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Code Issues Projects Releases Wiki Activity

First implementation of Game Controller (Joystick / Paddle)

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This commit is contained in:
tudnai 2020-05-20 09:56:35 -07:00
parent 0fef4708f8
commit 1b4985d3c8
4 changed files with 378 additions and 296 deletions
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12
A2Mac.xcodeproj/project.pbxproj
View File

@ -189,6 +189,7 @@
3262F37523E169F8008BDB95 /* spk_up.wav */ = {isa = PBXFileReference; lastKnownFileType = audio.wav; path = spk_up.wav; sourceTree = "<group>"; };
3264261023284F6F008B615F /* Apple2_mmio_8bit_ioaddr.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Apple2_mmio_8bit_ioaddr.h; sourceTree = "<group>"; };
326426112328ADF4008B615F /* Apple_II_ROM.s */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.asm; path = Apple_II_ROM.s; sourceTree = "<group>"; };
3268E68E2474E24900047474 /* paddle.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = paddle.h; sourceTree = "<group>"; };
326ED2EE232D7A0000A41337 /* 6502_functional_test.bin */ = {isa = PBXFileReference; lastKnownFileType = archive.macbinary; path = 6502_functional_test.bin; sourceTree = SOURCE_ROOT; };
32A9F72B24668D26004902A1 /* apple-rainbow.jpg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = "apple-rainbow.jpg"; sourceTree = "<group>"; };
32A9F7482467B60B004902A1 /* speaker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = speaker.h; sourceTree = "<group>"; };
@ -315,8 +316,9 @@
isa = PBXGroup;
children = (
32A9F7472467B5DF004902A1 /* audio */,
325EB63B23FA57C000C6B4A4 /* mem */,
325EB63323F8863100C6B4A4 /* disk */,
3268E68D2474E18F00047474 /* game */,
325EB63B23FA57C000C6B4A4 /* mem */,
);
path = dev;
sourceTree = "<group>";
@ -424,6 +426,14 @@
path = Resources;
sourceTree = "<group>";
};
3268E68D2474E18F00047474 /* game */ = {
isa = PBXGroup;
children = (
3268E68E2474E24900047474 /* paddle.h */,
);
path = game;
sourceTree = "<group>";
};
32A9F7472467B5DF004902A1 /* audio */ = {
isa = PBXGroup;
children = (

611
A2Mac.xcodeproj/project.xcworkspace/xcuserdata/trudnai.xcuserdatad/xcdebugger/Expressions.xcexplist
View File

@ -6,41 +6,40 @@
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@ -54,66 +53,86 @@
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@ -135,26 +154,37 @@
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@ -170,6 +200,170 @@
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@ -206,69 +400,13 @@
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@ -276,10 +414,10 @@
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@ -302,55 +440,62 @@
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@ -372,171 +517,55 @@
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41
src/dev/game/paddle.h Normal file
View File

@ -0,0 +1,41 @@
//
// paddle.h
// A2Mac
//
// Created by Tamas Rudnai on 5/19/20.
// Copyright © 2020 GameAlloy. All rights reserved.
//
#ifndef paddle_h
#define paddle_h
#include "6502.h"
#define PDL_MAX_TIME 3300.0
#define PDL_TIME_DECAY ( 255.0 / PDL_MAX_TIME )
uint64_t pdl_reset_time = 0;
uint64_t pdl_current_time = 0;
uint64_t pdl_elapsed_time = 0;
float pdl_value[4] = { 0.5, 0.0, 1.0, 0.1 };
INLINE uint8_t pdl_reset() {
pdl_reset_time = m6502.clktime + clkfrm;
return 0;
}
INLINE uint8_t pdl_read( uint8_t pdl ) {
pdl_current_time = m6502.clktime + clkfrm;
pdl_elapsed_time = pdl_current_time - pdl_reset_time;
double normalized_time = pdl_elapsed_time / PDL_MAX_TIME; // 0: started, >= 1 ended
// printf("PDL%d: %d\n", pdl, (uint8_t) ( pdl_value[pdl] * 512 * ( 1 - (pdl_elapsed_time / PDL_MAX_TIME) )) );
// return (uint8_t) ( pdl_value[pdl] * 512 * ( 1 - (pdl_elapsed_time / PDL_MAX_TIME) ) );
return normalized_time >= pdl_value[pdl] ? 0 : 0x80;
}
#endif /* paddle_h */

10
src/dev/mem/mmio.h
View File

@ -14,6 +14,7 @@
#include "disk.h"
#include "woz.h"
#include "speaker.h"
#include "paddle.h"
typedef union address16_u {
@ -486,11 +487,12 @@ INLINE uint8_t ioRead( uint16_t addr ) {
case (uint8_t)io_PDL1:
case (uint8_t)io_PDL2:
case (uint8_t)io_PDL3:
// if ( RAM[addr] > 127 ) {
// RAM[addr]--;
// }
return Apple2_64K_RAM[addr];
printf("PDL%d: %d\n", addr - io_PDL0, pdl_read( addr - io_PDL0 ));
return pdl_read( addr - io_PDL0 );
case (uint8_t)io_PDL_STROBE:
return pdl_reset();
case (uint8_t)io_MEM_RDRAM_NOWR_2:
case (uint8_t)io_MEM_RDROM_WRAM_2:
case (uint8_t)io_MEM_RDROM_NOWR_2: