?? ps2.lst
字號:
0000 TIMER_MSB_MASK: equ 3Fh ; six bits
0000
0000 ;========================================================================
0000 ; Processor Status and Control
0000
0000 ENTER_SUSPEND: equ 9h
0000
0000 RUNBIT: equ 1h ; CPU Run bit
0000 SINGLESTEP: equ 2h ; Single Step
0000 INTERRUPTENABLE: equ 4h ; interrupt enable
0000 SUSPENDWAIT: equ 8h ; Suspend, wait for interrupt
0000 POWERONRESET: equ 10h ; power-on reset
0000 USBRESET: equ 20h ; USB Bus Reset bit
0000 WATCHDOG_RESET: equ 40h ; Watchdog Reset bit
0000 IRQPENDING: equ 80h ; IRQ pending
0000
0000 ;========================================================================
0000 ; USB Status and Control
0000 NOT_FORCING: equ 00h ; SIE controls D+/D-
0000 FORCE_K: equ 01h ; D+ high, D- low (resume signal)
0000 FORCE_J: equ 02h ; D+ low, D- high (idle state)
0000
0000
0000
0000 ;========================================================================
0000 ; FILE: ps2.inc
0000 ;
0000 ; This file contains ps2-specific delarations
0000 ;
0000 ;========================================================================
0000 BAT_PASS: equ 0aah
0000 BAT_FAIL: equ 055h
0000
0000
0000 ;status bits for ps2 command processor
0000
0000 PS2_RESEND: equ 1
0000 PS2_XMIT: equ 2
0000 PS2_RESEND_REQUESTED: equ 4
0000 PS2_SCAN_KBD: equ 8
0000
0000
0000
0000 PS2_ENABLED_INTERRUPTS: equ 4 ; 1msec interrupt enabled
0000
0000 ;ps2 clock, data bits are D+ and D-
0000
0000 PS2_CLOCK_BIT: equ DP ;
0000 PS2_DATA_BIT: equ DM ;
0000
0000
0000 ;PS2 response byte declarations
0000 PS2_RSND: equ 0feh ;Resend response (request resend from host)
0000 PS2_ACK: equ 0fah ;ACK response
0000 PS2_ECHO: equ 0eeh ;ECHO response
0000
0000
0000 PS2_SCAN_INTERVAL: equ 4 ;4msec between key scans
0000
0000 ;define key types for scan set 3. These are carefully chosen to match
0000 ;the enumerations in the ps2-host commands 0xf7 - 0xfd (set all keys, and
0000 ;set key type).
0000
0000 TYPEMATIC: equ 0
0000 MAKE_BREAK: equ 1
0000 MAKE: equ 2
0000 TYPEMATIC_MAKE_BREAK: equ 3
0000
0000 SCAN_SET_1: equ 1
0000 SCAN_SET_2: equ 2
0000 SCAN_SET_3: equ 3
0000
0000 ;========================================================================
0000 ; FILE: macros.inc
0000 ;
0000 ; contains useful macro definitions
0000 ;
0000 ;========================================================================
0000 ;clear bit(s) in a RAM location
0000 MACRO CLRBIT BIT REG
0000 mov A,~BIT
0000 and [REG],A
0000 ENDM
0000
0000 ;set bit(s) in a RAM location
0000 MACRO SETBIT BIT REG
0000 mov A,BIT
0000 or [REG],A
0000 ENDM
0000
0000 ;test bit(s) in a RAM location
0000 MACRO TSTBIT BIT REG
0000 mov A,BIT
0000 and A,[REG]
0000 ENDM
0000
0000 ;clear carry
0000 MACRO CLEARC
0000 or A,0
0000 ENDM
0000
0000 ;set carry
0000 MACRO SETC
0000 cpl A
0000 cpl A
0000 ENDM
0000
0000
0000 ;macro for clearing blocks of RAM
0000 ;destroys X and A
0000 MACRO CLEARRAM base,length
0000 mov X,length - 1
0000 mov A,0
0000 lp:
0000 mov [X + base],A
0000 dec X
0000 jnc lp
0000 ENDM
0000
0000
0000 ;macro for packing 4 2-bit fields into a byte
0000
0000 MACRO TYPE a,b,c,d
0000 db (a + b*4 + c*16 + d*64)
0000 ENDM
0000
0000
0000 ;delay macro is the front-end for a call to the delay subroutine
0000 ;The fixed overhead of the macro plus the subroutine is 3 us,
0000 ;so this technique is good for delays of 4us or greater.
