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Revision 206

Added by markw about 11 years ago

Applied patches form Hias - mostly make the firmware smaller. 0001-firmware-read-cartridge-data-in-a-single-chunk. 0002-firmware-get-rid-of-regs.c-this-saves-some-300-bytes 0003-firmware-get-rid-of-libgcc-for-a800-firmware-build

View differences:

firmware/5200/regs.c
#include "regs.h"
#include "memory.h"
int volatile * zpu_in1 = (int *)(0*4+config_regbase);
int volatile * zpu_in2 = (int *)(1*4+config_regbase);
int volatile * zpu_in3 = (int *)(2*4+config_regbase);
int volatile * zpu_in4 = (int *)(3*4+config_regbase);
int volatile * zpu_out1 = (int *)(4*4+config_regbase);
int volatile * zpu_out2 = (int *)(5*4+config_regbase);
int volatile * zpu_out3 = (int *)(6*4+config_regbase);
int volatile * zpu_out4 = (int *)(7*4+config_regbase);
int volatile * zpu_pause = (int *)(8*4+config_regbase);
int volatile * zpu_spi_data = (int *)(9*4+config_regbase);
int volatile * zpu_spi_state = (int *)(10*4+config_regbase);
int volatile * zpu_sio = (int *)(11*4+config_regbase);
int volatile * zpu_board = (int *)(12*4+config_regbase);
int volatile * zpu_spi_dma = (int *)(13*4+config_regbase);
unsigned char volatile * zpu_pokey_audf0 = (unsigned char *)(0x10*4+config_regbase);
unsigned char volatile * zpu_pokey_audc0 = (unsigned char *)(0x11*4+config_regbase);
unsigned char volatile * zpu_pokey_audf1 = (unsigned char *)(0x12*4+config_regbase);
unsigned char volatile * zpu_pokey_audc1 = (unsigned char *)(0x13*4+config_regbase);
unsigned char volatile * zpu_pokey_audf2 = (unsigned char *)(0x14*4+config_regbase);
unsigned char volatile * zpu_pokey_audc2 = (unsigned char *)(0x15*4+config_regbase);
unsigned char volatile * zpu_pokey_audf3 = (unsigned char *)(0x16*4+config_regbase);
unsigned char volatile * zpu_pokey_audc3 = (unsigned char *)(0x17*4+config_regbase);
unsigned char volatile * zpu_pokey_audctl = (unsigned char *)(0x18*4+config_regbase);
unsigned char volatile * zpu_pokey_skrest = (unsigned char *)(0x1a*4+config_regbase);
unsigned char volatile * zpu_pokey_serout = (unsigned char *)(0x1d*4+config_regbase);
unsigned char volatile * zpu_pokey_irqen = (unsigned char *)(0x1e*4+config_regbase);
unsigned char volatile * zpu_pokey_skctl = (unsigned char *)(0x1f*4+config_regbase);
unsigned char volatile * atari_colbk = (unsigned char *)(0xc01a + atari_regbase);
unsigned char volatile * atari_colpf1 = (unsigned char *)(0xc017 + atari_regbase);
unsigned char volatile * atari_colpf2 = (unsigned char *)(0xc018 + atari_regbase);
unsigned char volatile * atari_colpf3 = (unsigned char *)(0xc019 + atari_regbase);
unsigned char volatile * atari_colpf0 = (unsigned char *)(0xc016 + atari_regbase);
unsigned char volatile * atari_prior = (unsigned char *)(0xc01b + atari_regbase);
unsigned char volatile * atari_trig0 = (unsigned char *)(0xc010 + atari_regbase);
unsigned char volatile * atari_porta = (unsigned char *)(0xd300 + atari_regbase);
unsigned char volatile * atari_portb = (unsigned char *)(0xd301 + atari_regbase);
unsigned char volatile * atari_chbase = (unsigned char *)(0xd409 + atari_regbase);
unsigned char volatile * atari_chactl = (unsigned char *)(0xd401 + atari_regbase);
unsigned char volatile * atari_dmactl = (unsigned char *)(0xd400 + atari_regbase);
unsigned char volatile * atari_dlistl = (unsigned char *)(0xd402 + atari_regbase);
unsigned char volatile * atari_dlisth = (unsigned char *)(0xd403 + atari_regbase);
unsigned char volatile * atari_nmien = (unsigned char *)(0xd40e + atari_regbase);
unsigned char volatile * atari_skctl = (unsigned char *)(0xe80f + atari_regbase);
unsigned char volatile * atari_kbcode = (unsigned char *)(0xe809 + atari_regbase);
unsigned char volatile * atari_random = (unsigned char *)(0xe80a + atari_regbase);
firmware/a800/regs.c
#include "regs.h"
#include "memory.h"
int volatile * zpu_in1 = (int *)(0*4+config_regbase);
int volatile * zpu_in2 = (int *)(1*4+config_regbase);
int volatile * zpu_in3 = (int *)(2*4+config_regbase);
int volatile * zpu_in4 = (int *)(3*4+config_regbase);
int volatile * zpu_out1 = (int *)(4*4+config_regbase);
int volatile * zpu_out2 = (int *)(5*4+config_regbase);
int volatile * zpu_out3 = (int *)(6*4+config_regbase);
int volatile * zpu_out4 = (int *)(7*4+config_regbase);
int volatile * zpu_pause = (int *)(8*4+config_regbase);
int volatile * zpu_spi_data = (int *)(9*4+config_regbase);
int volatile * zpu_spi_state = (int *)(10*4+config_regbase);
int volatile * zpu_sio = (int *)(11*4+config_regbase);
int volatile * zpu_board = (int *)(12*4+config_regbase);
int volatile * zpu_spi_dma = (int *)(13*4+config_regbase);
unsigned char volatile * zpu_pokey_audf0 = (unsigned char *)(0x10*4+config_regbase);
unsigned char volatile * zpu_pokey_audc0 = (unsigned char *)(0x11*4+config_regbase);
unsigned char volatile * zpu_pokey_audf1 = (unsigned char *)(0x12*4+config_regbase);
unsigned char volatile * zpu_pokey_audc1 = (unsigned char *)(0x13*4+config_regbase);
unsigned char volatile * zpu_pokey_audf2 = (unsigned char *)(0x14*4+config_regbase);
unsigned char volatile * zpu_pokey_audc2 = (unsigned char *)(0x15*4+config_regbase);
unsigned char volatile * zpu_pokey_audf3 = (unsigned char *)(0x16*4+config_regbase);
unsigned char volatile * zpu_pokey_audc3 = (unsigned char *)(0x17*4+config_regbase);
unsigned char volatile * zpu_pokey_audctl = (unsigned char *)(0x18*4+config_regbase);
unsigned char volatile * zpu_pokey_skrest = (unsigned char *)(0x1a*4+config_regbase);
unsigned char volatile * zpu_pokey_serout = (unsigned char *)(0x1d*4+config_regbase);
unsigned char volatile * zpu_pokey_irqen = (unsigned char *)(0x1e*4+config_regbase);
unsigned char volatile * zpu_pokey_skctl = (unsigned char *)(0x1f*4+config_regbase);
unsigned char volatile * atari_nmien = (unsigned char *)(0xd40e + atari_regbase);
unsigned char volatile * atari_dlistl = (unsigned char *)(0xd402 + atari_regbase);
