i am an idiot for placing data segments in the machine code without either telling PC to skip or making strict data segments, super ouch, but it works!

This commit is contained in:
David Stancu 2018-01-28 11:40:43 -05:00
parent daf4eb3dc0
commit 1ec7f27dcc

View File

@ -5,7 +5,7 @@
; ensure 16-bit mode (unnecessary?)
clc
xce
rep #$30
rep #$20
phk
plb
@ -25,16 +25,12 @@
ldal $00C056 ; select "low res" graphics
; ok, we are done toggling switches, let's go make a string
rep #$30
rep #$20
phk
pld
hithere strl "hello world"
ldx #2
:loopy nop
lda hithere,x
stal $000400
stal $000400,x
cpx hithere
inx
bcs outbrk
@ -42,41 +38,6 @@ hithere strl "hello world"
outbrk brk
; y u no work
* ldx hithere+2
* ldy #$0400
* lda hithere
* mvp #$02, #$00
* brk
* lda #"H"
* sta $0400
* lda #"e"
* sta $0401
* lda #"l"
* sta $0402
* lda #"l"
* sta $0403
* lda #"o"
* sta $0404
* lda #" "
* sta $0405
* lda #"W"
* sta $0406
* lda #"o"
* sta $0407
* lda #"r"
* sta $0408
* lda #"l"
* sta $0409
* lda #"d"
* sta $040A
brk
; Important locations
SPEAKER equ $E0C030
PRODOS16 equ $E100A8
@ -93,6 +54,32 @@ ERROR brk
QP adrl $0000
da $00
hithere strl "this was excruciating"