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179 lines
4.1 KiB
Plaintext
179 lines
4.1 KiB
Plaintext
;**** report 6502 funtional test errors to standard I/O ****
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;
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;this include file is part of the 6502 functional tests
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;it is used when you configure report = 1 in the tests
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;
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;to adopt the standard output vectors of your test environment
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;you must modify the rchar and rget subroutines in this include
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;
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;I/O hardware may have to be initialized in report_init
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;print message macro - \1 = message location
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rprt macro
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ldx #0
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lda \1
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loop\?
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jsr rchar
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inx
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lda \1,x
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bne loop\?
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endm
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;initialize I/O as required (example: configure & enable ACIA)
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report_init
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;nothing to initialize
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rprt rmsg_start
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rts
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;show stack (with saved registers), zeropage and absolute memory workspace
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;after an error was trapped in the test program
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report_error
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;save registers
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php
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pha
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txa
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pha
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tya
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pha
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cld
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;show stack with index to registers at error
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rprt rmsg_stack
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tsx
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inx
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lda #1 ;address high
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jsr rhex
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txa ;address low
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jsr rhex
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rstack jsr rspace
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lda $100,x ;stack data
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jsr rhex
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inx
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bne rstack
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jsr rcrlf ;new line
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;show zero page workspace
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lda #0
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jsr rhex
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lda #zpt
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tax
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jsr rhex
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rzp jsr rspace
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lda 0,x
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jsr rhex
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inx
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cpx #zp_bss
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bne rzp
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jsr rcrlf
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;show absolute workspace
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lda #hi(data_segment)
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jsr rhex
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lda #lo(data_segment)
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jsr rhex
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ldx #0
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rabs jsr rspace
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lda data_segment,x
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jsr rhex
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inx
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cpx #(data_bss-data_segment)
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bne rabs
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;ask to continue
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rprt rmsg_cont
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rerr1 jsr rget
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cmp #'C'
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bne rerr1
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;restore registers
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pla
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tay
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pla
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tax
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pla
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plp
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rts
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;show test has ended, ask to repeat
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report_success
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if rep_int = 1
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rprt rmsg_priority
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lda data_segment ;show interrupt sequence
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jsr rhex
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jsr rspace
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lda data_segment+1
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jsr rhex
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jsr rspace
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lda data_segment+2
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jsr rhex
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endif
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rprt rmsg_success
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rsuc1 jsr rget
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cmp #'R'
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bne rsuc1
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rts
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;input subroutine
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;get a character from standard input
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;adjust according to the needs in your test environment
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rget ;get character in A
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;rget1
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; lda $bff1 ;wait RDRF
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; and #8
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; beq rget1
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;not a real ACIA - so RDRF is not checked
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lda $bff0 ;read acia rx reg
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;the load can be replaced by a call to a kernal routine
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; jsr $ffcf ;example: CHRIN for a C64
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cmp #'a' ;lower case
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bcc rget1
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and #$5f ;convert to upper case
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rget1 rts
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;output subroutines
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rcrlf lda #10
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jsr rchar
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lda #13
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bne rchar
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rspace lda #' '
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bne rchar
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rhex pha ;report hex byte in A
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lsr a ;high nibble first
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lsr a
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lsr a
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lsr a
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jsr rnib
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pla ;now low nibble
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and #$f
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rnib clc ;report nibble in A
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adc #'0' ;make printable 0-9
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cmp #'9'+1
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bcc rchar
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adc #6 ;make printable A-F
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;send a character to standard output
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;adjust according to the needs in your test environment
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;register X needs to be preserved!
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rchar ;report character in A
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; pha ;wait TDRF
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;rchar1 lda $bff1
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; and #$10
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; beq rchar1
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; pla
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;not a real ACIA - so TDRF is not checked
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sta $bff0 ;write acia tx reg
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;the store can be replaced by a call to a kernal routine
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; jsr $ffd2 ;example: CHROUT for a C64
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rts
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rmsg_start
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db 10,13,"Started testing",10,13,0
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rmsg_stack
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db 10,13,"regs Y X A PS PCLPCH",10,13,0
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rmsg_cont
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db 10,13,"press C to continue",10,13,0
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rmsg_success
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db 10,13,"All tests completed, press R to repeat",10,13,0
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if rep_int = 1
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rmsg_priority
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db 10,13,"interrupt sequence (NMI IRQ BRK) ",0
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endif
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