Add a sprite example

This is way better documented. Moreover, the `input.s` example has been
further simplified.

Signed-off-by: Miquel Sabaté Solà <msabate@suse.com>

1 files changed, 0 insertions, 90 deletions

diff --git a/examples/wrapper.s b/examples/wrapper.s
deleted file mode 100644
index 673c697..0000000
--- a/examples/wrapper.s
+++ /dev/null
@@ -1,90 +0,0 @@
-;;;
-;; This is an empty wrapper for the NES. It does some basic hardware
-;; initialization and finally calls a `Main` subroutine that is to be provided
-;; by another file. After that, it loops indefinitely.
-;;
-;; There are some variations of this file already, I just took it from
-;; NESHacker: https://github.com/NesHacker (definitely check his Youtube
-;; channel, it's extra-dope!); originally licensed under the MIT License.
-;;;
-
-.import Main
-
-.segment "HEADER"
-  .byte $4E, $45, $53, $1A  ; iNES header identifier
-  .byte 2                   ; 2x 16KB PRG-ROM Banks
-  .byte 1                   ; 1x  8KB CHR-ROM
-  .byte $01, $00            ; mapper 0, vertical mirroring
-
-.segment "VECTORS"
-  .addr nmi
-  .addr reset
-  .addr 0
-
-.segment "STARTUP"
-
-.segment "CHARS"
-
-.segment "CODE"
-
-.proc nmi
-  bit $2002
-  lda #0
-  sta $2006
-  sta $2006
-  rti
-.endproc
-
-.proc ResetPalettes
-  bit $2002
-  lda #$3f
-  sta $2006
-  lda #$00
-  sta $2006
-  lda #$0F
-  ldx #$20
-@paletteLoadLoop:
-  sta $2007
-  dex
-  bne @paletteLoadLoop
-  rts
-.endproc
-
-.proc reset
-  sei
-  cld
-  ldx #%01000000
-  stx $4017
-  ldx #$ff
-  txs
-  ldx #0
-  stx $2000
-  stx $2001
-  stx $4010
-  bit $2002
-@vblankWait1:
-  bit $2002
-  bpl @vblankWait1
-@clearMemory:
-  lda #$00
-  sta $0000, x
-  sta $0100, x
-  sta $0200, x
-  sta $0300, x
-  sta $0400, x
-  sta $0500, x
-  sta $0600, x
-  sta $0700, x
-  inx
-  bne @clearMemory
-@vblankWait2:
-  bit $2002
-  bpl @vblankWait2
-  jsr ResetPalettes
-main:
-  jsr Main
-  lda #%00001000
-  sta $2001
-endlessLoop:
-  jmp endlessLoop
-.endproc