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1
.gitignore
vendored
1
.gitignore
vendored
|
@ -8,6 +8,7 @@ nohup.out
|
|||
target/**/*.o
|
||||
target/**/*.bit
|
||||
target/**/*.mcs
|
||||
target/**/*.bin
|
||||
target/**/avr_progmem.*
|
||||
target/*/ipcore/WatchEvents.asy
|
||||
target/*/ipcore/WatchEvents.gise
|
||||
|
|
|
@ -14,16 +14,35 @@
|
|||
* VERSION and NAME are used in the start-up message
|
||||
********************************************************/
|
||||
|
||||
#define VERSION "0.984"
|
||||
#define VERSION "0.998"
|
||||
|
||||
// The X commands allows the various interrupt inputs to be overridded
|
||||
// They are named after the data sheet pin name
|
||||
|
||||
#if defined(CPU_Z80)
|
||||
#define NAME "ICE-Z80"
|
||||
#define XCMD0 "xbusrq"
|
||||
#define XCMD1 "xint"
|
||||
#define XCMD2 "xnmi"
|
||||
#define XCMD3 "xres"
|
||||
#elif defined(CPU_6502)
|
||||
#define NAME "ICE-6502"
|
||||
#define XCMD0 "xirq"
|
||||
#define XCMD1 "xnmi"
|
||||
#define XCMD2 "xres"
|
||||
#define XCMD3 "xso "
|
||||
#elif defined(CPU_65C02)
|
||||
#define NAME "ICE-65C02"
|
||||
#define XCMD0 "xirq"
|
||||
#define XCMD1 "xnmi"
|
||||
#define XCMD2 "xres"
|
||||
#define XCMD3 "xso "
|
||||
#elif defined(CPU_6809)
|
||||
#define NAME "ICE-6809"
|
||||
#define XCMD0 "xfiq"
|
||||
#define XCMD1 "xirq"
|
||||
#define XCMD2 "xnmi"
|
||||
#define XCMD3 "xres"
|
||||
#else
|
||||
#error "Unsupported CPU type"
|
||||
#endif
|
||||
|
@ -70,7 +89,6 @@ char *cmdStrings[] = {
|
|||
"load",
|
||||
"save",
|
||||
"srec",
|
||||
"special",
|
||||
"reset",
|
||||
"trace",
|
||||
"blist",
|
||||
|
@ -87,7 +105,13 @@ char *cmdStrings[] = {
|
|||
"watcho",
|
||||
#endif
|
||||
"clear",
|
||||
"trigger"
|
||||
"trigger",
|
||||
"timermode",
|
||||
"timeout",
|
||||
XCMD0,
|
||||
XCMD1,
|
||||
XCMD2,
|
||||
XCMD3
|
||||
};
|
||||
|
||||
// Must be kept in step with cmdStrings (just above)
|
||||
|
@ -123,7 +147,6 @@ void (*cmdFuncs[])(char *params) = {
|
|||
doCmdLoad,
|
||||
doCmdSave,
|
||||
doCmdSRec,
|
||||
doCmdSpecial,
|
||||
doCmdReset,
|
||||
doCmdTrace,
|
||||
doCmdList,
|
||||
|
@ -140,7 +163,13 @@ void (*cmdFuncs[])(char *params) = {
|
|||
doCmdWatchWrIO,
|
||||
#endif
|
||||
doCmdClear,
|
||||
doCmdTrigger
|
||||
doCmdTrigger,
|
||||
doCmdTimerMode,
|
||||
doCmdTimeout,
|
||||
doCmdXCmd0,
|
||||
doCmdXCmd1,
|
||||
doCmdXCmd2,
|
||||
doCmdXCmd3
|
||||
};
|
||||
|
||||
#if defined(EXTENDED_HELP)
|
||||
|
@ -162,6 +191,8 @@ static const char ARGS13[] PROGMEM = "<start> <end> <to>";
|
|||
static const char ARGS14[] PROGMEM = "[ <value> ]";
|
||||
static const char ARGS15[] PROGMEM = "[ <command> ]";
|
||||
static const char ARGS16[] PROGMEM = "<op1> [ <op2> [ <op3> ] ]";
|
||||
static const char ARGS17[] PROGMEM = "[ <source> [ <prescale> [ <reset address> ] ] ]";
|
||||
static const char ARGS18[] PROGMEM = "e|c|d|f";
|
||||
|
||||
static const char * const argsStrings[] PROGMEM = {
|
||||
ARGS00,
|
||||
|
@ -180,7 +211,9 @@ static const char * const argsStrings[] PROGMEM = {
|
|||
ARGS13,
|
||||
ARGS14,
|
||||
ARGS15,
|
||||
ARGS16
|
||||
ARGS16,
|
||||
ARGS17,
|
||||
ARGS18
|
||||
};
|
||||
|
||||
// Must be kept in step with cmdStrings (just above)
|
||||
|
@ -190,8 +223,8 @@ static const uint8_t helpMeta[] PROGMEM = {
|
|||
#endif
|
||||
17, 15, // help
|
||||
9, 8, // continue
|
||||
24, 7, // next
|
||||
32, 6, // step
|
||||
24, 1, // next
|
||||
31, 6, // step
|
||||
27, 7, // regs
|
||||
12, 10, // dis
|
||||
16, 7, // flush
|
||||
|
@ -201,7 +234,7 @@ static const uint8_t helpMeta[] PROGMEM = {
|
|||
8, 13, // compare
|
||||
22, 1, // mem
|
||||
26, 2, // rd
|
||||
41, 3, // wr
|
||||
42, 3, // wr
|
||||
#if defined(CPU_Z80)
|
||||
20, 1, // io
|
||||
19, 2, // in
|
||||
|
@ -212,28 +245,33 @@ static const uint8_t helpMeta[] PROGMEM = {
|
|||
15, 16, // exec
|
||||
23, 14, // mode
|
||||
#endif
|
||||
33, 12, // test
|
||||
32, 12, // test
|
||||
21, 0, // load
|
||||
29, 9, // save
|
||||
31, 7, // srec
|
||||
30, 14, // special
|
||||
30, 7, // srec
|
||||
28, 7, // reset
|
||||
34, 6, // trace
|
||||
35, 6, // trace
|
||||
1, 7, // blist
|
||||
6, 4, // breakx
|
||||
40, 4, // watchx
|
||||
41, 4, // watchx
|
||||
4, 4, // breakr
|
||||
38, 4, // watchr
|
||||
39, 4, // watchr
|
||||
5, 4, // breakw
|
||||
