128 lines
2.6 KiB
Plaintext
128 lines
2.6 KiB
Plaintext
.include "spi.h65"
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.include "string.h65"
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.include "keypad.h65"
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.include "lcd.h65"
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.include "chars.h65"
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.import home:absolute
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.import CODE_START: absolute
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.import __SPI_SIZE__
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.export spi_menu
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.bss
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trans_bytes: .res 2 ; used to check if screen needs to be updated
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status_char: .res 1
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status_str: .res 17 ; 16 + null
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.code
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.proc spi_menu
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stz trans_bytes
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stz trans_bytes+1
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@print_menu:
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jsr lcd::clear
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Print MENU
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@update_status:
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lda spi_p::status
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cmp #spi_p::STATUS::ERROR
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beq @status_ERROR
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cmp #spi_p::STATUS::DONE
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beq @status_DONE
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cmp #spi_p::STATUS::XFER
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beq @status_XFER
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cmp #spi_p::STATUS::XFER_SIZEL
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beq @status_XFER_SIZEL
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cmp #spi_p::STATUS::XFER_SIZEH
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beq @status_XFER_SIZEH
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@status_UNKNOWN:
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lda #'?'
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bra @update_status_end
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@status_ERROR:
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lda #'E'
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bra @update_status_end
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@status_DONE:
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lda #'O'
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bra @update_status_end
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@status_XFER_SIZEL:
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lda #'1'
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bra @update_status_end
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@status_XFER_SIZEH:
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lda #'2'
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bra @update_status_end
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@status_XFER:
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lda #'X'
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@update_status_end:
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sta status_char
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@print_status:
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lda #lcd::LINE4
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jsr lcd::set_position
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Strf "%x%x/%x%x|%x%x|%c",status_str,trans_bytes+1,trans_bytes,spi_p::recv_size+1,spi_p::recv_size,spi_p::buffer_size+1,spi_p::buffer_size,status_char
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PrintNC status_str
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@loop:
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wai
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; check if a byte has been transferred
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@check_received:
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lda spi_p::recv_bytes
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cmp trans_bytes
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beq @read_keypad
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@byte_received:
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sta trans_bytes
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lda spi_p::recv_bytes+1
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sta trans_bytes+1
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jmp @update_status
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@read_keypad:
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lda kp::_DEBUG_VAL
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beq @loop
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; TODO debug
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sta 0
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stz kp::_DEBUG_VAL
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lda 0
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cmp #'*'
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beq @return_home
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cmp #'A'
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beq @spi_begin
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cmp #'B'
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beq @spi_end
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cmp #'C'
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beq @spi_jump
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cmp #'D'
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beq @spi_jump2
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jmp @update_status ; any other key
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@spi_begin:
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lda #<CODE_START
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sta ARG0
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lda #>CODE_START
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sta ARG1
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lda #<__SPI_SIZE__
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sta ARG2
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lda #>__SPI_SIZE__
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sta ARG3
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jsr spi_p::begin_read
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jmp @print_menu
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@spi_end:
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jsr spi_p::end_read
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jmp @print_menu
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@spi_jump:
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jsr spi_p::end_read
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jsr lcd::clear
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Print "---START SPI---"
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jmp CODE_START
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@spi_jump2:
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jsr spi_p::end_read
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jsr lcd::clear
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Printf " >>> %x%x >>> ", spi_p::buffer_ptr+1, spi_p::buffer_ptr
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jmp (spi_p::buffer_ptr)
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@return_home:
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jsr spi_p::end_read
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jmp home
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.endproc
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.rodata
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MENU:
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.byte "A> Beg. Transfer"
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.byte "B> Stop Transfer"
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.asciiz "C> Jump Home <*"
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; .asciiz "0b0p Status: X"
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BEGIN: .asciiz "---BEGIN SPI---"
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START: .asciiz "---START SPI---"
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