hub75: fix data buffering

ehime-iyokan · deadprogram · commit 17f273243d67 · 2025-01-04T16:20:10.000+01:00
diff --git a/hub75/hub75.go b/hub75/hub75.go
@@ -167,7 +167,7 @@ func (d *Device) fillMatrixBuffer(x int16, y int16, r uint8, g uint8, b uint8) {
 		if r > colorTresh {
 			d.buffer[c][offsetR] |= 1 << bitSelect
 		} else {
-			d.buffer[c][offsetR] = d.buffer[c][offsetR] &^ 1 << bitSelect
+			d.buffer[c][offsetR] &^= 1 << bitSelect
 		}
 		if g > colorTresh {
 			d.buffer[(c+d.colorThirdStep)%d.colorDepth][offsetG] |= 1 << bitSelect

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ func (d *Device) fillMatrixBuffer(x int16, y int16, r uint8, g uint8, b uint8) {`
`167`	`167`	`if r > colorTresh {`
`168`	`168`	`d.buffer[c][offsetR] \|= 1 << bitSelect`
`169`	`169`	`} else {`
`170`		`- d.buffer[c][offsetR] = d.buffer[c][offsetR] &^ 1 << bitSelect`
	`170`	`+ d.buffer[c][offsetR] &^= 1 << bitSelect`
`171`	`171`	`}`
`172`	`172`	`if g > colorTresh {`
`173`	`173`	`d.buffer[(c+d.colorThirdStep)%d.colorDepth][offsetG] \|= 1 << bitSelect`