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zeus2: Added SGRAM register detail (nw)

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This commit is contained in:
Ted Green 2016-06-19 08:28:04 -06:00
parent e2bdb5ea34
commit 44bcfc478d
2 changed files with 20 additions and 24 deletions
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38
src/devices/video/zeus2.cpp
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@ -98,10 +98,8 @@ void zeus2_device::device_start()
save_item(NAME(zeus_matrix));
save_item(NAME(zeus_point));
save_item(NAME(zeus_texbase));
save_item(NAME(m_fill_dark_color));
save_item(NAME(m_fill_dark_depth));
save_item(NAME(m_fill_light_color));
save_item(NAME(m_fill_light_depth));
save_item(NAME(m_fill_color));
save_item(NAME(m_fill_depth));
}
void zeus2_device::device_reset()
@ -113,10 +111,8 @@ void zeus2_device::device_reset()
texel_width = 256;
zeus_renderbase = waveram[1];
zeus_fifo_words = 0;
m_fill_dark_color = 0;
m_fill_dark_depth = 0;
m_fill_light_color = 0;
m_fill_light_depth = 0;
m_fill_color = 0;
m_fill_depth = 0;
}
void zeus2_device::device_stop()
@ -503,14 +499,18 @@ void zeus2_device::zeus2_register_update(offs_t offset, UINT32 oldval, int logit
case 0x50:
if (m_zeusbase[0x50] == 0x00510000) {
// Set ram info???
if (m_zeusbase[0x51] == 0x00400000) {
m_fill_dark_color = m_zeusbase[0x58];
m_fill_dark_depth = m_zeusbase[0x5a] & 0xffff;
// SGRAM Special Mode Register Write
if (m_zeusbase[0x51] & 0x00400000) {
// SGRAM Mask Register
if ((m_zeusbase[0x58] & m_zeusbase[0x59] & m_zeusbase[0x5a]) != 0xffffffff)
logerror("zeus2_register_update: Warning! Mask Register not equal to 0xffffffff\n");
}
if (m_zeusbase[0x51] == 0x00200000) {
m_fill_light_color = m_zeusbase[0x58];
m_fill_light_depth = m_zeusbase[0x5a] & 0xffff;
if (m_zeusbase[0x51] & 0x00200000) {
// SGRAM Color Register
m_fill_color = m_zeusbase[0x58];
m_fill_depth = m_zeusbase[0x5a] & 0xffff;
if (m_zeusbase[0x58] != m_zeusbase[0x59])
logerror("zeus2_register_update: Warning! Different fill colors are set.\n");
}
}
else if (1 && (m_zeusbase[0x50] & 0x00080000) && (m_zeusbase[0x50] & 0xffff)) {
@ -522,17 +522,15 @@ void zeus2_device::zeus2_register_update(offs_t offset, UINT32 oldval, int logit
//UINT32 lastRow = (((m_zeusbase[0x50] >> 8) & 0xff) << 3) | 0x7;
UINT32 lastRow = (((m_zeusbase[0x50] >> 8) & 0xff) << 3) | 0x3;
UINT32 lastCol = (((m_zeusbase[0x50] >> 0) & 0xff) << 2) | 0x3;
UINT32 fillColor = m_fill_dark_color; // Not sure how to select
UINT16 fillDepth = m_fill_dark_depth; // Not sure how to select
// Not sure how to select
//void *base = waveram1_ptr_from_expanded_addr(m_zeusbase[0x51]);
void *base = (m_zeusbase[0x50] & 0x800000) ? waveram1_ptr_from_expanded_addr(m_zeusbase[0x51]) : zeus_renderbase;
for (int y = 0; y <= lastRow; y++)
for (int x = 0; x <= lastCol; x++) {
WAVERAM_WRITEPIX(base, y, x, fillColor);
WAVERAM_WRITEDEPTH(base, y, x, fillDepth);
WAVERAM_WRITEPIX(base, y, x, m_fill_color);
WAVERAM_WRITEDEPTH(base, y, x, m_fill_depth);
}
//waveram_plot_depth(y, x, fillColor, fillDepth);
//waveram_plot_depth(y, x, m_fill_color, m_fill_depth);
}
else if ((m_zeusbase[0x5e] >> 16) != 0xF208) {
/* If 0x5e==0xf20a0000 (atlantis) or 0xf20d0000 (the grid) then process the read/write now */

6
src/devices/video/zeus2.h
View File

@ -171,10 +171,8 @@ private:
UINT32 zeus_fifo[20];
UINT8 zeus_fifo_words;
UINT32 m_fill_dark_color;
UINT16 m_fill_dark_depth;
UINT32 m_fill_light_color;
UINT16 m_fill_light_depth;
UINT32 m_fill_color;
UINT16 m_fill_depth;
#if TRACK_REG_USAGE
struct reg_info