39, 4, // watchw
|
||||
40, 4, // watchw
|
||||
#if defined(CPU_Z80)
|
||||
2, 4, // breaki
|
||||
36, 4, // watchi
|
||||
37, 4, // watchi
|
||||
3, 4, // breako
|
||||
37, 4, // watcho
|
||||
38, 4, // watcho
|
||||
#endif
|
||||
7, 0, // clear
|
||||
35, 5, // trigger
|
||||
36, 5, // trigger
|
||||
34, 17, // timermode
|
||||
33, 14, // timeout
|
||||
43, 18, // xcmd0
|
||||
44, 18, // xcmd1
|
||||
45, 18, // xcmd2
|
||||
46, 18, // xcmd3
|
||||
0, 0
|
||||
};
|
||||
|
||||
|
@ -248,42 +286,42 @@ static const uint8_t helpMeta[] PROGMEM = {
|
|||
#define CTRL_DDR DDRB
|
||||
#define CTRL_DIN PINB
|
||||
|
||||
// A 0->1 transition on bit 5 actually sends a command
|
||||
#define CMD_EDGE 0x20
|
||||
// A 0->1 transition on bit 6 actually sends a command
|
||||
#define CMD_EDGE 0x40
|
||||
|
||||
// Commands are placed on bits 4..0
|
||||
#define CMD_MASK 0x1F
|
||||
|
||||
// Bits 7..6 are the special function output bits
|
||||
// On the 6502, these are used to mask IRQ and NMI
|
||||
#define SPECIAL_0 6
|
||||
#define SPECIAL_1 7
|
||||
#define SPECIAL_MASK ((1<<SPECIAL_0) | (1<<SPECIAL_1))
|
||||
// Commands are placed on bits 5..0
|
||||
#define CMD_MASK 0x3F
|
||||
|
||||
// Hardware Commands:
|
||||
//
|
||||
// 0000x Enable/Disable single strpping
|
||||
// 0001x Enable/Disable breakpoints / watches
|
||||
// 0010x Load breakpoint / watch register
|
||||
// 0011x Reset CPU
|
||||
// 01000 Singe Step CPU
|
||||
// 01001 Read FIFO
|
||||
// 01010 Reset FIFO
|
||||
// 01011 Unused
|
||||
// 0110x Load address/data register
|
||||
// 0111x Unused
|
||||
// 10000 Read Memory
|
||||
// 10001 Read Memory and Auto Inc Address
|
||||
// 10010 Write Memory
|
||||
// 10011 Write Memory and Auto Inc Address
|
||||
// 10100 Read IO
|
||||
// 10101 Read IO and Auto Inc Address
|
||||
// 10110 Write IO
|
||||
// 10111 Write IO and Auto Inc Address
|
||||
// 11000 Exec Go
|
||||
// 11xx1 Unused
|
||||
// 11x1x Unused
|
||||
// 111xx Unused
|
||||
// 00000x Enable/Disable single strpping
|
||||
// 00001x Enable/Disable breakpoints / watches
|
||||
// 00010x Load breakpoint / watch register
|
||||
// 00011x Reset CPU
|
||||
// 001000 Singe Step CPU
|
||||
// 001001 Read FIFO
|
||||
// 001010 Reset FIFO
|
||||
// 001011 Unused
|
||||
// 00110x Load address/data register
|
||||
// 00111x Unused
|
||||
// 010000 Read Memory
|
||||
// 010001 Read Memory and Auto Inc Address
|
||||
// 010010 Write Memory
|
||||
// 010011 Write Memory and Auto Inc Address
|
||||
// 010100 Read IO
|
||||
// 010101 Read IO and Auto Inc Address
|
||||
// 010110 Write IO
|
||||
// 010111 Write IO and Auto Inc Address
|
||||
// 011000 Exec Go
|
||||
// 011xx1 Unused
|
||||
// 011x1x Unused
|
||||
// 0111xx Unused
|
||||
// 10xxxx Int Ctrl
|
||||
// 1100xx Timer Mode
|
||||
// 00 - count cpu cycles where clken = 1 and CountCycle = 1
|
||||
// 01 - count cpu cycles where clken = 1 (ignoring CountCycle)
|
||||
// 10 - free running timer, using busmon_clk as the source
|
||||
// 11 - free running timer, using trig0 as the source
|
||||
|
||||
#define CMD_SINGLE_ENABLE 0x00
|
||||
#define CMD_BRKPT_ENABLE 0x02
|
||||
|
@ -302,6 +340,8 @@ static const uint8_t helpMeta[] PROGMEM = {
|
|||
#define CMD_WR_IO 0x16
|
||||
#define CMD_WR_IO_INC 0x17
|
||||
#define CMD_EXEC_GO 0x18
|
||||
#define CMD_INT_CTRL 0x20
|
||||
#define CMD_TIMER_MODE 0x30
|
||||
|
||||
/********************************************************
|
||||
* AVR Status Register Definitions
|
||||
|
@ -446,6 +486,10 @@ modes_t modes[MAXBKPTS];
|
|||
#define WATCH_EXEC 9
|
||||
#define TRANSIENT 10
|
||||
|
||||
// Mask to test if the breakpoint/watchpoint is a Z80 IO
|
||||
#if defined(CPU_Z80)
|
||||
#define MASK_IO ((1 << BRKPT_IO_READ) | (1 << WATCH_IO_READ) | (1 << BRKPT_IO_WRITE) | (1 << WATCH_IO_WRITE))
|
||||
#endif
|
||||
|
||||
static const char MODE0[] PROGMEM = "Mem Rd Brkpt";
|
||||
static const char MODE1[] PROGMEM = "Mem Rd Watch";
|
||||
|
@ -474,6 +518,21 @@ static const char *modeStrings[NUM_MODES] = {
|
|||
MODE10
|
||||
};
|
||||
|
||||
// The number of different timer sources
|
||||
#define NUM_TIMERS 4
|
||||
|
||||
static const char TIMER0[] PROGMEM = "Normal Cycles";
|
||||
static const char TIMER1[] PROGMEM = "All Cycles";
|
||||
static const char TIMER2[] PROGMEM = "Internal Timer";
|
||||
static const char TIMER3[] PROGMEM = "External Timer";
|
||||
|
||||
static const char *timerStrings[NUM_TIMERS] = {
|
||||
TIMER0,
|
||||
TIMER1,
|
||||
TIMER2,
|
||||
TIMER3
|
||||
};
|
||||
|
||||
// For convenience, several masks are defined that group similar types of breakpoint/watch
|
||||
|
||||
// Mask for all breakpoint types
|
||||
|
@ -580,6 +639,24 @@ static const char * triggerStrings[NUM_TRIGGERS] = {
|
|||
|
||||
#define TRIGGER_UNDEFINED 31
|
||||
|
||||
/********************************************************
|
||||
* Interrupt controls
|
||||
********************************************************/
|
||||
|
||||
static const uint8_t cmd_map[] = { 1, 3, 0, 2 };
|
||||
|
||||
static const char INTCTRL0[] PROGMEM = "Enabled";
|
||||
static const char INTCTRL1[] PROGMEM = "Conditional";
|
||||
static const char INTCTRL2[] PROGMEM = "Forced";
|
||||
static const char INTCTRL3[] PROGMEM = "Disabled";
|
||||
|
||||
static const char *int_ctrl_strings[] = {
|
||||
INTCTRL0,
|
||||
INTCTRL1,
|
||||
INTCTRL2,
|
||||
INTCTRL3
|
||||
};
|
||||
|
||||
/********************************************************
|
||||
* Other global variables
|
||||
********************************************************/
|
||||
|
@ -587,6 +664,9 @@ static const char * triggerStrings[NUM_TRIGGERS] = {
|
|||
// The current memory address (e.g. used when disassembling)
|
||||
addr_t memAddr = 0;
|
||||
|
||||
// The current memory timeout value, in microseconds.
|
||||
uint16_t memTimeout = 0x1000;
|
||||
|
||||
// The address of the next instruction
|
||||
addr_t nextAddr = 0;
|
||||
|
||||
|
@ -605,6 +685,16 @@ uint8_t cmd_id = 0xff;
|
|||
#define MASK_CLOCK_ERROR 1
|
||||
#define MASK_TIMEOUT_ERROR 2
|
||||
|
||||
// Current timer mode setting
|
||||
uint8_t timer_mode = 0x00;
|
||||
uint8_t timer_prescale = 0x01;
|
||||
addr_t timer_resetaddr = 0xffff;
|
||||
unsigned long timer_offset = 0;
|
||||
|
||||
// Current interrupts controls
|
||||
uint8_t int_ctrl = 0;
|
||||
|
||||
|
||||
/********************************************************
|
||||
* User Command Processor
|
||||
********************************************************/
|
||||
|
@ -746,9 +836,13 @@ uint8_t checkargs(char *params) {
|
|||
********************************************************/
|
||||
|
||||
// Send a single hardware command
|
||||
//
|
||||
void hwCmd(cmd_t cmd, cmd_t param) {
|
||||
uint8_t status = STATUS_DIN;
|
||||
uint16_t timeout = 10000;
|
||||
// An interation of the inner loop with a 32-bit loop variable
|
||||
// is 9 instructions. So use F_CPU to scale to the timeout
|
||||
// value is approx microseconds.
|
||||
uint32_t timeout = ((uint32_t) memTimeout) * ((F_CPU / 1000000) / 9);
|
||||
cmd |= param;
|
||||
CTRL_PORT &= ~CMD_MASK;
|
||||
CTRL_PORT ^= cmd | CMD_EDGE;
|
||||
|
@ -877,7 +971,7 @@ void writeIOByteInc() {
|
|||
|
||||
addr_t disMem(addr_t addr) {
|
||||
loadAddr(addr);
|
||||
return disassemble(addr);
|
||||
return disassemble(addr, MODE_NORMAL);
|
||||
}
|
||||
|
||||
void genericDump(char *params, data_t (*readFunc)()) {
|
||||
|
@ -957,8 +1051,9 @@ void genericRead(char *params, data_t (*readFunc)()) {
|
|||
* Logging Helpers
|
||||
********************************************************/
|
||||
|
||||
void logCycleCount(int offsetLow, int offsetHigh) {
|
||||
unsigned long count = (((unsigned long) hwRead8(offsetHigh)) << 16) | hwRead16(offsetLow);
|
||||
void logCycleCount(int offsetLow, int offsetHigh, uint8_t clear) {
|
||||
unsigned long original_count = (((unsigned long) hwRead8(offsetHigh)) << 16) | hwRead16(offsetLow);
|
||||
unsigned long count = ((original_count - timer_offset) & 0xFFFFFF) / timer_prescale;
|
||||
char buffer[16];
|
||||
uint8_t i;
|
||||
// count is 24 bits so a maximum of 16777215
|
||||
|
@ -976,6 +1071,11 @@ void logCycleCount(int offsetLow, int offsetHigh) {
|
|||
}
|
||||
}
|
||||
logs(" : ");
|
||||
// Deal with clearing the counter
|
||||
if (clear) {
|
||||
logs("\n00.000000 : ");
|
||||
timer_offset = original_count;
|
||||
}
|
||||
}
|
||||
|
||||
void logMode(modes_t mode) {
|
||||
|
@ -1012,6 +1112,8 @@ uint8_t logDetails() {
|
|||
|
||||
// Process the dropped counter
|
||||
uint8_t dropped = mode >> 4;
|
||||
// Whether to clear timer
|
||||
uint8_t clear = i_addr == timer_resetaddr;
