MAME SVN History

199869 Revisions

r26449 Saturday 30th November, 2013 at 06:00:28 UTC by Jürgen Buchmüller
Calculate the cursor position and shift registers when the cursor task is activated. Add MCFG_DEFAULT_LAYOUT() for vertical layout.

[/branches/alto2/src/emu/cpu/alto2]	a2curt.c a2disk.c a2disp.c
[/branches/alto2/src/mess/drivers]	alto2.c
[/branches/alto2/src/mess/includes]	alto2.h

branches/alto2/src/emu/cpu/alto2/a2curt.c
r26448	r26449
10	10	#include "alto2cpu.h"
11	11
12	12	/**
13		* @brief ~~f1_curt_block early:~~ disable the cursor task and set the curt_blocks flag
	13	* @brief disable the cursor task and set the curt_blocks flag
14	14	*/
15	15	void alto2_cpu_device::f1_early_curt_block()
16	16	{
r26448	r26449
49	49	{
50	50	m_dsp.csr = m_bus;
51	51	LOG((LOG_CURT, m_dsp.csr ? 2 : 9," CSR← BUS (%#o)\n", m_dsp.csr));
52		int x = 01777 - m_dsp.xpreg;
53		UINT32 bits = m_bus;
54		m_dsp.cursor0 = static_cast<UINT16>((bits << (16 - (x & 15))) >> 16);
55		m_dsp.cursor1 = static_cast<UINT16>(bits << (16 - (x & 15)));
56		m_dsp.curxpos = x / 16;
57	52	}
58	53
59	54	/**
r26448	r26449
63	58	{
64	59	m_task_wakeup &= ~(1 << m_task);
65	60	m_dsp.curt_wakeup = false;
	61
	62	int x = 01777 - m_dsp.xpreg;
	63	UINT32 bits = m_dsp.csr << (16 - (x & 15));
	64	m_dsp.cursor0 = static_cast<UINT16>(bits >> 16);
	65	m_dsp.cursor1 = static_cast<UINT16>(bits);
	66	m_dsp.curxpos = x / 16;
66	67	}
67	68
68	69	/** @brief initialize the cursor task F1 and F2 functions */

branches/alto2/src/emu/cpu/alto2/a2disk.c
r26448	r26449
1372	1372	if (WDALLOW)
1373	1373	s1 \|= JKFF_C;
1374	1374	m_dsk.ff_43a = update_jkff(s0, s1, "43a KWD ");
1375
1376		m_dsk.wdtskena = 1;
1377		m_task_wakeup &= ~(1 << task_kwd);
1378	1375	}
1379	1376	}
1380	1377	// TODO: show disk indicator in the GUI?

branches/alto2/src/emu/cpu/alto2/a2disp.c
r26448	r26449
539	539	m_dsp.scanline[y] = auto_alloc_array(machine(), UINT8, ALTO2_DISPLAY_TOTAL_WIDTH);
540	540
541	541	m_dsp.bitmap = auto_bitmap_ind16_alloc(machine(), ALTO2_DISPLAY_WIDTH, ALTO2_DISPLAY_HEIGHT + ALTO2_FAKE_STATUS_H);
542		m_dsp.state = 020;
	542	m_dsp.state = 0;
543	543	}
544	544
545	545	void alto2_cpu_device::exit_disp()
r26448	r26449
549	549
550	550	void alto2_cpu_device::reset_disp()
551	551	{
552		m_dsp.state = 020;
	552	m_dsp.state = 0;
553	553	m_dsp.hlc = ALTO2_DISPLAY_HLC_START;
554	554	m_dsp.a63 = 0;
555	555	m_dsp.a66 = 0;

branches/alto2/src/mess/drivers/alto2.c
r26448	r26449
253	253	MCFG_SCREEN_VBLANK_TIME(ALTO2_DISPLAY_VBLANK_TIME)
254	254	MCFG_SCREEN_UPDATE_DEVICE("maincpu", alto2_cpu_device, screen_update)
255	255	MCFG_SCREEN_VBLANK_DEVICE("maincpu", alto2_cpu_device, screen_eof)
	256	MCFG_DEFAULT_LAYOUT( layout_vertical )
256	257
257	258	MCFG_PALETTE_LENGTH(2)
258	259

199869 Revisions