unsigned char volatile * atari_dlisth = (unsigned char *)(0xd403 + atari_regbase);
unsigned char volatile * atari_colbk = (unsigned char *)(0xd01a + atari_regbase);
unsigned char volatile * atari_colpf1 = (unsigned char *)(0xd017 + atari_regbase);
unsigned char volatile * atari_colpf2 = (unsigned char *)(0xd018 + atari_regbase);
unsigned char volatile * atari_colpf3 = (unsigned char *)(0xd019 + atari_regbase);
unsigned char volatile * atari_colpf0 = (unsigned char *)(0xd016 + atari_regbase);
unsigned char volatile * atari_prior = (unsigned char *)(0xd01b + atari_regbase);
unsigned char volatile * atari_random = (unsigned char *)(0xd20a + atari_regbase);
unsigned char volatile * atari_porta = (unsigned char *)(0xd300 + atari_regbase);
unsigned char volatile * atari_portb = (unsigned char *)(0xd301 + atari_regbase);
unsigned char volatile * atari_trig0 = (unsigned char *)(0xd010 + atari_regbase);
unsigned char volatile * atari_chbase = (unsigned char *)(0xd409 + atari_regbase);
unsigned char volatile * atari_chactl = (unsigned char *)(0xd401 + atari_regbase);
unsigned char volatile * atari_dmactl = (unsigned char *)(0xd400 + atari_regbase);
unsigned char volatile * atari_skctl = (unsigned char *)(0xd20f + atari_regbase);
firmware/Makefile
COMMON_SRC = cartridge.c fileutils.c fileselector.c pokey/uart.c hexdump.c printf/printf.c fat/pff_file.c fat/pff.c common/utils.c
SDCARD_SRC = sd_direct/diskio_mmc.c sd_direct/spi.c sd_direct/mmc2.c
A800_SRC_LIGHT = a800/freeze.c a800/mainmenu.c atari_drive_emulator.c
A800_SRC = ${A800_SRC_LIGHT} a800/joystick.c a800/regs.c
A800_SRC = ${A800_SRC_LIGHT} a800/joystick.c libgcc_divmod.c
5200_SRC_LIGHT = 5200/freeze.c 5200/mainmenu.c
5200_SRC = ${5200_SRC_LIGHT} 5200/joystick.c 5200/regs.c
5200_SRC = ${5200_SRC_LIGHT} 5200/joystick.c
AEON_LITE_PRJ = AEON_LITE
AEON_LITE_SRC = $(COMMON_SRC) $(SDCARD_SRC) $(A800_SRC) de1/dirs.c
......
HOST_CFLAGS += -I. -Isd_direct -Iprintf -Ifat -Icommon -Isdram_common -DDISABLE_UART_RX
LFLAGS = -nostartfiles -Wl,--relax -g -Os -Wl,-Map=out.map
LFLAGS = -nostartfiles -nostdlib -Wl,--relax -g -Os -Wl,-Map=out.map
LFLAGS_5200 = -nostartfiles -Wl,--relax -g -Os -Wl,-Map=out.map
#LFLAGS = -nostartfiles -Os
CFLAGS_5200 = $(CFLAGS) -DFIRMWARE_5200
HOST_CFLAGS_5200 = $(HOST_CFLAGS) -DFIRMWARE_5200
# Our target.
all: mcc mist de1 aeon_lite chameleon de1_5200 mist_5200
......
$(LD) $(LFLAGS) -T $(LINKMAP) -o $@ $+ $(LIBS)
$(DE1_5200_PRJ).elf: $(MINSTARTUP_OBJ) $(DE1_5200_OBJ)
$(LD) $(LFLAGS) -T $(LINKMAP) -o $@ $+ $(LIBS)
$(LD) $(LFLAGS_5200) -T $(LINKMAP) -o $@ $+ $(LIBS)
$(CHAMELEON_PRJ).elf: $(MINSTARTUP_OBJ) $(CHAMELEON_OBJ)
$(LD) $(LFLAGS) -T $(LINKMAP) -o $@ $+ $(LIBS)
......
$(LD) $(LFLAGS) -T $(LINKMAP) -o $@ $+ $(LIBS)
$(MIST_5200_PRJ).elf: $(MINSTARTUP_OBJ) $(MIST_5200_OBJ)
$(LD) $(LFLAGS) -T $(LINKMAP) -o $@ $+ $(LIBS)
$(LD) $(LFLAGS_5200) -T $(LINKMAP) -o $@ $+ $(LIBS)
$(LINUXSIM_EXE): $(LINUXSIM_OBJ)
$(HOST_LD) $(HOST_LDFLAGS) -o $@ $+
......
