80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

sonarlint vid_svga.c

Browse Source
This commit is contained in:
Jasmine Iwanek
2023-07-30 19:22:43 -04:00
parent bc7cc2c14a
commit 478aa11172
2 changed files with 163 additions and 133 deletions
Download Patch File Download Diff File Expand all files Collapse all files

130
src/include/86box/vid_svga.h
View File

@@ -183,8 +183,8 @@ typedef struct svga_t {
void (*render)(struct svga_t *svga);
void (*recalctimings_ex)(struct svga_t *svga);
void (*video_out)(uint16_t addr, uint8_t val, void *p);
uint8_t (*video_in)(uint16_t addr, void *p);
void (*video_out)(uint16_t addr, uint8_t val, void *priv);
uint8_t (*video_in)(uint16_t addr, void *priv);
void (*hwcursor_draw)(struct svga_t *svga, int displine);
@@ -195,7 +195,7 @@ typedef struct svga_t {
void (*vblank_start)(struct svga_t *svga);
void (*ven_write)(struct svga_t *svga, uint8_t val, uint32_t addr);
float (*getclock)(int clock, void *p);
float (*getclock)(int clock, void *priv);
/* Called when VC=R18 and friends. If this returns zero then MA resetting
is skipped. Matrox Mystique in Power mode reuses this counter for
@@ -205,7 +205,7 @@ typedef struct svga_t {
/*Called at the start of vertical sync*/
void (*vsync_callback)(struct svga_t *svga);
uint32_t (*translate_address)(uint32_t addr, void *p);
uint32_t (*translate_address)(uint32_t addr, void *priv);
/*If set then another device is driving the monitor output and the SVGA
card should not attempt to display anything */
int override;
@@ -266,7 +266,7 @@ typedef struct svga_t {
uint8_t monitor_index;
/* Pointer to monitor */
monitor_t* monitor;
monitor_t *monitor;
} svga_t;
extern int vga_on;
@@ -274,8 +274,8 @@ extern int ibm8514_on;
extern void ibm8514_poll(ibm8514_t *dev, svga_t *svga);
extern void ibm8514_recalctimings(svga_t *svga);
extern uint8_t ibm8514_ramdac_in(uint16_t port, void *p);
extern void ibm8514_ramdac_out(uint16_t port, uint8_t val, void *p);
extern uint8_t ibm8514_ramdac_in(uint16_t port, void *priv);
extern void ibm8514_ramdac_out(uint16_t port, uint8_t val, void *priv);
extern int ibm8514_cpu_src(svga_t *svga);
extern int ibm8514_cpu_dest(svga_t *svga);
extern void ibm8514_accel_out_pixtrans(svga_t *svga, uint16_t port, uint16_t val, int len);
@@ -285,36 +285,36 @@ extern void ibm8514_accel_start(int count, int cpu_input, uint32_t mix_dat, uint
extern void xga_poll(xga_t *xga, svga_t *svga);
extern void xga_recalctimings(svga_t *svga);
extern int svga_init(const device_t *info, svga_t *svga, void *p, int memsize,
extern int svga_init(const device_t *info, svga_t *svga, void *priv, int memsize,
void (*recalctimings_ex)(struct svga_t *svga),
uint8_t (*video_in)(uint16_t addr, void *p),
void (*video_out)(uint16_t addr, uint8_t val, void *p),
uint8_t (*video_in)(uint16_t addr, void *priv),
void (*video_out)(uint16_t addr, uint8_t val, void *priv),
void (*hwcursor_draw)(struct svga_t *svga, int displine),
void (*overlay_draw)(struct svga_t *svga, int displine));
extern void svga_recalctimings(svga_t *svga);
extern void svga_close(svga_t *svga);
uint8_t svga_read(uint32_t addr, void *p);
uint16_t svga_readw(uint32_t addr, void *p);
uint32_t svga_readl(uint32_t addr, void *p);
void svga_write(uint32_t addr, uint8_t val, void *p);
void svga_writew(uint32_t addr, uint16_t val, void *p);
void svga_writel(uint32_t addr, uint32_t val, void *p);
uint8_t svga_read_linear(uint32_t addr, void *p);
