From 3aa246d41fe39f4b851ead941846b66ce0c5f492 Mon Sep 17 00:00:00 2001 From: Jesse Luehrs Date: Wed, 1 Oct 2014 16:02:02 -0400 Subject: unix line endings --- test.s | 224 ++++++++++++++++++++++++++++++++--------------------------------- 1 file changed, 112 insertions(+), 112 deletions(-) diff --git a/test.s b/test.s index da3030c..4d7705b 100644 --- a/test.s +++ b/test.s @@ -1,112 +1,112 @@ -.MEMORYMAP -SLOTSIZE $2000 -DEFAULTSLOT 0 -SLOT 0 $C000 -SLOT 1 $E000 -.ENDME - -.ROMBANKMAP -BANKSTOTAL 2 -BANKSIZE $2000 -BANKS 2 -.ENDRO - - - .bank 0 - .org $0000 -RESET: - SEI ; disable IRQs - CLD ; disable decimal mode - LDX #$40 - STX $4017.W ; disable APU frame IRQ - LDX #$FF - TXS ; Set up stack - INX ; now X = 0 - STX $2000.W ; disable NMI - STX $2001.W ; disable rendering - STX $4010.W ; disable DMC IRQs - -vblankwait1: ; First wait for vblank to make sure PPU is ready - BIT $2002 - BPL vblankwait1 - -clrmem: - LDA #$00 - STA $0000, x - STA $0100, x - STA $0200, x - STA $0400, x - STA $0500, x - STA $0600, x - STA $0700, x - LDA #$FE - STA $0300, x - INX - BNE clrmem - -vblankwait2: ; Second wait for vblank, PPU is ready after this - BIT $2002 - BPL vblankwait2 - - LDA #%10000000 ;intensify blues - STA $2001 - - LDX #$00 - -read_controller1: - ; latch - LDA #$01 - STA $4016 - LDA #$00 - STA $4016 - - ; clock - LDA $4016 ; A - AND #%00000001 - TAY - LDA $4016 ; B - LDA $4016 ; Select - LDA $4016 ; Start - LDA $4016 ; Up - LDA $4016 ; Down - LDA $4016 ; Left - LDA $4016 ; Right - - CPY #$00 - BEQ read_controller1 - - CPX #$00 - BEQ turn_green - CPX #$01 - BEQ turn_red - -turn_blue: - LDA #%10000000 - STA $2001 - LDX #$00 - JMP read_controller1 - -turn_green: - LDA #%01000000 - STA $2001 - LDX #$01 - JMP read_controller1 - -turn_red: - LDA #%00100000 - STA $2001 - LDX #$02 - JMP read_controller1 - - -NMI: - RTI - - - .bank 1 slot 1 - .orga $FFFA ;first of the three vectors starts here - .dw NMI ;when an NMI happens (once per frame if enabled) the - ;processor will jump to the label NMI: - .dw RESET ;when the processor first turns on or is reset, it will jump - ;to the label RESET: - .dw 0 ;external interrupt IRQ is not used in this tutorial +.MEMORYMAP +SLOTSIZE $2000 +DEFAULTSLOT 0 +SLOT 0 $C000 +SLOT 1 $E000 +.ENDME + +.ROMBANKMAP +BANKSTOTAL 2 +BANKSIZE $2000 +BANKS 2 +.ENDRO + + + .bank 0 + .org $0000 +RESET: + SEI ; disable IRQs + CLD ; disable decimal mode + LDX #$40 + STX $4017.W ; disable APU frame IRQ + LDX #$FF + TXS ; Set up stack + INX ; now X = 0 + STX $2000.W ; disable NMI + STX $2001.W ; disable rendering + STX $4010.W ; disable DMC IRQs + +vblankwait1: ; First wait for vblank to make sure PPU is ready + BIT $2002 + BPL vblankwait1 + +clrmem: + LDA #$00 + STA $0000, x + STA $0100, x + STA $0200, x + STA $0400, x + STA $0500, x + STA $0600, x + STA $0700, x + LDA #$FE + STA $0300, x + INX + BNE clrmem + +vblankwait2: ; Second wait for vblank, PPU is ready after this + BIT $2002 + BPL vblankwait2 + + LDA #%10000000 ;intensify blues + STA $2001 + + LDX #$00 + +read_controller1: + ; latch + LDA #$01 + STA $4016 + LDA #$00 + STA $4016 + + ; clock + LDA $4016 ; A + AND #%00000001 + TAY + LDA $4016 ; B + LDA $4016 ; Select + LDA $4016 ; Start + LDA $4016 ; Up + LDA $4016 ; Down + LDA $4016 ; Left + LDA $4016 ; Right + + CPY #$00 + BEQ read_controller1 + + CPX #$00 + BEQ turn_green + CPX #$01 + BEQ turn_red + +turn_blue: + LDA #%10000000 + STA $2001 + LDX #$00 + JMP read_controller1 + +turn_green: + LDA #%01000000 + STA $2001 + LDX #$01 + JMP read_controller1 + +turn_red: + LDA #%00100000 + STA $2001 + LDX #$02 + JMP read_controller1 + + +NMI: + RTI + + + .bank 1 slot 1 + .orga $FFFA ;first of the three vectors starts here + .dw NMI ;when an NMI happens (once per frame if enabled) the + ;processor will jump to the label NMI: + .dw RESET ;when the processor first turns on or is reset, it will jump + ;to the label RESET: + .dw 0 ;external interrupt IRQ is not used in this tutorial -- cgit v1.2.3