|
||||
if (dropped) {
|
||||
logstr(" : ");
|
||||
if (dropped == 15) {
|
||||
|
@ -1030,7 +1132,7 @@ uint8_t logDetails() {
|
|||
|
||||
// Update the serial console
|
||||
if (mode & W_MASK) {
|
||||
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH);
|
||||
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH, clear);
|
||||
}
|
||||
logMode(mode);
|
||||
logstr(" hit at ");
|
||||
|
@ -1046,7 +1148,7 @@ uint8_t logDetails() {
|
|||
logc('\n');
|
||||
if (mode & B_RDWR_MASK) {
|
||||
// It's only safe to do this for brkpts, as it makes memory accesses
|
||||
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH);
|
||||
logCycleCount(OFFSET_BW_CNTL, OFFSET_BW_CNTH, clear);
|
||||
disMem(i_addr);
|
||||
}
|
||||
return watch;
|
||||
|
@ -1058,7 +1160,7 @@ void logAddr() {
|
|||
Delay_us(100);
|
||||
memAddr = hwRead16(OFFSET_IAL);
|
||||
// Update the serial console
|
||||
logCycleCount(OFFSET_CNTL, OFFSET_CNTH);
|
||||
logCycleCount(OFFSET_CNTL, OFFSET_CNTH, memAddr == timer_resetaddr);
|
||||
nextAddr = disMem(memAddr);
|
||||
return;
|
||||
}
|
||||
|
@ -1189,7 +1291,11 @@ void clearBreakpoint(bknum_t n) {
|
|||
void genericBreakpoint(char *params, unsigned int mode) {
|
||||
bknum_t i;
|
||||
addr_t addr;
|
||||
#if defined(CPU_Z80)
|
||||
addr_t mask = (mode & MASK_IO) ? 0xFF : 0xFFFF;
|
||||
#else
|
||||
addr_t mask = 0xFFFF;
|
||||
#endif
|
||||
trigger_t trigger = TRIGGER_UNDEFINED;
|
||||
params = parsehex4required(params, &addr);
|
||||
if (checkargs(params)) {
|
||||
|
@ -1366,7 +1472,7 @@ void helpForCommand(uint8_t i) {
|
|||
logstr(" ");
|
||||
logs(cmdStrings[i]);
|
||||
tmp = strlen(cmdStrings[i]);
|
||||
while (tmp++ < 9) {
|
||||
while (tmp++ < 10) {
|
||||
logc(' ');
|
||||
}
|
||||
while ((tmp = pgm_read_byte(ip++))) {
|
||||
|
@ -1469,7 +1575,7 @@ void doCmdDis(char *params) {
|
|||
memAddr = startAddr;
|
||||
loadAddr(memAddr);
|
||||
do {
|
||||
memAddr = disassemble(memAddr);
|
||||
memAddr = disassemble(memAddr, MODE_DIS_CMD);
|
||||
i++;
|
||||
} while ((!endAddr && i < 10) || (endAddr && memAddr > startAddr && memAddr <= endAddr));
|
||||
}
|
||||
|
@ -1975,23 +2081,89 @@ void doCmdSRec(char *params) {
|
|||
}
|
||||
}
|
||||
|
||||
void logSpecial(char *function, uint8_t value) {
|
||||
logs(function);
|
||||
if (value) {
|
||||
logstr(" inhibited\n");
|
||||
} else {
|
||||
logstr(" enabled\n");
|
||||
}
|
||||
void set_int_ctrl(uint8_t offset, char *params) {
|
||||
// (C) 01 Conditional
|
||||
// (D) 11 Disabled
|
||||
// (E) 00 Enabled
|
||||
// (F) 10 Forced
|
||||
while (*params == ' ') {
|
||||
params++;
|
||||
}
|
||||
if (!*params) {
|
||||
uint8_t tmp = int_ctrl;
|
||||
for (int i = 0; i < 4; i++) {
|
||||
logs(cmdStrings[NUM_CMDS - 4 + i]);
|
||||
logstr(" = ");
|
||||
logpgmstr(int_ctrl_strings[tmp & 3]);
|
||||
logc('\n');
|
||||
tmp >>= 2;
|
||||
}
|
||||
} else {
|
||||
*params &= 0xdf;
|
||||
if (*params >= 'C' && *params <= 'F') {
|
||||
uint8_t val = cmd_map[*params - 'C'];
|
||||
hwCmd(CMD_INT_CTRL, (offset << 1) | val);
|
||||
int_ctrl &= (0x03 << offset) ^ 0xFF;
|
||||
int_ctrl |= (val << offset);
|
||||
} else {
|
||||
logstr("Illegal option\n");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void doCmdSpecial(char *params) {
|
||||
uint8_t special = 0xff;
|
||||
parsehex2(params, &special);
|
||||
if (special <= 3) {
|
||||
CTRL_PORT = (CTRL_PORT & ~SPECIAL_MASK) | (special << SPECIAL_0);
|
||||
void doCmdXCmd0(char *params) {
|
||||
set_int_ctrl(0, params);
|
||||
}
|
||||
|
||||
void doCmdXCmd1(char *params) {
|
||||
set_int_ctrl(2, params);
|
||||
}
|
||||
|
||||
void doCmdXCmd2(char *params) {
|
||||
set_int_ctrl(4, params);
|
||||
}
|
||||
|
||||
void doCmdXCmd3(char *params) {
|
||||
set_int_ctrl(6, params);
|
||||
}
|
||||
|
||||
void doCmdTimerMode(char *params) {
|
||||
uint8_t mode = 0xff;
|
||||
uint8_t prescale = 0xff;
|
||||
addr_t addr = 0xffff;
|
||||
|
||||
params = parsehex2(params, &mode);
|
||||
params = parsehex2(params, &prescale);
|
||||
params = parsehex4(params, &addr);
|
||||
if (mode <= NUM_TIMERS) {
|
||||
timer_mode = mode;
|
||||
hwCmd(CMD_TIMER_MODE, timer_mode);
|
||||
}
|
||||
logSpecial("NMI", CTRL_PORT & (1 << SPECIAL_1));
|
||||
logSpecial("IRQ", CTRL_PORT & (1 << SPECIAL_0));
|
||||
if (prescale < 0xff) {
|
||||
