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hp9845: implemented correct aspect of alpha & graphic video modes by

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using a layout file
This commit is contained in:
fulivi 2017-02-09 15:04:03 +01:00
parent 52b04a9c65
commit 4bbc19ac6d
2 changed files with 24 additions and 0 deletions
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8
src/mame/drivers/hp9845.cpp
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@ -32,6 +32,8 @@
#include "includes/hp9845.h"
#include "softlist.h"
#include "bus/hp_optroms/hp_optrom.h"
#include "hp9845b.lh"
#include "render.h"
#define BIT_MASK(n) (1U << (n))
@ -495,8 +497,12 @@ void hp9845b_state::set_graphic_mode(bool graphic)
logerror("GS=%d\n" , graphic);
if (m_graphic_sel) {
m_screen->configure(GVIDEO_HTOTAL , GVIDEO_VTOTAL , rectangle(GVIDEO_HBEND , GVIDEO_HBSTART - 1 , GVIDEO_VBEND , GVIDEO_VBSTART - 1) , HZ_TO_ATTOSECONDS(VIDEO_PIXEL_CLOCK) * GVIDEO_HTOTAL * GVIDEO_VTOTAL);
// Set graphic mode view (1.23:1 aspect ratio)
machine().render().first_target()->set_view(1);
} else {
m_screen->configure(VIDEO_HTOTAL , VIDEO_VTOTAL , rectangle(0 , VIDEO_HBSTART - 1 , 0 , VIDEO_ACTIVE_SCANLINES - 1) , HZ_TO_ATTOSECONDS(VIDEO_PIXEL_CLOCK) * VIDEO_HTOTAL * VIDEO_VTOTAL);
// Set alpha mode view (1.92:1 aspect ratio)
machine().render().first_target()->set_view(0);
}
}
}
@ -1074,6 +1080,8 @@ static MACHINE_CONFIG_START( hp9845b, hp9845b_state )
MCFG_TIMER_DRIVER_ADD_SCANLINE("scantimer", hp9845b_state, scanline_timer, "screen", 0, 1)
MCFG_TIMER_DRIVER_ADD("gv_timer", hp9845b_state, gv_timer)
MCFG_DEFAULT_LAYOUT(layout_hp9845b)
// Actual keyboard refresh rate should be KEY_SCAN_OSCILLATOR / 128 (2560 Hz)
MCFG_TIMER_DRIVER_ADD_PERIODIC("kb_timer" , hp9845b_state , kb_scan , attotime::from_hz(100))

16
src/mame/layout/hp9845b.lay Normal file
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@ -0,0 +1,16 @@
<?xml version="1.0"?>
<mamelayout version="2">
<!-- All dimensions are in 0.01 inch units -->
<view name="Text mode (1.92:1)">
<bounds left="0" top="0" right="930" bottom="640" />
<screen index="0">
<bounds left="0" top="78" right="930" bottom="562" />
</screen>
</view>
<view name="Graphic mode (1.23:1)">
<bounds left="0" top="0" right="930" bottom="640" />
<screen index="0">
<bounds left="70" top="0" right="860" bottom="640" />
</screen>
</view>
</mamelayout>