3 ms·
They would overwrite the CHROUT vector used to show the "READY." text after loading. So when BASIC wanted to print the "R" it would call CHROUT, which was rerou
by royjacobs 11y ago
They would overwrite the CHROUT vector used to show the "READY." text after loading. So when BASIC wanted to print the "R" it would call CHROUT, which was rerouted to your application's loader. More info is available at the excellent Pagetable blog [1].
[1] http://www.pagetable.com/?p=568 http://www.pagetable.com/?p=568