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(nw) qvt102: fixed crash on exit; moved attribute processing to outer loop for efficiency.

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This commit is contained in:
Robbbert 2018-11-18 12:31:08 +11:00
parent 48c0c4a269
commit 9e36dff17a
1 changed files with 18 additions and 18 deletions
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36
src/mame/drivers/qvt102.cpp
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@ -8,11 +8,12 @@
- Motorola 6800 CPU - Motorola 6800 CPU
- Hitachi HD46505 (Motorola 6845-compatible) CRTC - Hitachi HD46505 (Motorola 6845-compatible) CRTC
- Hitachi HD46850 (Motorola 6850-compatible) ACIA - Hitachi HD46850 (Motorola 6850-compatible) ACIA
- M58725P-15 (16k RAM) - M58725P-15 (6116-compatible) (2k x 8bit RAM)
- Zilog Z8430 CTC - Zilog Z8430 CTC
- 16.6698MHz Crystal - 16.6698MHz Crystal
- 2x TC5514-APL + 3V battery, functioning as NVRAM
Keyboard: D8748D, 6.000, Beeper Keyboard: D8748D, 6.000MHz Crystal, Beeper
Not sure what's going on here... the ACIA only has one serial channel, Not sure what's going on here... the ACIA only has one serial channel,
is it for the host, the printer, or the keyboard? is it for the host, the printer, or the keyboard?
@ -47,6 +48,7 @@ public:
, m_screen(*this, "screen") , m_screen(*this, "screen")
, m_gfxdecode(*this, "gfxdecode") , m_gfxdecode(*this, "gfxdecode")
, m_palette(*this, "palette") , m_palette(*this, "palette")
, m_nvram(*this, "nvram")
, m_p_videoram(*this, "videoram") , m_p_videoram(*this, "videoram")
, m_p_chargen(*this, "chargen") , m_p_chargen(*this, "chargen")
{ } { }
@ -64,6 +66,7 @@ private:
required_device<screen_device> m_screen; required_device<screen_device> m_screen;
required_device<gfxdecode_device> m_gfxdecode; required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette; required_device<palette_device> m_palette;
required_shared_ptr<uint8_t> m_nvram;
required_shared_ptr<uint8_t> m_p_videoram; required_shared_ptr<uint8_t> m_p_videoram;
required_region_ptr<u8> m_p_chargen; required_region_ptr<u8> m_p_chargen;
}; };
@ -99,23 +102,20 @@ MC6845_UPDATE_ROW( qvt102_state::crtc_update_row )
if (chr >= 0x90 && chr <= 0x9f) if (chr >= 0x90 && chr <= 0x9f)
attr = chr; attr = chr;
int half = BIT(chr, 7);
// apply attributes
if (BIT(attr, 2)) gfx = ~gfx; // reverse
if (BIT(attr, 1) && (m_screen->frame_number() & 32)) gfx = 0; // blink (frequency?)
if (BIT(attr, 0)) gfx = 0; // blank
if (BIT(attr, 3) && ra == 11) gfx = 0x1ff; // underline
// cursor active?
if (x == cursor_x) gfx = ~gfx;
// draw 9 pixels of the character // draw 9 pixels of the character
for (int i = 0; i < 9; i++) for (int i = 0; i < 9; i++)
{ bitmap.pix32(y, x*9 + (8-i)) = palette[BIT(gfx, i) ? 2 - half : 0];
int pixel = BIT(gfx, i);
int half = BIT(chr, 7);
// apply attributes
if (BIT(attr, 2)) pixel ^= 1; // reverse
if (BIT(attr, 1) && (m_screen->frame_number() & 32)) pixel ^= 1; // blink (frequency?)
if (BIT(attr, 0)) pixel = 0; // blank
if (BIT(attr, 3) && ra == 11) pixel = 1; // underline
// cursor active?
if (x == cursor_x) pixel ^= 1;
bitmap.pix32(y, x*9 + (8-i)) = palette[pixel ? 2 - half : 0];
}
} }
} }
@ -147,7 +147,7 @@ void qvt102_state::qvt102(machine_config &config)
m_screen->set_raw(MASTER_CLOCK, 882, 9, 729, 315, 0, 300); // 80x24+1 m_screen->set_raw(MASTER_CLOCK, 882, 9, 729, 315, 0, 300); // 80x24+1
m_screen->set_screen_update("crtc", FUNC(mc6845_device::screen_update)); m_screen->set_screen_update("crtc", FUNC(mc6845_device::screen_update));
PALETTE(config, m_palette, 2).set_init("palette", FUNC(palette_device::palette_init_monochrome_highlight)); PALETTE(config, m_palette, 3).set_init("palette", FUNC(palette_device::palette_init_monochrome_highlight));
GFXDECODE(config, m_gfxdecode, m_palette, chars); GFXDECODE(config, m_gfxdecode, m_palette, chars);
H46505(config, m_crtc, MASTER_CLOCK / 9); H46505(config, m_crtc, MASTER_CLOCK / 9);