$(DE1_5200_BUILD_DIR)/%.o: %.c Makefile
mkdir -p `dirname $@`
$(CC) -I$(DE1_5200_DIR) $(CFLAGS) -o $@ -c $<
$(CC) -I$(DE1_5200_DIR) $(CFLAGS_5200) -o $@ -c $<
$(MCC_BUILD_DIR)/%.o: %.c Makefile
mkdir -p `dirname $@`
......
$(MIST_5200_BUILD_DIR)/%.o: %.c Makefile
mkdir -p `dirname $@`
$(CC) -I$(MIST_5200_DIR) $(CFLAGS) -o $@ -c $<
$(CC) -I$(MIST_5200_DIR) $(CFLAGS_5200) -o $@ -c $<
$(LINUXSIM_BUILD_DIR)/%.o: %.c Makefile
@mkdir -p `dirname $@`
......
$(LINUXSIM_5200_BUILD_DIR)/%.o: %.c Makefile
@mkdir -p `dirname $@`
$(HOST_CC) -I$(LINUXSIM_DIR) $(HOST_CFLAGS) -o $@ -c $<
$(HOST_CC) -I$(LINUXSIM_DIR) $(HOST_CFLAGS_5200) -o $@ -c $<
$(BUILD_DIR)/%.o: %.s
$(AS) -o $@ $<
firmware/cartridge.c
LOG("illegal cart type %d\n", carttype);
return 0;
}
// read data in 8k chunks
unsigned int block;
for(block = 0; block < def->size >> 3; block++) {
ok = file_read(file, CARTRIDGE_MEM + block * 0x2000, 0x2000, &len);
if (ok != SimpleFile_OK || len != 0x2000) {
LOG("cannot read cart data\n");
return 0;
}
unsigned int byte_len = (unsigned int) def->size << 10;
ok = file_read(file, CARTRIDGE_MEM, byte_len, &len);
if (ok != SimpleFile_OK || len != byte_len) {
LOG("cannot read cart data\n");
return 0;
}
LOG("cart type: %d size: %dk\n",
def->mode, def->size);
firmware/libgcc_divmod.c
unsigned long
udivmodsi4(unsigned long num, unsigned long den, int modwanted)
{
unsigned long bit = 1;
unsigned long res = 0;
while (den < num && bit && !(den & (1L<<31)))
{
den <<=1;
bit <<=1;
}
while (bit)
{
if (num >= den)
{
num -= den;
res |= bit;
}
bit >>=1;
den >>=1;
}
if (modwanted) return num;
return res;
}
long
__udivsi3 (long a, long b)
{
return udivmodsi4 (a, b, 0);
}
long
__umodsi3 (long a, long b)
{
return udivmodsi4 (a, b, 1);
}
long
__divsi3 (long a, long b)
{
int neg = 0;
long res;
if (a < 0)
{
a = -a;
neg = !neg;
}
if (b < 0)
{
b = -b;
neg = !neg;
}
res = udivmodsi4 (a, b, 0);
if (neg)
res = -res;
return res;
}
long
__modsi3 (long a, long b)
{
int neg = 0;
long res;
if (a < 0)
{
a = -a;
neg = 1;
}
if (b < 0)
b = -b;
res = udivmodsi4 (a, b, 1);
if (neg)
res = -res;
return res;
}
firmware/linux/linux_memory.c
#include "memory.h"
#include "linux_memory.h"
int volatile * zpu_in1;
int volatile * zpu_in2;
int volatile * zpu_in3;
int volatile * zpu_in4;
int volatile * zpu_out1;
int volatile * zpu_out2;
int volatile * zpu_out3;
int volatile * zpu_out4;
int volatile * zpu_pause;
int volatile * zpu_spi_data;
int volatile * zpu_spi_state;
int volatile * zpu_sio;
int volatile * zpu_board;
int volatile * zpu_spi_dma;
unsigned char volatile * zpu_pokey_audf0;
unsigned char volatile * zpu_pokey_audc0;
unsigned char volatile * zpu_pokey_audf1;
unsigned char volatile * zpu_pokey_audc1;
unsigned char volatile * zpu_pokey_audf2;
unsigned char volatile * zpu_pokey_audc2;
unsigned char volatile * zpu_pokey_audf3;
unsigned char volatile * zpu_pokey_audc3;
unsigned char volatile * zpu_pokey_audctl;
unsigned char volatile * zpu_pokey_skrest;
unsigned char volatile * zpu_pokey_serout;
unsigned char volatile * zpu_pokey_irqen;
unsigned char volatile * zpu_pokey_skctl;
