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Replace vscale_integer with vscale_mode with extended functionality.

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This commit is contained in:
sorgelig
2018-12-21 04:42:10 +08:00
parent bd6a1ad711
commit 1f4fe8a264
4 changed files with 31 additions and 21 deletions
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6
MiSTer.ini
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@@ -7,9 +7,11 @@ vga_scaler=0 ; set to 1 to connect VGA to scaler output.
hdmi_audio_96k=0 ; set to 1 for 96khz/16bit HDMI audio (48khz/16bit otherwise)
keyrah_mode=0x18d80002 ; VIDPID of keyrah for special code translation (0x23418037 for Arduino Micro)
volumectl=0 ; enable audio volume control by multimedia keys
vscale_integer=0 ; set to 1 to use only integer vertical scaling
vscale_mode=0 ; 0 - scale to fit the screen height.
; 1 - use integer scale only.
; 2 - use 0.5 steps of scale.
; 3 - use 0.25 steps of scale.
vscale_border=0 ; set vertical border for TVs cutting the upper/bottom parts of screen (1-99)
; vscale_integer and vscale_border are mutually exclusive!
;bootscreen=0 ; uncomment to disable boot screen of some cores like Minimig.
;mouse_throttle=10 ; 1-100 mouse speed divisor. Useful for very sensitive mouses

2
cfg.cpp
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@@ -40,7 +40,7 @@ const ini_var_t ini_vars[] = {
{ "MOUSE_THROTTLE", (void*)(&(cfg.mouse_throttle)), UINT8, 1, 100, 1 },
{ "BOOTSCREEN", (void*)(&(cfg.bootscreen)), UINT8, 0, 1, 1 },
{ "VOLUMECTL", (void*)(&(cfg.volumectl)), UINT8, 0, 1, 1 },
{ "VSCALE_INTEGER", (void*)(&(cfg.vscale_integer)), UINT8, 0, 1, 1 },
{ "VSCALE_MODE", (void*)(&(cfg.vscale_mode)), UINT8, 0, 3, 1 },
{ "VSCALE_BORDER", (void*)(&(cfg.vscale_border)), UINT8, 0, 100, 1 },
};

2
cfg.h
View File

@@ -29,7 +29,7 @@ typedef struct {
uint8_t mouse_throttle;
uint8_t bootscreen;
uint8_t volumectl;
uint8_t vscale_integer;
uint8_t vscale_mode;
uint8_t vscale_border;
char video_conf[1024];
} cfg_t;

42
user_io.cpp
View File

@@ -3064,24 +3064,32 @@ static uint32_t show_video_info(int force)
Info(str, cfg.video_info * 1000);
}
if (cfg.vscale_border && height && (height <= vitems[5]))
uint32_t scrh = vitems[5];
if (height && scrh)
{
uint32_t border = cfg.vscale_border * 2;
if ((border + 100) > vitems[5]) border = vitems[5] - 100;
height = vitems[5] - border;
printf("Set vertical scaling to : %d\n", height);
spi_uio_cmd16(UIO_SETHEIGHT, height);
}
else if (cfg.vscale_integer && height && (height <= vitems[5]))
{
uint32_t mag = vitems[5] / height;
height *= mag;
printf("Set Integer V scaling: %d\n", height);
spi_uio_cmd16(UIO_SETHEIGHT, height);
}
else
{
spi_uio_cmd16(UIO_SETHEIGHT, 0);
if (cfg.vscale_border)
{
uint32_t border = cfg.vscale_border * 2;
if ((border + 100) > scrh) border = scrh - 100;
scrh -= border;
}
if (cfg.vscale_mode)
{
uint32_t div = 1 << (cfg.vscale_mode - 1);
uint32_t mag = (scrh*div) / height;
scrh = (height * mag) / div;
}
if(cfg.vscale_border || cfg.vscale_mode)
{
printf("*** Set vertical scaling to : %d\n", scrh);
spi_uio_cmd16(UIO_SETHEIGHT, scrh);
}
else
{
spi_uio_cmd16(UIO_SETHEIGHT, 0);
}
}
if (vtime && vtimeh) ret = vtime;