new test for branching, fails

tests/arithmetic.asm

@@ -28,9 +28,66 @@ main:
   sbc $21
   sta $22     ; Should store E6
 
+  ; increment/decrement
+  lda #$05
+  sta $30
+  inc $30     ; inc, should store $06
+  tax
+  inx
+  inx
+  stx $31     ; inx, should store $07
+  txa
+  dex
+  stx $32     ; dex, should store $06
+  tay
+  iny
+  sty $33     ; iny, should store $08
+  dey
+  dey
+  sty $34     ; dey, should store $06
+  sty $35
+  dec $35     ; dec, should store $05
+
+  ; shifts
+  clc
+  lda #08     ; 0000 1000 = $08
+  sta $40
+  asl 
+  sta $41     ; store $10
+  lsr
+  sta $42     ; store $08
+  sec
+  ror
+  sta $43     ; 1000 0100 = $84
+  sec
+  asl
+  rol
+  sta $44     ; 0001 0001 = $11 (carry bit should shift correctly)
+
+  ; Logical operations
+  lda #$0F
+  sta $50     ; 0000 1111, lower nibble bitmask
+  lda #$19
+  and $50
+  sta $51     ; 0000 1111 & 0001 1001 = 0000 1001 = $09
+  eor $50
+  sta $52     ; 0000 1111 ^ 0000 1001 = 0000 0110 = $06
+  lda #$E0
+  ora $50
+  sta $53     ; 0000 1111 | 1110 0000 = 1110 1111 = $EF
   brk
 
 
+;;; Expected Ending Memory Map:
+;;  0000    0B 70 7B 00 00 00 00 00   00 00 00 00 00 00 00 00
+;;  0010    AB B7 62 00 00 00 00 00   00 00 00 00 00 00 00 00
+;;  0020    F0 0A E6 00 00 00 00 00   00 00 00 00 00 00 00 00
+;;  0030    06 07 06 08 06 05 00 00   00 00 00 00 00 00 00 00
+;;  0040    08 10 08 84 11 00 00 00   00 00 00 00 00 00 00 00
+;;  0050    0F 09 06 EF 00 00 00 00   00 00 00 00 00 00 00 00
+;;  0060    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00
+
+
 
 .dsb $fffa-*,$ff
 .word $00

tests/branching.asm

@@ -0,0 +1,54 @@
+* = $C000
+
+;; Jump/Branching operations
+
+main:
+  lda #$0
+
+  ; Testing jmp, should store $45 at $00
+  ; Obviously jsr/rts is better, but trying to test jmp
+  ;; TODO:  There's a bug here, I'm double decoding address--basically using indirect when it shouldn't be
+  ;; Not sure if I can change it without affecting other stuff
+  jmp setA45
+  lda #$0
+returnfromjmp:
+  sta $00
+
+  ; Testing jsr/rts/bne
+  jsr testSubroutine
+  brk
+
+  ;4c = 010 011 00
+
+
+
+setA45:
+  lda #$45
+  jmp returnfromjmp
+
+testSubroutine:
+  ; Should store $20 at positions $0010-0015
+  ldx #$05
+  lda #$20
+  .(
+    loop:
+      sta $10,X
+      dey
+      bne loop
+      rts
+  .)
+
+
+;;; Expected Ending Memory Map:
+;;  0000    00 00 00 00 00 00 00 00   06 00 00 00 0e 00 10 00   |................|
+;;  0010    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00   |................|
+;;  0020    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00   |................|
+;;  0030    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00   |................|
+;;  0040    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00   |................|
+;;  0050    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00   |................|
+;;  0060    00 00 00 00 00 00 00 00   00 00 00 00 00 00 00 00   |................|
+
+.dsb $fffa-*,$ff
+.word $00
+.word $C000
+.word $00