jordan/rpi4-osdev
1
0
Fork 0
mirror of https://github.com/isometimes/rpi4-osdev synced 2024-11-22 02:00:40 +00:00
Code Issues Projects Releases Packages Wiki Activity

Fixed a few typos in part5-framebuffer

Browse source
This commit is contained in:
Adam Greenwood-Byrne 2020-07-15 20:16:07 +01:00
parent 47a855c30c
commit b32a7fb9e9
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
part5-framebuffer/README.md
View file

@ -123,7 +123,7 @@ Imagine an 8x8 "A":
0 0 0 0 0 0 0 0 = 0x00 0 0 0 0 0 0 0 0 = 0x00
``` ```
This bitmap can be represented by just 8 bytes (the hexadecimal numbers after the = signs). When you look in `terminal.h`, you'll see that we've done this for many of the useful characters found in [code page 437](https://en.wikipedia.org/wiki/Code_page_437). This bitmap can be represented by just 8 bytes (the hexadecimal numbers after the = signs). When you look in _terminal.h_, you'll see that we've done this for many of the useful characters found in [code page 437](https://en.wikipedia.org/wiki/Code_page_437).
`drawChar` should now be fairly self-explanatory. `drawChar` should now be fairly self-explanatory.
@ -137,7 +137,7 @@ This bitmap can be represented by just 8 bytes (the hexadecimal numbers after th
Updating our kernel to be more artistic Updating our kernel to be more artistic
--------------------------------------- ---------------------------------------
Finally, we can create a work of art on-screen! Our updated `kernel.c` exercises all these graphics routines to draw the picture below. Finally, we can create a work of art on-screen! Our updated _kernel.c_ exercises all these graphics routines to draw the picture below.
Build the kernel, copy it to your SD card. You may need to update your _config.txt_ once more. If you previously set the `hdmi_safe` parameter to get Raspbian going, you probably won't need it now. You might, however, need to set `hdmi_mode` and `hdmi_group` specifically to ensure we get into 1080p mode. Build the kernel, copy it to your SD card. You may need to update your _config.txt_ once more. If you previously set the `hdmi_safe` parameter to get Raspbian going, you probably won't need it now. You might, however, need to set `hdmi_mode` and `hdmi_group` specifically to ensure we get into 1080p mode.