC = %04x\n", m_rugsc);
break;
case TOPCAT_REG_WMWIDTH:
case CATSEYE_REG_WMWIDTH:
COMBINE_DATA(&m_wmwidth);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMWIDTH = %04x\n", m_wmwidth);
break;
case TOPCAT_REG_WMHEIGHT:
case CATSEYE_REG_WMHEIGHT:
COMBINE_DATA(&m_wmheight);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMHEIGHT = %04x\n", m_wmheight);
break;
case CATSEYE_REG_LINEPATH:
COMBINE_DATA(&m_linepath);
LOGMASKED(LOG_REG, "W CATSEYE_REG_LINEPATH = %04x\n", m_linepath);
break;
case CATSEYE_REG_LINETYPE:
COMBINE_DATA(&m_linetype);
LOGMASKED(LOG_REG, "W CATSEYE_REG_LINETYPE = %04x\n", m_linetype);
break;
case TOPCAT_REG_WMSOURCEX:
case CATSEYE_REG_WMSOURCEX:
COMBINE_DATA(&m_wmsourcex);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMSOURCEX = %04x\n", m_wmsourcex);
break;
case TOPCAT_REG_WMSOURCEY:
case CATSEYE_REG_WMSOURCEY:
COMBINE_DATA(&m_wmsourcey);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMSOURCEY = %04x\n", m_wmsourcey);
break;
case TOPCAT_REG_WMDESTX:
case CATSEYE_REG_WMDESTX:
COMBINE_DATA(&m_wmdestx);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMDESTX = %04x\n", m_wmdestx);
break;
case TOPCAT_REG_WMDESTY:
case CATSEYE_REG_WMDESTY:
COMBINE_DATA(&m_wmdesty);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMDESTY = %04x\n", m_wmdesty);
break;
case CATSEYE_REG_WMCLIPLEFT:
COMBINE_DATA(&m_wmclipleft);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMCLIPLEFT = %04x\n", m_wmclipleft);
break;
case CATSEYE_REG_WMCLIPRIGHT:
COMBINE_DATA(&m_wmclipright);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMCLIPRIGHT = %04x\n", m_wmclipright);
break;
case CATSEYE_REG_WMCLIPTOP:
COMBINE_DATA(&m_wmcliptop);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMCLIPTOP = %04x\n", m_wmcliptop);
break;
case CATSEYE_REG_WMCLIPBOTTOM:
COMBINE_DATA(&m_wmclipbottom);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WMCLIPBOTTOM = %04x\n", m_wmclipbottom);
break;
case CATSEYE_REG_TWMWIDTH:
COMBINE_DATA(&m_wmwidth);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TWMWIDTH = %04x\n", m_wmwidth);
trigger = true;
break;
case CATSEYE_REG_TWMHEIGHT:
COMBINE_DATA(&m_wmheight);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TWMHEIGHT = %04x\n", m_wmheight);
trigger = true;
break;
case CATSEYE_REG_TWMSOURCEX:
COMBINE_DATA(&m_wmsourcex);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TWMSOURCEX = %04x\n", m_wmsourcex);
trigger = true;
break;
case CATSEYE_REG_TWMSOURCEY:
COMBINE_DATA(&m_wmsourcey);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TWMSOURCEY = %04x\n", m_wmsourcey);
trigger = true;
break;
case CATSEYE_REG_TWMDESTX:
COMBINE_DATA(&m_wmdestx);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TWMDESTX = %04x\n", m_wmdestx);
trigger = true;
break;
case CATSEYE_REG_TWMDESTY:
COMBINE_DATA(&m_wmdesty);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TWMDESTY = %04x\n", m_wmdesty);
trigger = true;
break;
case TOPCAT_REG_START_WMOVE:
if (m_write_enable[0]) {
LOGMASKED(LOG_REG, "W TOPCAT_REG_START_WMOVE = %04x\n", data);
window_move<0>();
if (m_wm_int_enable) {
m_wm_int_pending = m_plane_mask_h;
update_int();
}
}
break;
case CATSEYE_REG_STATUS:
COMBINE_DATA(&m_status);
LOGMASKED(LOG_REG, "W CATSEYE_REG_STATUS = %04x\n", m_status);
