MatthiasQuintern/6502-OS
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matthias@arch 2024-01-11 20:51:07 +01:00
parent 5c02ff6585
commit 4e76be17ad
1 changed files with 4 additions and 2 deletions
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system/ps2_keyboard.h65
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@ -35,12 +35,14 @@ Import ps2kb, send_command, send_cmd, send_data, cmd_response, response_length,
VIA = IO1 VIA = IO1
; Enough time must pass for 3 bits to be shifted in. ; Enough time must pass for 3 bits to be shifted in.
TIMER_RECV = 230 ; 230 ms (@1MHz) ; TIMER_RECV = 230 ; 230 ms (@1MHz)
TIMER_RECV = 400 ; 230 ms (@1MHz)
; Enough time must pass for one bit must be shifted out (parity), ; Enough time must pass for one bit must be shifted out (parity),
; but at most two (parity+stop). ; but at most two (parity+stop).
; After that, the interrupt must have happened because the keyboard will pull data low. ; After that, the interrupt must have happened because the keyboard will pull data low.
; At that point, the SR needs to be set to input again ; At that point, the SR needs to be set to input again
TIMER_SEND = 230 ; 180 ms (@1MHz) ; TIMER_SEND = 230 ; 180 ms (@1MHz)
TIMER_SEND = 400 ; 180 ms (@1MHz)
PULL_REG = IO::RANH PULL_REG = IO::RANH
PULL_DDR = IO::DDRA PULL_DDR = IO::DDRA