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cc65/asminc/rp6502.inc
2023-11-17 11:08:51 -08:00

98 lines
3.7 KiB
PHP

; Picocomputer 6502 general defines
; RIA UART
RIA_READY := $FFE0 ; TX=$80 RX=$40
RIA_TX := $FFE1
RIA_RX := $FFE2
; VSYNC from PIX VGA
RIA_VSYNC := $FFE3
; RIA XRAM portal 0
RIA_RW0 := $FFE4
RIA_STEP0 := $FFE5
RIA_ADDR0 := $FFE6
; RIA XRAM portal 1
RIA_RW1 := $FFE8
RIA_STEP1 := $FFE9
RIA_ADDR1 := $FFEA
; RIA OS fastcall
RIA_XSTACK := $FFEC
RIA_ERRNO := $FFED
RIA_OP := $FFEF
RIA_IRQ := $FFF0
RIA_SPIN := $FFF1
RIA_BUSY := $FFF2 ; Bit $80
RIA_A := $FFF4
RIA_X := $FFF6
RIA_SREG := $FFF8
; RIA OS operation numbers
RIA_OP_EXIT := $FF
RIA_OP_ZXSTACK := $00
RIA_OP_XREG := $01
RIA_OP_PHI2 := $02
RIA_OP_CODEPAGE := $03
RIA_OP_LRAND := $04
RIA_OP_STDIN_OPT := $05
RIA_OP_CLOCK_GETRES := $10
RIA_OP_CLOCK_GETTIME := $11
RIA_OP_CLOCK_SETTIME := $12
RIA_OP_CLOCK_GETTIMEZONE := $13
RIA_OP_OPEN := $14
RIA_OP_CLOSE := $15
RIA_OP_READ_XSTACK := $16
RIA_OP_READ_XRAM := $17
RIA_OP_WRITE_XSTACK := $18
RIA_OP_WRITE_XRAM := $19
RIA_OP_LSEEK := $1A
RIA_OP_UNLINK := $1B
RIA_OP_RENAME := $1C
; 6522 VIA
VIA := $FFD0 ; VIA base address
VIA_PB := VIA+$0 ; Port register B
VIA_PA1 := VIA+$1 ; Port register A
VIA_PRB := VIA+$0 ; *** Deprecated ***
VIA_PRA := VIA+$1 ; *** Deprecated ***
VIA_DDRB := VIA+$2 ; Data direction register B
VIA_DDRA := VIA+$3 ; Data direction register A
VIA_T1CL := VIA+$4 ; Timer 1, low byte
VIA_T1CH := VIA+$5 ; Timer 1, high byte
VIA_T1LL := VIA+$6 ; Timer 1 latch, low byte
VIA_T1LH := VIA+$7 ; Timer 1 latch, high byte
VIA_T2CL := VIA+$8 ; Timer 2, low byte
VIA_T2CH := VIA+$9 ; Timer 2, high byte
VIA_SR := VIA+$A ; Shift register
VIA_CR := VIA+$B ; Auxiliary control register
VIA_PCR := VIA+$C ; Peripheral control register
VIA_IFR := VIA+$D ; Interrupt flag register
VIA_IER := VIA+$E ; Interrupt enable register
VIA_PA2 := VIA+$F ; Port register A w/o handshake
; Values in ___oserror are the union of these FatFs errors and errno.inc
.enum
FR_OK = 32 ; Succeeded
FR_DISK_ERR ; A hard error occurred in the low level disk I/O layer
FR_INT_ERR ; Assertion failed
FR_NOT_READY ; The physical drive cannot work
FR_NO_FILE ; Could not find the file
FR_NO_PATH ; Could not find the path
FR_INVALID_NAME ; The path name format is invalid
FR_DENIED ; Access denied due to prohibited access or directory full
FR_EXIST ; Access denied due to prohibited access
FR_INVALID_OBJECT ; The file/directory object is invalid
FR_WRITE_PROTECTED ; The physical drive is write protected
FR_INVALID_DRIVE ; The logical drive number is invalid
FR_NOT_ENABLED ; The volume has no work area
FR_NO_FILESYSTEM ; There is no valid FAT volume
FR_MKFS_ABORTED ; The f_mkfs() aborted due to any problem
FR_TIMEOUT ; Could not get a grant to access the volume within defined period
FR_LOCKED ; The operation is rejected according to the file sharing policy
FR_NOT_ENOUGH_CORE ; LFN working buffer could not be allocated
FR_TOO_MANY_OPEN_FILES ; Number of open files > FF_FS_LOCK
FR_INVALID_PARAMETER ; Given parameter is invalid
.endenum