break;
case CATSEYE_REG_STATUS+1:
case CATSEYE_REG_STATUS+2:
// unknown
break;
// TC 1 registers
case TOPCAT_REG_READ_ENABLE_PLANE:
case CATSEYE_REG_TCREN1:
if (mem_mask & m_plane_mask_h)
m_read_enable[0] = data & m_plane_mask_l;
LOGMASKED(LOG_REG, "W CATSEYE_REG_READ_ENABLE1 = %04x\n", m_read_enable[0]);
break;
case TOPCAT_REG_WRITE_ENABLE_PLANE:
case CATSEYE_REG_TCWEN1:
if (mem_mask & m_plane_mask_h)
m_write_enable[0] = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_WRITE_ENABLE1 = %04x\n", m_write_enable[0]);
break;
case TOPCAT_REG_FB_WRITE_ENABLE:
case CATSEYE_REG_FBEN1:
if (mem_mask & m_plane_mask_h)
m_fb_enable[0] = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_FBEN1 = %04x\n", m_fb_enable[0]);
break;
case TOPCAT_REG_PRR:
case CATSEYE_REG_PRR1:
if (!m_write_enable[0])
break;
COMBINE_DATA(&m_prr[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_PRR1 = %04x\n", m_prr[0]);
break;
case TOPCAT_REG_WRR:
case CATSEYE_REG_WRR1:
if (!m_write_enable[0])
break;
COMBINE_DATA(&m_wrr[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WRR1 = %04x\n", m_wrr[0]);
break;
case CATSEYE_REG_TRR1:
if (!m_write_enable[0])
break;
COMBINE_DATA(&m_trr[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TRR1 = %04x\n", m_trr[0]);
break;
case CATSEYE_REG_VB1:
if (!m_write_enable[0])
break;
COMBINE_DATA(&m_vb[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_VB1 = %04x\n", m_vb[0]);
break;
case CATSEYE_REG_COLOR1:
COMBINE_DATA(&m_color[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_COLOR1 = %04x\n", m_color[0]);
break;
case CATSEYE_REG_TRRCTL1:
if (!m_write_enable[0])
break;
COMBINE_DATA(&m_trrctl[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TRRCTL1 = %04x\n", m_trrctl[0]);
break;
case CATSEYE_REG_ACNTL1:
if (!m_write_enable[0])
break;
COMBINE_DATA(&m_acntrl);
LOGMASKED(LOG_REG, "W CATSEYE_REG_ACNTL1 = %04x\n", m_acntrl);
break;
case CATSEYE_REG_PLANEMODE1:
COMBINE_DATA(&m_planemode[0]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_PLANEMODE1 = %04x\n", m_planemode[0]);
break;
// TC 2 registers
case CATSEYE_REG_TCREN2:
if (mem_mask & 0xff00)
m_read_enable[1] = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_READ_ENABLE2 = %04x\n", m_read_enable[1]);
break;
case CATSEYE_REG_TCWEN2:
if (mem_mask & 0xff00)
m_write_enable[1] = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_READ_ENABLE2 = %04x\n", m_write_enable[1]);
break;
case CATSEYE_REG_FBEN2:
if (mem_mask & 0xff00)
m_fb_enable[1] = data & m_plane_mask_h;
LOGMASKED(LOG_REG, "W CATSEYE_REG_READ_ENABLE2 = %04x\n", m_fb_enable[1]);
break;
case CATSEYE_REG_PRR2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_prr[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_PRR2 = %04x\n", m_prr[1]);
break;
case CATSEYE_REG_WRR2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_wrr[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_WRR2 = %04x\n", m_wrr[1]);
break;
case CATSEYE_REG_TRR2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_trr[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TRR2 = %04x\n", m_trr[1]);
break;
case CATSEYE_REG_VB2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_vb[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_VB2 = %04x\n", m_vb[1]);
