Search found 3 matches

by gameblabla
Mon Mar 27, 2023 3:47 pm
Forum: Other platforms
Topic: Questions about the Escalibur 64 : video RAM and clearing routine
Replies: 4
Views: 2624

Re: Questions about the Escalibur 64 : video RAM and clearing routine

I sort of got it to work with this (it just copies the color area right now), although it's quite finicky as it is. Maybe eventually we will get a fast memcpy to the display interface in z88dk (?) I've also tried other areas other than 50000 but they seem to conflict with either the main RAM or CP/M...
by gameblabla
Mon Mar 27, 2023 11:38 am
Forum: Other platforms
Topic: Questions about the Escalibur 64 : video RAM and clearing routine
Replies: 4
Views: 2624

Re: Questions about the Escalibur 64 : video RAM and clearing routine

Hey, thanks for the help ! You're right that i forgot some stuff that yours did and after doing so, it starts to work again. How much would i have in the high memory area ? I was thinking of creating a buffer there so that i can directly copy it to the display within clear.asm. (it's not too apparen...
by gameblabla
Mon Mar 27, 2023 10:54 am
Forum: Other platforms
Topic: Questions about the Escalibur 64 : video RAM and clearing routine
Replies: 4
Views: 2624

Questions about the Escalibur 64 : video RAM and clearing routine

Hello, i was playing around with the Excalibur 64 and noticed this clearing routine within z88dk : generic_console_cls: in a,($50) bit 4,a jr z,generic_console_cls push af res 1,a set 0,a out ($70),a ld hl, DISPLAY ld de, DISPLAY +1 ld bc, +(CONSOLE_COLUMNS * CONSOLE_ROWS) - 1 ld (hl),32 ldir ld hl,...