bootboot
3 years agochanged the segment register used for video memory access to es
Eleni Maria Stea [Tue, 5 Jan 2021 14:33:45 +0000 (16:33 +0200)]
changed the segment register used for video memory access to es

to avoid interferring with rand which was using ds to access its state

3 years agodisable/enable interrupts to stop the bios from reading the keyboard
Eleni Maria Stea [Tue, 5 Jan 2021 13:41:53 +0000 (15:41 +0200)]
disable/enable interrupts to stop the bios from reading the keyboard

before we have the chance to do it...

3 years agoreplaced the first 64 colors of the palette with grayscale
Eleni Maria Stea [Tue, 5 Jan 2021 13:19:31 +0000 (15:19 +0200)]
replaced the first 64 colors of the palette with grayscale

3 years agodisplay default palette
Eleni Maria Stea [Tue, 5 Jan 2021 13:04:13 +0000 (15:04 +0200)]
display default palette

3 years agostep 3: wait for keypress
Eleni Maria Stea [Mon, 14 Dec 2020 09:59:46 +0000 (11:59 +0200)]
step 3: wait for keypress

3 years agostep 2: load 2nd sector and jump into it
Eleni Maria Stea [Fri, 4 Dec 2020 16:50:17 +0000 (18:50 +0200)]
step 2: load 2nd sector and jump into it

3 years agostep 1: boot from floppy and clear screen
Eleni Maria Stea [Fri, 4 Dec 2020 15:53:38 +0000 (17:53 +0200)]
step 1: boot from floppy and clear screen