uint8_t svga_readb_linear(uint32_t addr, void *p);
uint16_t svga_readw_linear(uint32_t addr, void *p);
uint32_t svga_readl_linear(uint32_t addr, void *p);
void svga_write_linear(uint32_t addr, uint8_t val, void *p);
void svga_writeb_linear(uint32_t addr, uint8_t val, void *p);
void svga_writew_linear(uint32_t addr, uint16_t val, void *p);
void svga_writel_linear(uint32_t addr, uint32_t val, void *p);
uint8_t svga_read(uint32_t addr, void *priv);
uint16_t svga_readw(uint32_t addr, void *priv);
uint32_t svga_readl(uint32_t addr, void *priv);
void svga_write(uint32_t addr, uint8_t val, void *priv);
void svga_writew(uint32_t addr, uint16_t val, void *priv);
void svga_writel(uint32_t addr, uint32_t val, void *priv);
uint8_t svga_read_linear(uint32_t addr, void *priv);
uint8_t svga_readb_linear(uint32_t addr, void *priv);
uint16_t svga_readw_linear(uint32_t addr, void *priv);
uint32_t svga_readl_linear(uint32_t addr, void *priv);
void svga_write_linear(uint32_t addr, uint8_t val, void *priv);
void svga_writeb_linear(uint32_t addr, uint8_t val, void *priv);
void svga_writew_linear(uint32_t addr, uint16_t val, void *priv);
void svga_writel_linear(uint32_t addr, uint32_t val, void *priv);
void svga_add_status_info(char *s, int max_len, void *p);
void svga_add_status_info(char *s, int max_len, void *priv);
extern uint8_t svga_rotate[8][256];
void svga_out(uint16_t addr, uint8_t val, void *p);
uint8_t svga_in(uint16_t addr, void *p);
void svga_out(uint16_t addr, uint8_t val, void *priv);
uint8_t svga_in(uint16_t addr, void *priv);
svga_t *svga_get_pri(void);
void svga_set_override(svga_t *svga, int val);
@@ -334,65 +334,65 @@ enum {
/* We need a way to add a device with a pointer to a parent device so it can attach itself to it, and
possibly also a second ATi 68860 RAM DAC type that auto-sets SVGA render on RAM DAC render change. */
extern void ati68860_ramdac_out(uint16_t addr, uint8_t val, void *p, svga_t *svga);
extern uint8_t ati68860_ramdac_in(uint16_t addr, void *p, svga_t *svga);
extern void ati68860_set_ramdac_type(void *p, int type);
extern void ati68860_ramdac_set_render(void *p, svga_t *svga);
extern void ati68860_ramdac_set_pallook(void *p, int i, uint32_t col);
extern void ati68860_ramdac_out(uint16_t addr, uint8_t val, void *priv, svga_t *svga);
extern uint8_t ati68860_ramdac_in(uint16_t addr, void *priv, svga_t *svga);
extern void ati68860_set_ramdac_type(void *priv, int type);
extern void ati68860_ramdac_set_render(void *priv, svga_t *svga);
extern void ati68860_ramdac_set_pallook(void *priv, int i, uint32_t col);
extern void ati68860_hwcursor_draw(svga_t *svga, int displine);
extern void att49x_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga);
extern uint8_t att49x_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga);
extern void att49x_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *priv, svga_t *svga);
extern uint8_t att49x_ramdac_in(uint16_t addr, int rs2, void *priv, svga_t *svga);
extern void att498_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga);
extern uint8_t att498_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga);
extern float av9194_getclock(int clock, void *p);
extern void att498_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *priv, svga_t *svga);
extern uint8_t att498_ramdac_in(uint16_t addr, int rs2, void *priv, svga_t *svga);
extern float av9194_getclock(int clock, void *priv);
