Tolik-Trek/Sprinter-Core
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Clearing the z80 keyboard buffer before starting the OS boot loader

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This commit is contained in:
Anatoliy Belyanskiy 2023-10-30 02:06:58 +10:00
parent e7b8753a9e
commit 9226260e35
3 changed files with 4 additions and 5 deletions
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2
Shared_Includes

@ -1 +1 @@
Subproject commit 374477690571809e7318bd4279bc7da120b6c492 Subproject commit 2308a92341b8cf17b710c05123feec4d4dc55609

6
src/bios/exp/EXP.asm
View File

@ -1035,14 +1035,12 @@ PORTS_INIT:
.clean_kbd_buf: .clean_kbd_buf:
IN A,(Z84.SIO.Ch_A.Ctrl) IN A,(Z84.SIO.Ch_A.Ctrl)
AND 1 AND 1
JR Z,1F RET Z
IN A,(Z84.SIO.Ch_A.Data) IN A,(Z84.SIO.Ch_A.Data)
JR .clean_kbd_buf JR .clean_kbd_buf
1: ;exit from .clean_kbd_buf ; RET PORTS_INIT.clean_kbd_buf
;--------------------------------------- ;---------------------------------------
RET
;-----------------------------------------------------------------------; ;-----------------------------------------------------------------------;

1
src/bios/rom/SETUP/MAIN.asm
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@ -866,6 +866,7 @@ RECOVERYstart:
PrepareToBOOT: PrepareToBOOT:
CALL INT_OFF CALL INT_OFF
CALL PORTS_INIT.clean_kbd_buf
CALL G_VALUE CALL G_VALUE
LD B,0 LD B,0
; FDD ; FDD