timer_prescale = prescale;
|
||||
}
|
||||
if (addr < 0xffff) {
|
||||
timer_resetaddr = addr;
|
||||
}
|
||||
logstr("mode: ");
|
||||
logpgmstr(timerStrings[timer_mode]);
|
||||
logstr("; prescale=");
|
||||
loghex4(timer_prescale);
|
||||
logstr("; reset address=");
|
||||
loghex4(timer_resetaddr);
|
||||
logstr("\n");
|
||||
}
|
||||
|
||||
void doCmdTimeout(char *params) {
|
||||
parsehex4(params, &memTimeout);
|
||||
// Small timeouts values cause bogus timeout errors, so enforce a minimum
|
||||
// of 16us, which is less much than one character time at 115,200 (86us)
|
||||
if (memTimeout < 0x10) {
|
||||
memTimeout = 0x10;
|
||||
}
|
||||
logstr("timeout=");
|
||||
loghex4(memTimeout);
|
||||
logstr(" microseconds (hex)\n");
|
||||
}
|
||||
|
||||
void doCmdTrace(char *params) {
|
||||
|
@ -2113,8 +2285,13 @@ void doCmdNext(char *params) {
|
|||
logTooManyBreakpoints();
|
||||
return;
|
||||
}
|
||||
addr_t addr = 0xFFFF;
|
||||
params = parsehex4(params, &addr);
|
||||
if (addr == 0xFFFF) {
|
||||
addr = nextAddr;
|
||||
}
|
||||
numbkpts++;
|
||||
setBreakpoint(numbkpts - 1, nextAddr, 0xffff, (1 << BRKPT_EXEC) | (1 << TRANSIENT), TRIGGER_ALWAYS);
|
||||
setBreakpoint(numbkpts - 1, addr, 0xffff, (1 << BRKPT_EXEC) | (1 << TRANSIENT), TRIGGER_ALWAYS);
|
||||
doCmdContinue(params);
|
||||
}
|
||||
|
||||
|
|
|
@ -76,7 +76,8 @@ void doCmdStep(char *params);
|
|||
void doCmdTest(char *params);
|
||||
void doCmdSave(char *params);
|
||||
void doCmdSRec(char *params);
|
||||
void doCmdSpecial(char *params);
|
||||
void doCmdTimerMode(char *params);
|
||||
void doCmdTimeout(char *params);
|
||||
void doCmdTrace(char *params);
|
||||
void doCmdTrigger(char *params);
|
||||
void doCmdWatchI(char *params);
|
||||
|
@ -86,5 +87,9 @@ void doCmdWatchWrIO(char *params);
|
|||
void doCmdWatchWrMem(char *params);
|
||||
void doCmdWriteIO(char *params);
|
||||
void doCmdWriteMem(char *params);
|
||||
void doCmdXCmd0(char *params);
|
||||
void doCmdXCmd1(char *params);
|
||||
void doCmdXCmd2(char *params);
|
||||
void doCmdXCmd3(char *params);
|
||||
|
||||
#endif
|
||||
|
|
|
@ -6,6 +6,10 @@
|
|||
#define PDC_DDR DDRA
|
||||
#define PDC_DIN PINA
|
||||
|
||||
addr_t disassemble(addr_t addr);
|
||||
#define MODE_NORMAL 0
|
||||
#define MODE_DIS_CMD 1
|
||||
|
||||
addr_t disassemble(addr_t addr, uint8_t m);
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
@ -149,7 +149,7 @@ static const unsigned char dopname[256] PROGMEM =
|
|||
|
||||
static const unsigned char dopaddr[256] PROGMEM =
|
||||
{
|
||||
/*00*/ IMP, INDX, IMP, IMP, IMP, ZP, ZP, IMP, IMP, IMM, IMPA, IMP, IMP, ABS, ABS, IMP,
|
||||
/*00*/ IMM, INDX, IMP, IMP, IMP, ZP, ZP, IMP, IMP, IMM, IMPA, IMP, IMP, ABS, ABS, IMP,
|
||||
/*10*/ BRA, INDY, IMP, IMP, IMP, ZPX, ZPX, IMP, IMP, ABSY, IMP, IMP, IMP, ABSX, ABSX, IMP,
|
||||
/*20*/ ABS, INDX, IMP, IMP, ZP, ZP, ZP, IMP, IMP, IMM, IMPA, IMP, ABS, ABS, ABS, IMP,
|
||||
/*30*/ BRA, INDY, IMP, IMP, IMP, ZPX, ZPX, IMP, IMP, ABSY, IMP, IMP, IMP, ABSX, ABSX, IMP,
|
||||
|
@ -167,7 +167,7 @@ static const unsigned char dopaddr[256] PROGMEM =
|
|||
/*F0*/ BRA, INDY, IMP, IMP, ZP, ZPX, ZPX, IMP, IMP, ABSY, IMP, IMP, ABS, ABSX, ABSX, IMP
|
||||
};
|
||||
|
||||
addr_t disassemble(addr_t addr)
|
||||
addr_t disassemble(addr_t addr, uint8_t m)
|
||||
{
|
||||
|
||||
char buffer[40];
|
||||
|
|
|
@ -169,7 +169,7 @@ static const unsigned char dopname[256] PROGMEM =
|
|||
|
||||
static const unsigned char dopaddr[256] PROGMEM =
|
||||
{
|
||||
/*00*/ IMP, INDX, IMP, IMP, ZP, ZP, ZP, IMP, IMP, IMM, IMPA, IMP, ABS, ABS, ABS, IMP,
|
||||
/*00*/ IMM, INDX, IMP, IMP, ZP, ZP, ZP, IMP, IMP, IMM, IMPA, IMP, ABS, ABS, ABS, IMP,
|
||||
/*10*/ BRA, INDY, IND, IMP, ZP, ZPX, ZPX, IMP, IMP, ABSY, IMPA, IMP, ABS, ABSX, ABSX, IMP,
|
||||
/*20*/ ABS, INDX, IMP, IMP, ZP, ZP, ZP, IMP, IMP, IMM, IMPA, IMP, ABS, ABS, ABS, IMP,
|
||||
/*30*/ BRA, INDY, IND, IMP, ZPX, ZPX, ZPX, IMP, IMP, ABSY, IMPA, IMP, ABSX, ABSX, ABSX, IMP,
|
||||
|
@ -187,7 +187,7 @@ static const unsigned char dopaddr[256] PROGMEM =
|
|||
/*F0*/ BRA, INDY, IND, IMP, ZP, ZPX, ZPX, IMP, IMP, ABSY, IMP, IMP, ABS, ABSX, ABSX, IMP
|
||||
};
|
||||
|
||||
addr_t disassemble(addr_t addr)
|
||||
addr_t disassemble(addr_t addr, uint8_t m)
|
||||
{
|
||||
|
||||
char buffer[40];
|
||||
|
|
|