extern void bt48x_ramdac_out(uint16_t addr, int rs2, int rs3, uint8_t val, void *p, svga_t *svga);
extern uint8_t bt48x_ramdac_in(uint16_t addr, int rs2, int rs3, void *p, svga_t *svga);
extern void bt48x_recalctimings(void *p, svga_t *svga);
extern void bt48x_ramdac_out(uint16_t addr, int rs2, int rs3, uint8_t val, void *priv, svga_t *svga);
extern uint8_t bt48x_ramdac_in(uint16_t addr, int rs2, int rs3, void *priv, svga_t *svga);
extern void bt48x_recalctimings(void *priv, svga_t *svga);
extern void bt48x_hwcursor_draw(svga_t *svga, int displine);
extern void ibm_rgb528_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga);
extern uint8_t ibm_rgb528_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga);
extern void ibm_rgb528_recalctimings(void *p, svga_t *svga);
extern void ibm_rgb528_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *priv, svga_t *svga);
extern uint8_t ibm_rgb528_ramdac_in(uint16_t addr, int rs2, void *priv, svga_t *svga);
extern void ibm_rgb528_recalctimings(void *priv, svga_t *svga);
extern void ibm_rgb528_hwcursor_draw(svga_t *svga, int displine);
extern void icd2061_write(void *p, int val);
extern float icd2061_getclock(int clock, void *p);
extern void icd2061_write(void *priv, int val);
extern float icd2061_getclock(int clock, void *priv);
/* The code is the same, the #define's are so that the correct name can be used. */
# define ics9161_write icd2061_write
# define ics9161_getclock icd2061_getclock
extern float ics2494_getclock(int clock, void *p);
extern float ics2494_getclock(int clock, void *priv);
extern void ics2595_write(void *p, int strobe, int dat);
extern double ics2595_getclock(void *p);
extern void ics2595_setclock(void *p, double clock);
extern void ics2595_write(void *priv, int strobe, int dat);
extern double ics2595_getclock(void *priv);
extern void ics2595_setclock(void *priv, double clock);
extern void sc1148x_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga);
extern uint8_t sc1148x_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga);
extern void sc1148x_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *priv, svga_t *svga);
extern uint8_t sc1148x_ramdac_in(uint16_t addr, int rs2, void *priv, svga_t *svga);
extern void sc1502x_ramdac_out(uint16_t addr, uint8_t val, void *p, svga_t *svga);
extern uint8_t sc1502x_ramdac_in(uint16_t addr, void *p, svga_t *svga);
extern void sc1502x_ramdac_out(uint16_t addr, uint8_t val, void *priv, svga_t *svga);
extern uint8_t sc1502x_ramdac_in(uint16_t addr, void *priv, svga_t *svga);
extern void sdac_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga);
extern uint8_t sdac_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga);
extern float sdac_getclock(int clock, void *p);
extern void sdac_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *priv, svga_t *svga);
extern uint8_t sdac_ramdac_in(uint16_t addr, int rs2, void *priv, svga_t *svga);
extern float sdac_getclock(int clock, void *priv);
extern void stg_ramdac_out(uint16_t addr, uint8_t val, void *p, svga_t *svga);
extern uint8_t stg_ramdac_in(uint16_t addr, void *p, svga_t *svga);
extern float stg_getclock(int clock, void *p);
extern void stg_ramdac_out(uint16_t addr, uint8_t val, void *priv, svga_t *svga);
extern uint8_t stg_ramdac_in(uint16_t addr, void *priv, svga_t *svga);
extern float stg_getclock(int clock, void *priv);
extern void tkd8001_ramdac_out(uint16_t addr, uint8_t val, void *p, svga_t *svga);
extern uint8_t tkd8001_ramdac_in(uint16_t addr, void *p, svga_t *svga);
