Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Arrange loop invariants and fix comment description error.

Browse Source
This commit is contained in:
nisimura 1999-10-08 02:08:15 +00:00
parent 5db156a589
commit 72de8abb0c
1 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
sys/dev/tc/sfb.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sfb.c,v 1.19 1999/10/05 09:13:30 nisimura Exp $ */
/* $NetBSD: sfb.c,v 1.20 1999/10/08 02:08:15 nisimura Exp $ */
/*
* Copyright (c) 1998, 1999 Tohru Nishimura. All rights reserved.
@ -32,7 +32,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: sfb.c,v 1.19 1999/10/05 09:13:30 nisimura Exp $");
__KERNEL_RCSID(0, "$NetBSD: sfb.c,v 1.20 1999/10/08 02:08:15 nisimura Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -980,9 +980,11 @@ sfb_copycols(id, row, srccol, dstcol, ncols)
*(u_int32_t *)(sfb + SFB_ASIC_PIXELSHIFT) = alignd - aligns;
if (width <= SFBSTIPPLEBITS) {
lmasks = lmasks & rmasks;
lmaskd = lmaskd & rmaskd;
while (height > 0) {
*(u_int32_t *)sp = lmasks & rmasks;
*(u_int32_t *)dp = lmaskd & rmaskd;
*(u_int32_t *)sp = lmasks;
*(u_int32_t *)dp = lmaskd;
sp += scanspan;
dp += scanspan;
height--;
@ -1075,11 +1077,12 @@ sfb_erasecols(id, row, startcol, ncols, fillattr)
sfb = rap->data;
*(u_int32_t *)(sfb + SFB_ASIC_MODE) = MODE_TRANSPARENTSTIPPLE;
*(u_int32_t *)(sfb + SFB_ASIC_PLANEMASK) = ~0;
*(u_int32_t *)(sfb + SFB_ASIC_FG) = 0;
*(u_int32_t *)(sfb + SFB_ASIC_FG) = (fillattr == 0) ? 0 : 0x01010101;
if (width <= SFBSTIPPLEBITS) {
lmask = lmask & rmask;
while (height > 0) {
*(u_int32_t *)(sfb + SFB_ASIC_ADDRESS) = (long)p;
*(u_int32_t *)(sfb + SFB_ASIC_START) = lmask & rmask;
*(u_int32_t *)(sfb + SFB_ASIC_START) = lmask;
p += scanspan;
height--;
}
@ -1167,7 +1170,7 @@ sfb_copyrows(id, srcrow, dstrow, nrows)
}
/*
* Erase characters in a line.
* Erase lines.
*/
void
sfb_eraserows(id, startrow, nrows, fillattr)
@ -1195,7 +1198,7 @@ sfb_eraserows(id, startrow, nrows, fillattr)
sfb = rap->data;
*(u_int32_t *)(sfb + SFB_ASIC_MODE) = MODE_TRANSPARENTSTIPPLE;
*(u_int32_t *)(sfb + SFB_ASIC_PLANEMASK) = ~0;
*(u_int32_t *)(sfb + SFB_ASIC_FG) = 0;
*(u_int32_t *)(sfb + SFB_ASIC_FG) = (fillattr == 0) ? 0 : 0x01010101;
if (width <= SFBSTIPPLEBITS) {
/* never happens */;
}