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sonarlint vid_sdac_ramdac.c

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This commit is contained in:
Jasmine Iwanek
2023-07-31 17:30:28 -04:00
parent b80f43a970
commit abf7d55011
1 changed files with 27 additions and 15 deletions
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42
src/video/vid_sdac_ramdac.c
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@@ -44,10 +44,13 @@ enum {
typedef struct sdac_ramdac_t { typedef struct sdac_ramdac_t {
uint16_t regs[256]; uint16_t regs[256];
int magic_count, int magic_count;
windex, rindex, int windex;
reg_ff, rs2; int rindex;
uint8_t type, command; int reg_ff;
int rs2;
uint8_t type;
uint8_t command;
} sdac_ramdac_t; } sdac_ramdac_t;
static void static void
@@ -59,8 +62,8 @@ sdac_control_write(sdac_ramdac_t *ramdac, svga_t *svga, uint8_t val)
case ICS_5300: case ICS_5300:
case ICS_5301: case ICS_5301:
switch (val >> 5) { switch (val >> 5) {
case 0x00:
default: default:
case 0x00:
svga->bpp = 8; svga->bpp = 8;
break; break;
case 0x01: case 0x01:
@@ -82,9 +85,9 @@ sdac_control_write(sdac_ramdac_t *ramdac, svga_t *svga, uint8_t val)
case ICS_5341: case ICS_5341:
case ICS_5342: case ICS_5342:
switch (val >> 4) { switch (val >> 4) {
default:
case 0x00: case 0x00:
case 0x01: /* This is actually 8bpp with two pixels read at a time. */ case 0x01: /* This is actually 8bpp with two pixels read at a time. */
default:
svga->bpp = 8; svga->bpp = 8;
break; break;
case 0x02: case 0x02:
@@ -108,6 +111,9 @@ sdac_control_write(sdac_ramdac_t *ramdac, svga_t *svga, uint8_t val)
break; break;
} }
break; break;
default:
break;
} }
svga_recalctimings(svga); svga_recalctimings(svga);
@@ -144,9 +150,9 @@ sdac_reg_read(sdac_ramdac_t *ramdac, int reg)
} }
void void
sdac_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga) sdac_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *priv, svga_t *svga)
{ {
sdac_ramdac_t *ramdac = (sdac_ramdac_t *) p; sdac_ramdac_t *ramdac = (sdac_ramdac_t *) priv;
uint8_t rs = (addr & 0x03); uint8_t rs = (addr & 0x03);
rs |= ((!!rs2) << 2); rs |= ((!!rs2) << 2);
@@ -184,13 +190,16 @@ sdac_ramdac_out(uint16_t addr, int rs2, uint8_t val, void *p, svga_t *svga)
ramdac->rindex = val; ramdac->rindex = val;
ramdac->reg_ff = 0; ramdac->reg_ff = 0;
break; break;
default:
break;
} }
} }
uint8_t uint8_t
sdac_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga) sdac_ramdac_in(uint16_t addr, int rs2, void *priv, svga_t *svga)
{ {
sdac_ramdac_t *ramdac = (sdac_ramdac_t *) p; sdac_ramdac_t *ramdac = (sdac_ramdac_t *) priv;
uint8_t temp = 0xff; uint8_t temp = 0xff;
uint8_t rs = (addr & 0x03); uint8_t rs = (addr & 0x03);
rs |= ((!!rs2) << 2); rs |= ((!!rs2) << 2);
@@ -237,6 +246,9 @@ sdac_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga)
case 0x07: case 0x07:
temp = ramdac->rindex; temp = ramdac->rindex;
break; break;
default:
break;
} }
return temp; return temp;
@@ -245,11 +257,11 @@ sdac_ramdac_in(uint16_t addr, int rs2, void *p, svga_t *svga)
float float
sdac_getclock(int clock, void *priv) sdac_getclock(int clock, void *priv)
{ {
sdac_ramdac_t *ramdac = (sdac_ramdac_t *) priv; const sdac_ramdac_t *ramdac = (sdac_ramdac_t *) priv;
float t; float t;
int m; int m;
int n1; int n1;
int n2; int n2;
if (ramdac->regs[0xe] & (1 << 5)) if (ramdac->regs[0xe] & (1 << 5))
clock = ramdac->regs[0xe] & 7; clock = ramdac->regs[0xe] & 7;