unsigned char volatile * atari_nmien;
unsigned char volatile * atari_dlistl;
unsigned char volatile * atari_dlisth;
unsigned char volatile * atari_colbk;
unsigned char volatile * atari_colpf1;
unsigned char volatile * atari_colpf2;
unsigned char volatile * atari_colpf3;
unsigned char volatile * atari_colpf0;
unsigned char volatile * atari_prior;
unsigned char volatile * atari_random;
unsigned char volatile * atari_porta;
unsigned char volatile * atari_portb;
unsigned char volatile * atari_trig0;
unsigned char volatile * atari_chbase;
unsigned char volatile * atari_chactl;
unsigned char volatile * atari_dmactl;
unsigned char volatile * atari_skctl;
void* SRAM_BASE;
void* SDRAM_BASE;
void* atari_regbase;
......
config_regbase = config_memory;
CARTRIDGE_MEM = cartridge_memory;
zpu_in1 = (int *)(0*4+config_regbase);
zpu_in2 = (int *)(1*4+config_regbase);
zpu_in3 = (int *)(2*4+config_regbase);
zpu_in4 = (int *)(3*4+config_regbase);
zpu_out1 = (int *)(4*4+config_regbase);
zpu_out2 = (int *)(5*4+config_regbase);
zpu_out3 = (int *)(6*4+config_regbase);
zpu_out4 = (int *)(7*4+config_regbase);
zpu_pause = (int *)(8*4+config_regbase);
zpu_spi_data = (int *)(9*4+config_regbase);
zpu_spi_state = (int *)(10*4+config_regbase);
zpu_sio = (int *)(11*4+config_regbase);
zpu_board = (int *)(12*4+config_regbase);
zpu_spi_dma = (int *)(13*4+config_regbase);
zpu_pokey_audf0 = (unsigned char *)(0x10*4+config_regbase);
zpu_pokey_audc0 = (unsigned char *)(0x11*4+config_regbase);
zpu_pokey_audf1 = (unsigned char *)(0x12*4+config_regbase);
zpu_pokey_audc1 = (unsigned char *)(0x13*4+config_regbase);
zpu_pokey_audf2 = (unsigned char *)(0x14*4+config_regbase);
zpu_pokey_audc2 = (unsigned char *)(0x15*4+config_regbase);
zpu_pokey_audf3 = (unsigned char *)(0x16*4+config_regbase);
zpu_pokey_audc3 = (unsigned char *)(0x17*4+config_regbase);
zpu_pokey_audctl = (unsigned char *)(0x18*4+config_regbase);
zpu_pokey_skrest = (unsigned char *)(0x1a*4+config_regbase);
zpu_pokey_serout = (unsigned char *)(0x1d*4+config_regbase);
zpu_pokey_irqen = (unsigned char *)(0x1e*4+config_regbase);
zpu_pokey_skctl = (unsigned char *)(0x1f*4+config_regbase);
atari_nmien = (unsigned char *)(0xd40e + atari_regbase);
atari_dlistl = (unsigned char *)(0xd402 + atari_regbase);
atari_dlisth = (unsigned char *)(0xd403 + atari_regbase);
atari_colbk = (unsigned char *)(0xd01a + atari_regbase);
atari_colpf1 = (unsigned char *)(0xd017 + atari_regbase);
atari_colpf2 = (unsigned char *)(0xd018 + atari_regbase);
atari_colpf3 = (unsigned char *)(0xd019 + atari_regbase);
atari_colpf0 = (unsigned char *)(0xd016 + atari_regbase);
atari_prior = (unsigned char *)(0xd01b + atari_regbase);
atari_random = (unsigned char *)(0xd20a + atari_regbase);
atari_porta = (unsigned char *)(0xd300 + atari_regbase);
atari_portb = (unsigned char *)(0xd301 + atari_regbase);
atari_trig0 = (unsigned char *)(0xd010 + atari_regbase);
atari_chbase = (unsigned char *)(0xd409 + atari_regbase);
atari_chactl = (unsigned char *)(0xd401 + atari_regbase);
