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Pinball2k: added notes. Initialised global variables to 0.

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This commit is contained in:
Robbbert 2022-02-06 11:40:28 +11:00
parent 8b56aef405
commit 4eb7813a49
1 changed files with 52 additions and 38 deletions
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90
src/mame/drivers/pinball2k.cpp
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@ -1,22 +1,33 @@
// license:BSD-3-Clause
// copyright-holders:R. Belmont, Peter Ferrie
/*
Pinball 2000
/*****************************************************************************************************************
PINBALL
Williams Pinball 2000
Skeleton by R. Belmont, based on mediagx.c by Ville Linde
Skeleton by R. Belmont, based on mediagx.c by Ville Linde
TODO:
- Everything!
- MediaGX features should be moved out to machine/ and shared with mediagx.c once we know what these games need
Hardware:
- Cyrix MediaGX processor/VGA (northbridge)
- Cyrix CX5520 (southbridge)
- VS9824AG SuperI/O standard PC I/O chip
- 1 ISA, 2 PCI slots, 2 IDE headers
- "Prism" PCI card with PLX PCI9052 PCI-to-random stuff bridge
Card also contains DCS2 Stereo sound system with ADSP-2104
Hardware:
- Cyrix MediaGX processor/VGA (northbridge)
- Cyrix CX5520 (southbridge)
- VS9824AG SuperI/O standard PC I/O chip
- 1 ISA, 2 PCI slots, 2 IDE headers
- "Prism" PCI card with PLX PCI9052 PCI-to-random stuff bridge
Card also contains DCS2 Stereo sound system with ADSP-2104
*/
Games:
- Star Wars Episode 1 (#50069)
- Revenge from Mars (#50070)
- Wizard Blocks (#50072) (cancelled)
- Playboy (cancelled)
Status:
- Skeletons
TODO:
- Everything!
- MediaGX features should be moved out to machine/ and shared with mediagx.c once we know what these games need
****************************************************************************************************************/
#include "emu.h"
#include "cpu/i386/i386.h"
@ -65,30 +76,30 @@ private:
required_device<screen_device> m_screen;
required_device<ramdac_device> m_ramdac;
required_device<palette_device> m_palette;
uint8_t m_pal[768];
uint8_t m_pal[768]{};
uint32_t m_disp_ctrl_reg[256/4];
int m_frame_width;
int m_frame_height;
uint32_t m_disp_ctrl_reg[256/4]{};
int m_frame_width = 0;
int m_frame_height = 0;
uint32_t m_memory_ctrl_reg[256/4];
int m_pal_index;
uint32_t m_memory_ctrl_reg[256/4]{};
int m_pal_index = 0;
uint32_t m_biu_ctrl_reg[256/4];
uint32_t m_biu_ctrl_reg[256/4]{};
uint8_t m_mediagx_config_reg_sel;
uint8_t m_mediagx_config_regs[256];
uint8_t m_mediagx_config_reg_sel = 0;
uint8_t m_mediagx_config_regs[256]{};
//uint8_t m_controls_data;
//uint8_t m_parallel_pointer;
//uint8_t m_parallel_latched;
//uint32_t m_parport;
//int m_control_num;
//int m_control_num2;
//int m_control_read;
//uint8_t m_controls_data = 0U;
//uint8_t m_parallel_pointer = 0U;
//uint8_t m_parallel_latched = 0U;
//uint32_t m_parport = 0U;
//int m_control_num = 0;
//int m_control_num2 = 0;
//int m_control_read = 0;
uint32_t m_cx5510_regs[256/4];
uint32_t m_cx5510_regs[256/4]{};
uint32_t disp_ctrl_r(offs_t offset);
void disp_ctrl_w(offs_t offset, uint32_t data, uint32_t mem_mask = ~0);
@ -161,11 +172,8 @@ static const rgb_t cga_palette[16] =
void pinball2k_state::video_start()
{
int i;
for (i=0; i < 16; i++)
{
for (u8 i=0; i < 16; i++)
m_palette->set_pen_color(i, cga_palette[i]);
}
}
void pinball2k_state::draw_char(bitmap_rgb32 &bitmap, const rectangle &cliprect, gfx_element *gfx, int ch, int att, int x, int y)
@ -194,17 +202,16 @@ void pinball2k_state::draw_char(bitmap_rgb32 &bitmap, const rectangle &cliprect,
void pinball2k_state::draw_framebuffer(bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
int width, height;
int line_delta = (m_disp_ctrl_reg[DC_LINE_DELTA] & 0x3ff) * 4;
width = (m_disp_ctrl_reg[DC_H_TIMING_1] & 0x7ff) + 1;
int width = (m_disp_ctrl_reg[DC_H_TIMING_1] & 0x7ff) + 1;
if (m_disp_ctrl_reg[DC_TIMING_CFG] & 0x8000) // pixel double
{
width >>= 1;
}
width += 4;
height = (m_disp_ctrl_reg[DC_V_TIMING_1] & 0x7ff) + 1;
int height = (m_disp_ctrl_reg[DC_V_TIMING_1] & 0x7ff) + 1;
if ( (width != m_frame_width || height != m_frame_height) &&
(width > 1 && height > 1 && width <= 640 && height <= 480) )
@ -649,6 +656,9 @@ void pinball2k_state::init_pinball2k()
/*****************************************************************************/
/*------------------------------
/ Star Wars Episode 1 (#50069)
/------------------------------*/
ROM_START( swe1pb )
ROM_REGION32_LE(0x40000, "bios", 0)
ROM_LOAD( "awdbios.bin", 0x000000, 0x040000, CRC(854ce8c6) SHA1(7826de74026e052dacce8516382f664004c327ad) )
@ -676,6 +686,10 @@ ROM_START( swe1pb )
ROM_LOAD("cga.chr", 0x00000, 0x01000, CRC(42009069) SHA1(ed08559ce2d7f97f68b9f540bddad5b6295294dd))
ROM_END
/*----------------------------
/ Revenge from Mars (#50070)
/----------------------------*/
ROM_START( rfmpb )
ROM_REGION32_LE(0x40000, "bios", 0)
ROM_LOAD( "awdbios.bin", 0x000000, 0x040000, CRC(854ce8c6) SHA1(7826de74026e052dacce8516382f664004c327ad) )