Update comments in capture loops

src/capture_line_atom_4bpp.S

@@ -9,12 +9,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_atom_8bpp.S

@@ -19,12 +19,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_default_4bpp_8bpp.S

@@ -10,12 +10,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_default_sixbits_4bpp_8bpp.S

@@ -10,12 +10,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_double_4bpp_8bpp.S

@@ -10,12 +10,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_fast_4bpp_8bpp.S

@@ -10,12 +10,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_fast_sixbits_4bpp_8bpp.S

@@ -10,12 +10,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_half_4bpp_8bpp.S

@@ -11,12 +11,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/capture_line_inband_4bpp_8bpp.S

@@ -19,7 +19,7 @@
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = line number count down to 0
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
 //   r7 = number of psyncs to skip
 //   r8 = frame buffer height (=param_fb_height)

src/capture_line_mode7_4bpp.S

@@ -13,7 +13,7 @@
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = line number count down to 0
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
 //   r7 = number of psyncs to skip
 //   r8 = frame buffer height (=param_fb_height)

src/capture_line_oddeven_4bpp_8bpp.S

@@ -10,12 +10,14 @@
 
 // The capture line function is provided the following:
 //   r0 = pointer to current line in frame buffer
-//   r1 = number of 8-pixel blocks to capture (=param_chars_per_line)
+//   r1 = number of complete psync cycles to capture (=param_chars_per_line)
 //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
 //   r3 = flags register
 //   r4 = GPLEV0 constant
-//   r5 = frame buffer height (=param_fb_height)
+//   r5 = line number count down to 0 (initial value =param_nlines)
 //   r6 = scan line count modulo 10
+//   r7 = number of psyncs to skip
+//   r8 = frame buffer height (=param_fb_height)
 //
 // All registers are available as scratch registers (i.e. nothing needs to be preserved)
 

src/rgb_to_fb.S

@@ -380,7 +380,7 @@ process_line_loop:
         //   r2 = frame buffer line pitch in bytes (=param_fb_pitch)
         //   r3 = flags register
         //   r4 = GPLEV0 constant
-        //   r5 = line number count down to 0
+        //   r5 = line number count down to 0 (initial value =param_nlines)
         //   r6 = scan line count modulo 10
         //   r7 = number of psyncs to skip
         //   r8 = frame buffer height (=param_fb_height)