From 9516310e1b363acdd48b939e90c67a4d35e0e8cb Mon Sep 17 00:00:00 2001 From: michaelangel007 Date: Sun, 10 Jan 2016 23:52:23 -0800 Subject: [PATCH] Cleanup hex constant for SBC --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index a8c4882..0342460 100644 --- a/README.md +++ b/README.md @@ -684,7 +684,7 @@ Here's the C pseudo-code of the assembly code: ```c char c = '@'; // 0x40; int col = 0; - char FONT[] = { ... }; // our font data glyphs + char FONT[] = { ... }; // our font data glyphs starting at 0x6000 char *screen = 0x2000 + col; // destination char *font = 0x6200; // eventually want: &FONT[ c*8 ] for( y = 0; y < 8; y++, screen += 0x400 ) @@ -711,7 +711,7 @@ After drawing a character with `DrawChar()` it is handy if we can advance both: 370:C8 INY 371:18 CLC 372:A5 F6 LDA $F6 - 374:E9 1F SBC #1F + 374:E9 1F SBC #$1F 376:85 F6 STA $F6 378:60 RTS ```