0000 ;
0000
0000 MACRO DELAY US
0000 push A
0000 mov A,(US-3)
0000 call delay
0000 ENDM
0000 ;*****
0000 ; CLRC
0000 ; Clears C bit
0000 ;*****
0000 MACRO CLRC
0000 add A,0 ;Clear C-bit
0000 ;*** END MACRO CLRC
0000 ENDM
0000
0000
0000 ;*****
0000 ; SETFLAG F
0000 ; Sets flag F in mouse_flagsV
0000 ;*****
0000 MACRO SETFLAG F
0000 mov a,F ;a <- F bit
0000 or [mouse_flagsV],a ;set flag
0000 ;*** END MACRO SETFLAG
0000 ENDM
0000
0000
0000 ;*****
0000 ; CLRFLAG F
0000 ; Clear flag F in mouse_flagsV
0000 ;*****
0000 MACRO CLRFLAG F
0000 mov a,~F ;a <- F mask
0000 and [mouse_flagsV],a ;clear flag
0000 ;*** END MACRO CLRFLAG
0000 ENDM
0000
0000
0000 ;*****
0000 ; CHKFLAG F
0000 ; Check flag F in mouse_flagsV
0000 ;*****
0000 MACRO CHKFLAG F
0000 mov a,F ;a <- F flag
0000 and a,[mouse_flagsV] ;isolate flag
0000 ;*** END MACRO CHKFLAG
0000 ENDM
0000
0000
0000 ;*****
0000 ; CPLFLAG F
0000 ; Complement flag F in mouse_flagsV
0000 ;*****
0000 MACRO CPLFLAG F
0000 mov a,F ;a <- F flag
0000 xor [mouse_flagsV],a ;toggle flag
0000 ;*** END MACRO CPLFLAG
0000 ENDM
0000
0000
0000 ;=============================================================================
0000 ; PS2_WR_PORT3
0000 ; Replaces "iowr IO_mouse_port" instruction to the following lines of
0000 ; code. Makes writes to bit 6 and 7 of Port3 not affecting other bits
0000 ; which are used for keyboard LED and scan matrix columns.
0000 ; Assumes the data to be written is in register A.
0000 ;=============================================================================
0000 MACRO PS2_WR_PORT3
0000 and A, P3_PS2_MASK ; clear all bits except bit 6 and 7
0000 mov [ps2_tmp], A ; move write data to a temporary variable
0000 mov A,[ksc_p3out] ; read current content of port 3
0000 and A, ~P3_PS2_MASK ; reset bit 6 and 7
0000 or A, [ps2_tmp] ; or current port 3 data with the write data
0000 iowr IO_mouse_port
0000 mov [ksc_p3out], A ; store most recent data back to p3out
0000
0000 ENDM
0000 MACRO enable_1ms_int
0000 iord Global_Interrupt
0000 or A, TIMER_ISR_MASK ; enable 1ms interrupt
0000 iowr Global_Interrupt
0000 ENDM
0000 MACRO disable_1ms_int:
0000 iord Global_Interrupt
0000 and A, ~TIMER_ISR_MASK ; enable 1ms interrupt
0000 iowr Global_Interrupt
0000 ENDM
0000
0000
0000 MACRO enable_EP0_int
0000 mov A,[configuration_status]
0000 cmp A,UNCONFIGURED
0000 mov A,ENDPOINT_ZERO
0000 jz .exit
0000 or A,(ENDPOINT_ONE + ENDPOINT_TWO)
0000 .exit:
0000 iowr ENDPOINT_INTERRUPT_REG
0000 ENDM
0000 MACRO disable_EP0_int
0000 mov A,[configuration_status]
0000 cmp A,UNCONFIGURED
0000 mov A,0
0000 jz .exit
0000 or A,(ENDPOINT_ONE + ENDPOINT_TWO)
0000 .exit:
0000 iowr ENDPOINT_INTERRUPT_REG
0000 ENDM
0000
0000 ;========================================================================
0000 ; FILE: at101.inc
0000 ;
0000 ; contains the defines for the keys on a 101/102 key keyboard.
0000 ;
0000 ; The definitions are standard with the addition of the following
0000 ; codes:
0000 ;
0000 ; AT101KB_POWER: EQU 130
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