@ -647,7 +647,7 @@ static char *strcc(char *ptr, uint8_t val) {
|
|||
|
||||
/* disassemble one instruction at address addr and return the address of the next instruction */
|
||||
|
||||
addr_t disassemble(addr_t addr) {
|
||||
addr_t disassemble(addr_t addr, uint8_t m) {
|
||||
uint8_t d = get_memb(addr);
|
||||
uint8_t s;
|
||||
int8_t i;
|
||||
|
|
|
@ -530,9 +530,9 @@ static const unsigned char cmd_ED40[192] PROGMEM = {
|
|||
NOP,0,0
|
||||
};
|
||||
|
||||
static const char word_EX_HALT[] PROGMEM = "**HALT**";
|
||||
static const char word_EX_INT[] PROGMEM = "**INT**";
|
||||
static const char word_EX_NMI[] PROGMEM = "**NMI**";
|
||||
static const char msg_HALT[] PROGMEM = "**HALT**\n";
|
||||
static const char msg_INT[] PROGMEM = "**INT**\n";
|
||||
static const char msg_NMI[] PROGMEM = "**NMI**\n";
|
||||
|
||||
unsigned char cmd_halt[] = { HALT,0,0 };
|
||||
unsigned char cmd_nop[] = { NOP,0,0 };
|
||||
|
@ -887,12 +887,15 @@ char * disassem (char *ptr, unsigned int *ip) {
|
|||
return ptr;
|
||||
}
|
||||
|
||||
addr_t disassemble(addr_t addr) {
|
||||
addr_t disassemble(addr_t addr, uint8_t m) {
|
||||
static char buffer[64];
|
||||
|
||||
char *ptr;
|
||||
addr_t addr2 = addr;
|
||||
|
||||
// Ignore the current CPU state in the disassemble connamd
|
||||
uint8_t pdc = (m == MODE_DIS_CMD) ? 0 : PDC_DIN;
|
||||
|
||||
// 0123456789012345678901234567890123456789
|
||||
// AAAA : HH HH HH HH : LD RR,($XXXX)
|
||||
|
||||
|
@ -905,17 +908,18 @@ addr_t disassemble(addr_t addr) {
|
|||
|
||||
// Opcode
|
||||
ptr = buffer + 21;
|
||||
if (PDC_DIN & 0x80) {
|
||||
strcpy_P(ptr, PSTR("**HALT**"));
|
||||
} else if (PDC_DIN & 0x40) {
|
||||
strcpy(ptr, PSTR("**NMI**"));
|
||||
} else if (PDC_DIN & 0x20) {
|
||||
strcpy(ptr, PSTR("**INT**"));
|
||||
|
||||
if (pdc & 0x80) {
|
||||
strcpy_P(ptr, msg_HALT);
|
||||
} else if (pdc & 0x40) {
|
||||
strcpy(ptr, msg_NMI);
|
||||
} else if (pdc & 0x20) {
|
||||
strcpy(ptr, msg_INT);
|
||||
} else {
|
||||
ptr = disassem(ptr, &addr2);
|
||||
*ptr++ = '\n';
|
||||
*ptr++ = '\0';
|
||||
}
|
||||
*ptr++ = '\n';
|
||||
*ptr++ = '\0';
|
||||
|
||||
// Hex
|
||||
loadAddr(addr);
|
||||
|
|
|
@ -16,8 +16,9 @@ pushd target
|
|||
make clean
|
||||
make
|
||||
|
||||
cp --parents */*/*.bit ../${DIR}
|
||||
cp --parents */*/*.mcs ../${DIR}
|
||||
cp --parents */*/ice*.bit ../${DIR}
|
||||
cp --parents */*/ice*.bin ../${DIR}
|
||||
cp --parents */*/ice*.mcs ../${DIR}
|
||||
|
||||
popd
|
||||
|
||||
|
@ -27,5 +28,3 @@ popd
|
|||
|
||||
echo "Built release in: "${DIR}
|
||||
unzip -l releases/${NAME}.zip
|
||||
|
||||
|
||||
|
|
File diff suppressed because it is too large
Load Diff
2808
src/AlanD/R65Cx2.vhd
2808
src/AlanD/R65Cx2.vhd
File diff suppressed because it is too large
Load Diff
|
@ -71,8 +71,8 @@ entity BusMonCore is
|
|||
DataIn : in std_logic_vector(7 downto 0);
|
||||
Done : in std_logic;
|
||||
|
||||
-- Special outputs (function is CPU specific)
|
||||
Special : out std_logic_vector(1 downto 0);
|
||||
-- External Interrupt Control
|
||||
int_ctrl : out std_logic_vector(7 downto 0) := x"00";
|
||||
|
||||
-- Single Step interface
|
||||
SS_Single : out std_logic;
|
||||
|
@ -124,15 +124,18 @@ architecture behavioral of BusMonCore is
|
|||
signal cmd_ack : std_logic;
|
||||
signal cmd_ack1 : std_logic;
|
||||
signal cmd_ack2 : std_logic;
|
||||
signal cmd : std_logic_vector(4 downto 0);
|
||||
signal cmd : std_logic_vector(5 downto 0);
|
||||
|
||||
signal addr_sync : std_logic_vector(15 downto 0);
|
||||
signal addr_inst : std_logic_vector(15 downto 0);
|
||||
signal Addr1 : std_logic_vector(15 downto 0);
|
||||
signal Data1 : std_logic_vector(7 downto 0);
|
||||
|
||||
signal ext_clk : std_logic;
|
||||
signal timer0Count : std_logic_vector(23 downto 0);
|
||||
signal timer1Count : std_logic_vector(23 downto 0);
|
||||
signal cycleCount : std_logic_vector(23 downto 0);
|
||||
signal cycleCount_inst : std_logic_vector(23 downto 0);
|
||||
signal instrCount : std_logic_vector(23 downto 0);
|
||||
|
||||
signal single : std_logic;
|
||||
signal reset : std_logic;
|
||||
|
@ -181,6 +184,8 @@ architecture behavioral of BusMonCore is
|
|||
|
||||
signal dropped_counter : std_logic_vector(3 downto 0);
|
||||
|
||||
signal timer_mode : std_logic_vector(1 downto 0);
|
||||
|
||||
begin
|
||||
|
||||
