2019-11-11 15:56:03 -08:00
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;lst on
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*
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* main.s
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* Merlin32 Test
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*
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* Created by Lane Roathe on 8/26/19.
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* Copyright © 2019 Ideas From the Deep. All rights reserved.
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*
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2019-11-12 10:13:15 -08:00
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xc off
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xc
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xc
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mx %00
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2019-11-11 15:56:03 -08:00
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//]XCODESTART ; Keep this at the start and put your code after this
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*==========================================================
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* monitor addresses
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TEXT = $FB39 ;Reset text window
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TABV = $FB5B ;Complete vtab, using contents of 'A'
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MONBELL = $FBE4 ;random bell noise!
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HOME = $FC58 ;Clear text window
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WAIT = $FCA8 ;delay routine
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CROUT = $FD8E ;Print a CR
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PRBYTE = $FDDA ;Print 'A' as a hex number
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PRHEX = $FDE3 ;as above, but bits 0-3 only
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COUT = $FDED ;Monitor char out
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MOVE = $FE2C ;memory move routine
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INVERSE = $FE80 ;Print in inverse
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NORMAL = $FE84 ;Normal print
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* Jump Vectors
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CONNECT = $3EA ;Connect DOS
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DOSWARM = $3D0 ;exit to DOS prompt
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RSTVEC = $3F2 ;reset vector
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TSTADDR = $1000 ;absolute address for testing
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*==========================================================
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* Data Index DUM section test
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DUM 0
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dum0 ds 1 ;fractional byte
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dum1 ds 1
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dumSize = *
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DEND
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*==========================================================
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* zero page (all zp var names are prefixed with _)
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DUM 0
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_ptr ds 2
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_tmp ds 2
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_num1 ds dumSize ;first and second operand values
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; test ORG with DUM section
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ORG $20
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_LFT ds 1 ;Window edge 0..39
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DEND
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*==========================================================
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* Program Entry
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;Issue #26 - This should start at the ORG in the linkscript, not at the last ORG in the DUM sections.
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START
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; PUT current issue here, so it's the first thing assembled.
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; The rest below are unit tests to make sure future changes don't break existing code!
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; START OF TESTS KNOWN TO HAVE PASSED IN PREVIOUS BUILDS
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; --- Test all instructions in all their modes, with as many variants as possible ---
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;adc (ZP,x)
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adc (0,x)
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adc ($80,x)
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adc (_tmp,x)
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adc (_tmp+0,x)
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adc (_tmp+$10,x)
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adc ($10+_tmp,x)
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adc (_tmp+dum0,x)
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adc (_tmp+dum1,x)
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adc (_tmp+dum1+1,x)
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adc (_tmp+dum0+dum1,x)
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adc 0
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adc $80
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adc _tmp
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adc #0
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adc #$1111
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adc $1111
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; --- Other tests that have proven helpful ---
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; Tests regarding issues with math and zp,x
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sta TSTADDR+dum0
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sta TSTADDR+_num1+dum0
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sta TSTADDR+_num1+dum0,x
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lda _num1+dum0
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adc _num1+dum1
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sbc _num1+dum1
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bit _num1+dum0
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sta _num1+dum0 ;(FIXED): can't use sta _num1+dum0
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stz _num1+dum0
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lda _num1+dum0,x
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adc _num1+dum0,x
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sbc _num1+dum0,x
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bit _num1+dum0,x
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sta _num1+dum0,x
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stz _num1+dum0,x
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lda _num1+dum0,y ;these assemble to abs accesses: lda $00C0,y
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adc _num1+dum0,y
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sbc _num1+dum0,y
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sta _num1+dum0,y
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; Label & branching tests
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GetKey ldx $C000
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bpl GetKey
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]loop
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dex
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bne ]loop
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tya
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and #1
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beq :err
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tya
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and #1
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bne :good
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:err
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lda #0
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:good
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bne myQuit
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nop
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hex 2C ;bit
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lda #1
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myQuit
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jmp DOSWARM
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; --- Tests used when addressing issues opened against Merlin32 ---
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;Issue #26 (lroathe) - ORG in DUM section is ignored, but can't mess up code ORG
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org $2000
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lda _LFT
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ldx #_LFT
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cpx #$20
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org ;return to ongoing address
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;Issue #16 (fadden) - Byte reference modifiers are ignored (no way to force DP)
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lda <$fff0 ;zp
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lda >$fff0 ;ABS (lo word)
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lda ^$fff0 ;ABS (hi word)
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lda |$fff0 ;ABS (long in 65816 mode)
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lda <$fff0+24 ;zp
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lda >$fff0+24 ;ABS (lo word)
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lda ^$fff0+24 ;ABS (hi word)
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lda |$fff0+24 ;ABS (long in 65816 mode)
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lda #<$fff0+24 ;byte
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lda #>$fff0+24 ;page
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lda #^$fff0+24 ;bank
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lda #<$fff0 ;byte
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lda #>$fff0 ;page
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lda #^$fff0 ;bank
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lda $0008 ;ZP
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lda $08 ;ZP
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lda $ffff-$fff7 ;ZP
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lda $fff0+24 ;ABS (long in 65816 mode)
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;Issue #8 fadden) - STX zp,y fails to assemble
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org $00bc
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L00BC bit L00BC
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org
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stx $bc,y
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ldx L00BC,y
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stx L00BC,y
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//]XCODEEND ; Keep this at the end and put your code above this
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