atari_dmactl = (unsigned char *)(0xd400 + atari_regbase);
atari_skctl = (unsigned char *)(0xd20f + atari_regbase);
// command line is high
*zpu_sio = 1;
// no trigger pressed
firmware/regs.h
#ifndef regs_h
#define regs_h
#include "memory.h"
static const int screen_address = 11328;
extern int volatile * zpu_in1;
extern int volatile * zpu_in2;
extern int volatile * zpu_in3;
extern int volatile * zpu_in4;
#define zpu_in1 ((int volatile *)(0*4+config_regbase))
#define zpu_in2 ((int volatile *)(1*4+config_regbase))
#define zpu_in3 ((int volatile *)(2*4+config_regbase))
#define zpu_in4 ((int volatile *)(3*4+config_regbase))
extern int volatile * zpu_out1;
extern int volatile * zpu_out2;
extern int volatile * zpu_out3;
extern int volatile * zpu_out4;
#define zpu_out1 ((int volatile *)(4*4+config_regbase))
#define zpu_out2 ((int volatile *)(5*4+config_regbase))
#define zpu_out3 ((int volatile *)(6*4+config_regbase))
#define zpu_out4 ((int volatile *)(7*4+config_regbase))
extern int volatile * zpu_pause;
extern int volatile * zpu_spi_data;
extern int volatile * zpu_spi_state;
extern int volatile * zpu_sio;
extern int volatile * zpu_board;
#define zpu_pause ((int volatile *)(8*4+config_regbase))
extern int volatile * zpu_spi_dma;
extern unsigned char volatile * zpu_pokey_audf0;
extern unsigned char volatile * zpu_pokey_audc0;
extern unsigned char volatile * zpu_pokey_audf1;
extern unsigned char volatile * zpu_pokey_audc1;
extern unsigned char volatile * zpu_pokey_audf2;
extern unsigned char volatile * zpu_pokey_audc2;
extern unsigned char volatile * zpu_pokey_audf3;
extern unsigned char volatile * zpu_pokey_audc3;
extern unsigned char volatile * zpu_pokey_audctl;
extern unsigned char volatile * zpu_pokey_skrest;
extern unsigned char volatile * zpu_pokey_serout;
extern unsigned char volatile * zpu_pokey_irqen;
extern unsigned char volatile * zpu_pokey_skctl;
#define zpu_spi_data ((int volatile *)(9*4+config_regbase))
#define zpu_spi_state ((int volatile *)(10*4+config_regbase))
extern unsigned char volatile * atari_nmien;
extern unsigned char volatile * atari_dlistl;
extern unsigned char volatile * atari_dlisth;
extern unsigned char volatile * atari_colbk;
extern unsigned char volatile * atari_colpf1;
extern unsigned char volatile * atari_colpf2;
extern unsigned char volatile * atari_colpf3;
extern unsigned char volatile * atari_colpf0;
extern unsigned char volatile * atari_prior;
extern unsigned char volatile * atari_random;
extern unsigned char volatile * atari_porta;
extern unsigned char volatile * atari_portb;
extern unsigned char volatile * atari_trig0;
extern unsigned char volatile * atari_chbase;
extern unsigned char volatile * atari_chactl;
extern unsigned char volatile * atari_dmactl;
extern unsigned char volatile * atari_skctl;
extern unsigned char volatile * atari_kbcode;
#define zpu_sio ((int volatile *)(11*4+config_regbase))
#define zpu_board ((int volatile *)(12*4+config_regbase))
#define zpu_spi_dma ((int volatile *)(13*4+config_regbase))
#define zpu_pokey_audf0 ((unsigned char volatile *)(0x10*4+config_regbase))