inst_oho_dy1 : entity work.Oho_Dy1 port map (
|
||||
|
@ -224,9 +229,9 @@ begin
|
|||
portbout(2) => cmd(2),
|
||||
portbout(3) => cmd(3),
|
||||
portbout(4) => cmd(4),
|
||||
portbout(5) => cmd_edge,
|
||||
portbout(6) => Special(0),
|
||||
portbout(7) => Special(1),
|
||||
portbout(5) => cmd(5),
|
||||
portbout(6) => cmd_edge,
|
||||
portbout(7) => open,
|
||||
|
||||
-- Status Port
|
||||
portdin(0) => '0',
|
||||
|
@ -289,7 +294,7 @@ begin
|
|||
-- DataWr1 is the data being written delayed by 1 cycle
|
||||
-- DataRd is the data being read, that is already one cycle late
|
||||
-- bw_state1(1) is 1 for writes, and 0 for reads
|
||||
fifo_din <= cycleCount_inst & dropped_counter & bw_status1 & Data1 & Addr1 & addr_inst;
|
||||
fifo_din <= instrCount & dropped_counter & bw_status1 & Data1 & Addr1 & addr_inst;
|
||||
|
||||
-- Implement a 4-bit saturating counter of the number of dropped events
|
||||
process (busmon_clk)
|
||||
|
@ -325,9 +330,9 @@ begin
|
|||
mux <= addr_inst(7 downto 0) when muxsel = 0 else
|
||||
addr_inst(15 downto 8) when muxsel = 1 else
|
||||
din_reg when muxsel = 2 else
|
||||
cycleCount(23 downto 16) when muxsel = 3 else
|
||||
cycleCount(7 downto 0) when muxsel = 4 else
|
||||
cycleCount(15 downto 8) when muxsel = 5 else
|
||||
instrCount(23 downto 16) when muxsel = 3 else
|
||||
instrCount(7 downto 0) when muxsel = 4 else
|
||||
instrCount(15 downto 8) when muxsel = 5 else
|
||||
|
||||
fifo_dout(7 downto 0) when muxsel = 6 else
|
||||
fifo_dout(15 downto 8) when muxsel = 7 else
|
||||
|
@ -432,40 +437,55 @@ begin
|
|||
end process;
|
||||
|
||||
-- CPU Control Commands
|
||||
-- 0000x Enable/Disable single stepping
|
||||
-- 0001x Enable/Disable breakpoints / watches
|
||||
-- 0010x Load breakpoint / watch register
|
||||
-- 0011x Reset CPU
|
||||
-- 01000 Singe Step CPU
|
||||
-- 01001 Read FIFO
|
||||
-- 01010 Reset FIFO
|
||||
-- 01011 Unused
|
||||
-- 0110x Load address/data register
|
||||
-- 0111x Unused
|
||||
-- 10000 Read Memory
|
||||
-- 10001 Read Memory and Auto Inc Address
|
||||
-- 10010 Write Memory
|
||||
-- 10011 Write Memory and Auto Inc Address
|
||||
-- 10100 Read IO
|
||||
-- 10101 Read IO and Auto Inc Address
|
||||
-- 10110 Write IO
|
||||
-- 10111 Write IO and Auto Inc Address
|
||||
-- 11000 Execute 6502 instruction
|
||||
-- 111xx Unused
|
||||
-- 11x1x Unused
|
||||
-- 11xx1 Unused
|
||||
-- 00000x Enable/Disable single stepping
|
||||
-- 00001x Enable/Disable breakpoints / watches
|
||||
-- 00010x Load breakpoint / watch register
|
||||
-- 00011x Reset CPU
|
||||
-- 001000 Singe Step CPU
|
||||
-- 001001 Read FIFO
|
||||
-- 001010 Reset FIFO
|
||||
-- 001011 Unused
|
||||
-- 00110x Load address/data register
|
||||
-- 00111x Unused
|
||||
-- 010000 Read Memory
|
||||
-- 010001 Read Memory and Auto Inc Address
|
||||
-- 010010 Write Memory
|
||||
-- 010011 Write Memory and Auto Inc Address
|
||||
-- 010100 Read IO
|
||||
-- 010101 Read IO and Auto Inc Address
|
||||
-- 010110 Write IO
|
||||
-- 010111 Write IO and Auto Inc Address
|
||||
-- 011000 Execute 6502 instruction
|
||||
-- 0111xx Unused
|
||||
-- 011x1x Unused
|
||||
-- 011xx1 Unused
|
||||
-- 10xxxx Int Ctrl
|
||||
-- 1100xx Timer Mode
|
||||
-- 00 - count cpu cycles where clken = 1 and CountCycle = 1
|
||||
-- 01 - count cpu cycles where clken = 1 (ignoring CountCycle)
|
||||
-- 10 - free running timer, using busmon_clk as the source
|
||||
-- 11 - free running timer, using trig0 as the source
|
||||
|
||||
-- Use trig0 to drive a free running counter for absolute timings
|
||||
ext_clk <= trig(0);
|
||||
timer1Process: process (ext_clk)
|
||||
begin
|
||||
if rising_edge(ext_clk) then
|
||||
timer1Count <= timer1Count + 1;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
cpuProcess: process (busmon_clk)
|
||||
begin
|
||||
if rising_edge(busmon_clk) then
|
||||
timer0Count <= timer0Count + 1;
|
||||
if busmon_clken = '1' then
|
||||
-- Cycle counter, wraps every 16s at 1MHz
|
||||
-- Cycle counter
|
||||
if (cpu_reset_n = '0') then
|
||||
cycleCount <= (others => '0');
|
||||
elsif (CountCycle = '1') then
|
||||
elsif (CountCycle = '1' or timer_mode(0) = '1') then
|
||||
cycleCount <= cycleCount + 1;
|
||||
end if;
|
||||
|
||||
-- Command processing
|
||||
cmd_edge1 <= cmd_edge;
|
||||
cmd_edge2 <= cmd_edge1;
