From d1cab178360b1d2591350c2a144a53add2c34c21 Mon Sep 17 00:00:00 2001 From: spikey Date: Sun, 18 Feb 2024 00:33:00 -0500 Subject: [PATCH] cleaned up ugly vga. should work much better but still has some formatting issues at the bottom --- sys/drv/vga/video.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/sys/drv/vga/video.c b/sys/drv/vga/video.c index aecd91f..71d57b5 100644 --- a/sys/drv/vga/video.c +++ b/sys/drv/vga/video.c @@ -15,13 +15,12 @@ vga_write(s8 *sequence, s16 size, s8 flags) return; } - s16 needed_space = size * 2 + unused - VGA_SIZE; - if (needed_space >= 0) { - for (s16 i = 0; i <= VGA_SIZE - needed_space; i++) { - vga_vidmem[i] = vga_vidmem[((needed_space / 2) - (needed_space / 2) % 2) + i]; - } + if (size * 2 + unused >= VGA_SIZE) { + s16 needed_space = size * 2; - unused = VGA_SIZE - needed_space; + for (s16 i = 0; i <= (unused = VGA_SIZE - needed_space); i++) { + vga_vidmem[i] = vga_vidmem[needed_space + i]; + } } for (s16 i = 0; i < size; i++) {