#define zpu_pokey_audc0 ((unsigned char volatile *)(0x11*4+config_regbase))
#define zpu_pokey_audf1 ((unsigned char volatile *)(0x12*4+config_regbase))
#define zpu_pokey_audc1 ((unsigned char volatile *)(0x13*4+config_regbase))
#define zpu_pokey_audf2 ((unsigned char volatile *)(0x14*4+config_regbase))
#define zpu_pokey_audc2 ((unsigned char volatile *)(0x15*4+config_regbase))
#define zpu_pokey_audf3 ((unsigned char volatile *)(0x16*4+config_regbase))
#define zpu_pokey_audc3 ((unsigned char volatile *)(0x17*4+config_regbase))
#define zpu_pokey_audctl ((unsigned char volatile *)(0x18*4+config_regbase))
#define zpu_pokey_skrest ((unsigned char volatile *)(0x1a*4+config_regbase))
#define zpu_pokey_serout ((unsigned char volatile *)(0x1d*4+config_regbase))
#define zpu_pokey_irqen ((unsigned char volatile *)(0x1e*4+config_regbase))
#define zpu_pokey_skctl ((unsigned char volatile *)(0x1f*4+config_regbase))
#define atari_nmien ((unsigned char volatile *)(0xd40e + atari_regbase))
#define atari_dlistl ((unsigned char volatile *)(0xd402 + atari_regbase))
#define atari_dlisth ((unsigned char volatile *)(0xd403 + atari_regbase))
#define atari_porta ((unsigned char volatile *)(0xd300 + atari_regbase))
#define atari_portb ((unsigned char volatile *)(0xd301 + atari_regbase))
#define atari_trig0 ((unsigned char volatile *)(0xd010 + atari_regbase))
#define atari_chbase ((unsigned char volatile *)(0xd409 + atari_regbase))
#define atari_chactl ((unsigned char volatile *)(0xd401 + atari_regbase))
#define atari_dmactl ((unsigned char volatile *)(0xd400 + atari_regbase))
#ifdef FIRMWARE_5200
// 5200: GTIA and POKEY are on different addresses
#define atari_colbk ((unsigned char volatile *)(0xc01a + atari_regbase))
#define atari_colpf1 ((unsigned char volatile *)(0xc017 + atari_regbase))
#define atari_colpf2 ((unsigned char volatile *)(0xc018 + atari_regbase))
#define atari_colpf3 ((unsigned char volatile *)(0xc019 + atari_regbase))
#define atari_colpf0 ((unsigned char volatile *)(0xc016 + atari_regbase))
#define atari_prior ((unsigned char volatile *)(0xc01b + atari_regbase))
#define atari_skctl ((unsigned char volatile *)(0xe80f + atari_regbase))
#define atari_kbcode ((unsigned char volatile *)(0xe809 + atari_regbase))
#define atari_random ((unsigned char volatile *)(0xe80a + atari_regbase))
#else
#define atari_colbk ((unsigned char volatile *)(0xd01a + atari_regbase))
#define atari_colpf1 ((unsigned char volatile *)(0xd017 + atari_regbase))
#define atari_colpf2 ((unsigned char volatile *)(0xd018 + atari_regbase))
#define atari_colpf3 ((unsigned char volatile *)(0xd019 + atari_regbase))
#define atari_colpf0 ((unsigned char volatile *)(0xd016 + atari_regbase))
#define atari_prior ((unsigned char volatile *)(0xd01b + atari_regbase))
#define atari_skctl ((unsigned char volatile *)(0xd20f + atari_regbase))
#define atari_kbcode ((unsigned char volatile *)(0xd209 + atari_regbase))
#define atari_random ((unsigned char volatile *)(0xd20a + atari_regbase))
#endif
#endif // regs_h

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