extern void tkd8001_ramdac_out(uint16_t addr, uint8_t val, void *priv, svga_t *svga);
extern uint8_t tkd8001_ramdac_in(uint16_t addr, void *priv, svga_t *svga);
extern void tvp3026_ramdac_out(uint16_t addr, int rs2, int rs3, uint8_t val, void *p, svga_t *svga);
extern uint8_t tvp3026_ramdac_in(uint16_t addr, int rs2, int rs3, void *p, svga_t *svga);
extern void tvp3026_recalctimings(void *p, svga_t *svga);
extern void tvp3026_ramdac_out(uint16_t addr, int rs2, int rs3, uint8_t val, void *priv, svga_t *svga);
extern uint8_t tvp3026_ramdac_in(uint16_t addr, int rs2, int rs3, void *priv, svga_t *svga);
extern void tvp3026_recalctimings(void *priv, svga_t *svga);
extern void tvp3026_hwcursor_draw(svga_t *svga, int displine);
extern float tvp3026_getclock(int clock, void *p);
extern float tvp3026_getclock(int clock, void *priv);
# ifdef EMU_DEVICE_H
extern const device_t ati68860_ramdac_device;

36
src/video/vid_svga.c
View File

@@ -205,6 +205,9 @@ svga_out(uint16_t addr, uint8_t val, void *priv)
svga->chain4 = val & 8;
svga->fast = (svga->gdcreg[8] == 0xff && !(svga->gdcreg[3] & 0x18) && !svga->gdcreg[1]) && ((svga->chain4 && (svga->packed_chain4 || svga->force_old_addr)) || svga->fb_only) && !(svga->adv_flags & FLAG_ADDR_BY8);
break;
default:
break;
}
break;
case 0x2ea:
@@ -245,6 +248,9 @@ svga_out(uint16_t addr, uint8_t val, void *priv)
svga->dac_pos = 0;
svga->dac_addr = (svga->dac_addr + 1) & 255;
break;
default:
break;
}
break;
case 0x3ce:
@@ -283,18 +289,27 @@ svga_out(uint16_t addr, uint8_t val, void *priv)
mem_mapping_set_addr(&svga->mapping, 0xb8000, 0x08000);
svga->banked_mask = 0x7fff;
break;
default:
break;
}
}
break;
case 7:
svga->colournocare = val;
break;
default:
break;
}
svga->gdcreg[svga->gdcaddr & 15] = val;
svga->fast = (svga->gdcreg[8] == 0xff && !(svga->gdcreg[3] & 0x18) && !svga->gdcreg[1]) && ((svga->chain4 && (svga->packed_chain4 || svga->force_old_addr)) || svga->fb_only);
if (((svga->gdcaddr & 15) == 5 && (val ^ o) & 0x70) || ((svga->gdcaddr & 15) == 6 && (val ^ o) & 1))
svga_recalctimings(svga);
break;
default:
break;
}
}
@@ -362,6 +377,9 @@ svga_in(uint16_t addr, void *priv)
else
ret = svga->vgapal[index].b & 0x3f;
break;
default:
break;
}
if (svga->adv_flags & FLAG_RAMDAC_SHIFT)
ret >>= 2;
@@ -403,6 +421,9 @@ svga_in(uint16_t addr, void *priv)
ret = svga->cgastat;
break;
default:
break;
}
return ret;
@@ -561,8 +582,14 @@ svga_recalctimings(svga_t *svga)
else
svga->render = svga_render_32bpp_highres;
break;
default:
break;
}
break;
default:
break;
}
}
}
@@ -1328,6 +1355,9 @@ svga_write_common(uint32_t addr, uint8_t val, uint8_t linear, void *priv)
}
}
break;
default:
break;
}
if (reset_wm)
@@ -1587,7 +1617,7 @@ svga_writeb_linear(uint32_t addr, uint8_t val, void *priv)
return;
addr &= svga->vram_mask;
svga->changedvram[addr >> 12] = svga->monitor->mon_changeframecount;
*(uint8_t *) &svga->vram[addr] = val;
*&svga->vram[addr] = val;
}
void
@@ -1713,7 +1743,7 @@ svga_writel_linear(uint32_t addr, uint32_t val, void *priv)
uint8_t
svga_readb_linear(uint32_t addr, void *priv)
{
svga_t *svga = (svga_t *) priv;
const svga_t *svga = (svga_t *) priv;
if (!svga->fast)
return svga_read_linear(addr, priv);
@@ -1722,7 +1752,7 @@ svga_readb_linear(uint32_t addr, void *priv)
if (addr >= svga->vram_max)
return 0xff;
return *(uint8_t *) &svga->vram[addr & svga->vram_mask];
return *&svga->vram[addr & svga->vram_mask];
}
uint16_t