minimum ppu test case added.

diff --git a/tools/regression-test/Makefile b/tools/regression-test/Makefile
index da6bd09..ba6706a 100644 (file)
--- a/tools/regression-test/Makefile
+++ b/tools/regression-test/Makefile
@@ -1,4 +1,5 @@
-ASMSOURCES =   regression.asm\r
+#ASMSOURCES =  regression.asm\r
+ASMSOURCES =   ppu-minimum.asm\r
 \r
 OBJECTS        =       $(ASMSOURCES:.asm=.o)\r
 \r

diff --git a/tools/regression-test/ppu-minimum.asm b/tools/regression-test/ppu-minimum.asm
new file mode 100644 (file)
index 0000000..9b09d97
--- /dev/null
+++ b/tools/regression-test/ppu-minimum.asm
@@ -0,0 +1,95 @@
+.setcpu                "6502"\r
+.autoimport    on\r
+\r
+; iNES header\r
+.segment "HEADER"\r
+       .byte   $4E, $45, $53, $1A      ; "NES" Header\r
+       .byte   $02                     ; PRG-BANKS\r
+       .byte   $01                     ; CHR-BANKS\r
+       .byte   $01                     ; Vetrical Mirror\r
+       .byte   $00                     ; \r
+       .byte   $00, $00, $00, $00      ; \r
+       .byte   $00, $00, $00, $00      ; \r
+\r
+\r
+.segment "STARTUP"\r
+.proc  Reset\r
+\r
+; interrupt off, initialize sp.\r
+;;init ppu.\r
+       lda     #$00\r
+       sta     $2000\r
+       sta     $2001\r
+\r
+;;init palette\r
+       lda     #$3f\r
+       sta     $2006\r
+       lda     #$00\r
+       sta     $2006\r
+\r
+       lda     #$11\r
+       sta     $2007\r
+       lda     #$01\r
+       sta     $2007\r
+       lda     #$03\r
+       sta     $2007\r
+       lda     #$13\r
+       sta     $2007\r
+\r
+;;init vram\r
+;;name table\r
+       lda     #$20\r
+       sta     $2006\r
+       lda     #$06\r
+       sta     $2006\r
+\r
+       lda     #$44\r
+       sta     $2007\r
+       lda     #$45\r
+       sta     $2007\r
+       lda     #$45\r
+       sta     $2007\r
+\r
+;;attr tbl\r
+       lda     #$23\r
+       sta     $2006\r
+       lda     #$c1\r
+       sta     $2006\r
+\r
+       lda     #$d8\r
+       sta     $2007\r
+\r
+;;enble ppu.\r
+       lda     #$1e\r
+       sta     $2001\r
+       lda     #$80\r
+       sta     $2000\r
+\r
+    ;;all done\r
+    ;;infinite loop.\r
+mainloop:\r
+       jmp     mainloop\r
+.endproc\r
+\r
+\r
+\r
+\r
+nmi_test:\r
+    rti\r
+\r
+\r
+\r
+;;;for DE1 internal memory constraints.\r
+.segment "VECINFO_4k"\r
+       .word   nmi_test\r
+       .word   Reset\r
+       .word   $0000\r
+\r
+.segment "VECINFO"\r
+       .word   nmi_test\r
+       .word   Reset\r
+       .word   $0000\r
+\r
+; character rom file.\r
+.segment "CHARS"\r
+       .incbin "character.chr"\r