; Verifies that reset doesn't alter any RAM. .include "testing.s" zp_res VAL RAM = $300 reset: sei cld ldx #$FF txs lda #$F0 sta VAL lda #$0F bit VAL php pla sta RAM+0 lda #$F0 sta $400 lda #$0F bit $400 php pla sta RAM+1 stp nmi: stp irq: stp