break;
case CATSEYE_REG_COLOR2:
COMBINE_DATA(&m_color[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_COLOR2 = %04x\n", m_color[1]);
break;
case CATSEYE_REG_TRRCTL2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_trrctl[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_TRRCTL2 = %04x\n", m_trrctl[1]);
break;
case CATSEYE_REG_ACNTL2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_acntrl);
LOGMASKED(LOG_REG, "W CATSEYE_REG_ACNTL2 = %04x\n", m_acntrl);
break;
case CATSEYE_REG_PLANEMODE2:
if (!m_write_enable[1])
break;
COMBINE_DATA(&m_planemode[1]);
LOGMASKED(LOG_REG, "W CATSEYE_REG_PLANEMODE2 = %04x\n", m_planemode[1]);
break;
case CATSEYE_REG_RUG_REV:
COMBINE_DATA(&m_misc);
LOGMASKED(LOG_REG, "W CATSEYE_REG_MISC = %04x\n", m_misc);
break;
default:
logerror("%s: unknown: %04x = %04x (mask %04x)\n", __func__, offset << 1, data, mem_mask);
return;
}
if (m_fb_enable[0] && trigger)
trigger_wm<VRAM_VIDEO_PLANE>();
if (m_fb_enable[1] && trigger)
trigger_wm<VRAM_OVERLAY_PLANE>();
}
uint16_t catseye_device::ctrl_r(address_space &space, offs_t offset, uint16_t mem_mask)
{
uint16_t ret;
if (offset >= 0x200 && offset < 0x280) {
LOGMASKED(LOG_REG, "R PATTERNS1[%03d] = %04x\n", offset - 0x200, m_patterns[0][offset - 0x200]);
return m_patterns[0][offset - 0x200];
}
if (offset >= 0x300 && offset < 0x380) {
LOGMASKED(LOG_REG, "R PATTERNS2[%03d] = %04x\n", offset - 0x300, m_patterns[1][offset - 0x300]);
return m_patterns[1][offset - 0x300];
}
switch(offset) {
case TOPCAT_REG_WMOVE_ACTIVE:
ret = 0;
break;
case TOPCAT_REG_ENABLE_BLINK_PLANES:
ret = m_blink_enable;
break;
case TOPCAT_REG_SYNC_ENABLE:
ret = m_sync_enable;
break;
case TOPCAT_REG_DISPLAY_PLANE_ENABLE:
ret = m_display_enable;
break;
case TOPCAT_REG_VBLANK:
ret = m_in_vblank;
LOGMASKED(LOG_REG, "R VBLANK = %04x\n", ret);
break;
case TOPCAT_REG_WMOVE_INTRQ:
ret = m_wm_int_pending;
LOGMASKED(LOG_REG, "R WMOVE_INTRQ = %04x\n", ret);
break;
case TOPCAT_REG_VBLANK_INTRQ:
ret = m_vblank_int_pending;
LOGMASKED(LOG_REG, "R VBLANK_INTRQ = %04x\n", ret);
break;
case TOPCAT_REG_WMOVE_IE:
ret = m_wm_int_enable;
LOGMASKED(LOG_REG, "R WMOVE_IE = %04x\n", ret);
break;
case TOPCAT_REG_VBLANK_IE:
ret = m_vblank_int_enable;
LOGMASKED(LOG_REG, "R VBLANK_IE = %04x\n", ret);
break;
case CATSEYE_REG_RUG_SC:
ret = m_rugsc;
LOGMASKED(LOG_REG, "R CATSEYE_REG_RUG_SC = %04x\n", ret);
break;
case TOPCAT_REG_WMWIDTH:
case CATSEYE_REG_WMWIDTH:
ret = m_wmwidth;
LOGMASKED(LOG_REG, "R CATSEYE_REG_WMWIDTH = %04x\n", ret);
break;
case TOPCAT_REG_WMHEIGHT:
case CATSEYE_REG_WMHEIGHT:
ret = m_wmheight;
LOGMASKED(LOG_REG, "R CATSEYE_REG_WMHEIGHT = %04x\n", ret);
break;
case CATSEYE_REG_LINEPATH:
ret = m_linepath;
LOGMASKED(LOG_REG, "R CATSEYE_REG_LINEPATH = %04x\n", ret);
break;
case CATSEYE_REG_LINETYPE:
ret = m_linetype;
LOGMASKED(LOG_REG, "R CATSEYE_REG_LINETYPE = %04x\n", ret);
break;
case TOPCAT_REG_WMSOURCEX:
case CATSEYE_REG_WMSOURCEX:
ret = m_wmsourcex;
LOGMASKED(LOG_REG, "R CATSEYE_REG_WMSOURCEX = %04x\n", ret);
break;
case TOPCAT_REG_WMSOURCEY:
case CATSEYE_REG_WMSOURCEY:
ret = m_wmsourcey;
LOGMASKED(LOG_REG, "R CATSEYE_REG_WMSOURCEY = %04x\n", ret);
break;
case TOPCAT_REG_WMDESTX:
case CATSEYE_REG_WMDESTX:
ret = m_wmdestx;