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capcom/alien.cpp: decode charset uploaded to VRAM

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hash/ibm5170.xml: recify QA for moneynet
This commit is contained in:
angelosa 2023-08-19 20:14:51 +02:00
parent 36f5b6e3be
commit a37249eb62
2 changed files with 68 additions and 7 deletions
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3
hash/ibm5170.xml
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@ -8602,7 +8602,8 @@ license:CC0-1.0
<year>1994</year>
<publisher>Reuters</publisher>
<notes><![CDATA[
Punts with a "Severe" error message at start of install operation
win95/win98: Punts with a "Severe" error message at start of install operation (broken version check)
Missing [modem] features, assume requiring a connection to a Reuters device such as sk101bl
]]></notes>
<info name="version" value="2.0R3" />
<part name="flop1" interface="floppy_3_5">

72
src/mame/capcom/alien.cpp
View File

@ -84,8 +84,9 @@ class alien_state : public driver_device
{
public:
alien_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu")
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_vram(*this, "vram%d", 0U)
{ }
void alien(machine_config &config);
@ -101,6 +102,7 @@ private:
// devices
required_device<cpu_device> m_maincpu;
required_shared_ptr_array<uint64_t, 2> m_vram;
// driver_device overrides
virtual void machine_reset() override;
@ -108,7 +110,64 @@ private:
u32 alien_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
// mariojjl / mmaruchan has two RGB555 charsets at $36d80 & $150600 (pitch=128)
// pingu has one at $96000
// all Medalusion games also loads up a display list at $780000, which references above and
// (presumably) do clipped ROP transfers to whatever the framebuffer VRAM is.
#if 0
static int m_test_x = 128, m_test_y = 256, m_start_offs;
if(machine().input().code_pressed(KEYCODE_Z))
m_test_x+=4;
if(machine().input().code_pressed(KEYCODE_X))
m_test_x-=4;
if(machine().input().code_pressed(KEYCODE_A))
m_test_y++;
if(machine().input().code_pressed(KEYCODE_S))
m_test_y--;
if(machine().input().code_pressed(KEYCODE_Q))
m_start_offs+=0x2000;
if(machine().input().code_pressed(KEYCODE_W))
m_start_offs-=0x2000;
if(machine().input().code_pressed_once(KEYCODE_E))
m_start_offs+=0x1000;
if(machine().input().code_pressed_once(KEYCODE_R))
m_start_offs-=0x1000;
popmessage("%d %d %04x", m_test_x, m_test_y, m_start_offs);
bitmap.fill(0, cliprect);
int count = m_start_offs / 8;
for(int y = 0; y < m_test_y; y++)
{
for(int x = 0; x < m_test_x; x += 4)
{
for (int xi = 0; xi < 4; xi ++)
{
uint16_t color = (m_vram[0][count] >> (xi * 16)) & 0xffff;
u8 r = pal5bit((color >> 0) & 0x1f);
u8 g = pal5bit((color >> 5) & 0x1f);
u8 b = pal5bit((color >> 10) & 0x1f);
if(cliprect.contains(x + xi, y))
bitmap.pix(y, x + xi) = (r << 16) | (g << 8) | b;
}
count ++;
}
}
return 0;
#endif
}
u8 alien_state::fpga_r()
@ -125,10 +184,11 @@ void alien_state::alien_map(address_map &map)
map(0x04a00000, 0x04a00007).nopw(); // FPGA config
map(0x08000000, 0x08000007).portr("DSW");
map(0x0c000000, 0x0cffffff).ram(); // main RAM
map(0x10000000, 0x107fffff).ram().share("vram1"); // GPU 1 VRAM
map(0x11fc0000, 0x11ffffff).ram().share("vregs1"); // GPU 1 regs
//map(0x12000000, 0x127fffff).ram(); // GPU 2 VRAM
//map(0x13fc0000, 0x13ffffff).ram(); // GPU 2 regs
// TODO: convert to MB86292 devices
map(0x10000000, 0x107fffff).ram().share(m_vram[0]); // GPU 1 VRAM
map(0x11fc0000, 0x11ffffff).ram().share("vregs1"); // GPU 1 regs
map(0x12000000, 0x127fffff).ram().share(m_vram[1]); // GPU 2 VRAM
map(0x13fc0000, 0x13ffffff).ram().share("vregs2"); // GPU 2 regs
//map(0x18000000, 0x1800000f).r(FUNC(alien_state::test_r)).nopw(); // Alien CF ATA, other games have it other way
}