|
||||
|
@ -479,60 +499,68 @@ begin
|
|||
exec <= '0';
|
||||
SS_Step <= '0';
|
||||
if (cmd_edge2 /= cmd_edge1) then
|
||||
if (cmd(4 downto 1) = "0000") then
|
||||
if (cmd(5 downto 1) = "00000") then
|
||||
single <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "0001") then
|
||||
if (cmd(5 downto 1) = "00001") then
|
||||
brkpt_enable <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "0010") then
|
||||
if (cmd(5 downto 1) = "00010") then
|
||||
brkpt_reg <= cmd(0) & brkpt_reg(brkpt_reg'length - 1 downto 1);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "0110") then
|
||||
if (cmd(5 downto 1) = "00110") then
|
||||
addr_dout_reg <= cmd(0) & addr_dout_reg(addr_dout_reg'length - 1 downto 1);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "0011") then
|
||||
if (cmd(5 downto 1) = "00011") then
|
||||
reset <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 0) = "01001") then
|
||||
if (cmd(5 downto 0) = "01001") then
|
||||
fifo_rd <= '1';
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 0) = "01010") then
|
||||
if (cmd(5 downto 0) = "01010") then
|
||||
fifo_rst <= '1';
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "1000") then
|
||||
if (cmd(5 downto 1) = "01000") then
|
||||
memory_rd <= '1';
|
||||
auto_inc <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "1001") then
|
||||
if (cmd(5 downto 1) = "01001") then
|
||||
memory_wr <= '1';
|
||||
auto_inc <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "1010") then
|
||||
if (cmd(5 downto 1) = "01010") then
|
||||
io_rd <= '1';
|
||||
auto_inc <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 1) = "1011") then
|
||||
if (cmd(5 downto 1) = "01011") then
|
||||
io_wr <= '1';
|
||||
auto_inc <= cmd(0);
|
||||
end if;
|
||||
|
||||
if (cmd(4 downto 0) = "11000") then
|
||||
if (cmd(5 downto 0) = "011000") then
|
||||
exec <= '1';
|
||||
end if;
|
||||
|
||||
if (cmd(5 downto 4) = "10") then
|
||||
int_ctrl(to_integer(unsigned(cmd(3 downto 2))) * 2 + 1 downto to_integer(unsigned(cmd(3 downto 2))) * 2) <= cmd(1 downto 0);
|
||||
end if;
|
||||
|
||||
if (cmd(5 downto 2) = "1100") then
|
||||
timer_mode <= cmd(1 downto 0);
|
||||
end if;
|
||||
|
||||
-- Acknowlege certain commands immediately
|
||||
if cmd(4) = '0' then
|
||||
if cmd(5 downto 4) /= "01" then
|
||||
cmd_ack <= not cmd_ack;
|
||||
end if;
|
||||
|
||||
|
@ -552,7 +580,7 @@ begin
|
|||
single <= '1';
|
||||
end if;
|
||||
|
||||
if ((single = '0') or (cmd_edge2 /= cmd_edge1 and cmd = "01000")) then
|
||||
if ((single = '0') or (cmd_edge2 /= cmd_edge1 and cmd = "001000")) then
|
||||
Rdy_int <= (not brkpt_active);
|
||||
SS_Step <= (not brkpt_active);
|
||||
else
|
||||
|
@ -562,7 +590,13 @@ begin
|
|||
-- Latch instruction address for the whole cycle
|
||||
if (Sync = '1') then
|
||||
addr_inst <= Addr;
|
||||
cycleCount_inst <= cycleCount;
|
||||
if timer_mode = "10" then
|
||||
instrCount <= timer0Count;
|
||||
elsif timer_mode = "11" then
|
||||
instrCount <= timer1Count;
|
||||
else
|
||||
instrCount <= cycleCount;
|
||||
end if;
|
||||
end if;
|
||||
|
||||
-- Breakpoints and Watches written to the FIFO
|
||||
|
|
|
@ -101,6 +101,7 @@ architecture behavioral of MC6809CpuMon is
|
|||
signal Addr_int : std_logic_vector(15 downto 0);
|
||||
signal Din : std_logic_vector(7 downto 0);
|
||||
signal Dout : std_logic_vector(7 downto 0);
|
||||
signal Dbusmon : std_logic_vector(7 downto 0);
|
||||
signal Sync_int : std_logic;
|
||||
signal hold : std_logic;
|
||||
|
||||
|
@ -123,7 +124,7 @@ architecture behavioral of MC6809CpuMon is
|
|||
signal SS_Single : std_logic;
|
||||
signal SS_Step : std_logic;
|
||||
signal CountCycle : std_logic;
|
||||
signal special : std_logic_vector(1 downto 0);
|
||||
signal int_ctrl : std_logic_vector(7 downto 0);
|
||||
|
||||
signal LIC_int : std_logic;
|
||||
|
||||
|
@ -139,9 +140,10 @@ architecture behavioral of MC6809CpuMon is
|
|||
signal data_wr : std_logic;
|
||||
signal nRSTout : std_logic;
|
||||
|
||||
signal NMI_n_masked : std_logic;
|
||||
signal IRQ_n_masked : std_logic;
|
||||
signal FIRQ_n_masked : std_logic;
|
||||
signal IRQ_n_masked : std_logic;
|
||||
signal NMI_n_masked : std_logic;
|
||||
signal RES_n_masked : std_logic;
|
||||
|
||||
begin
|
||||
|
||||
|
@ -176,14 +178,14 @@ begin
|
|||
cpu_clk => cpu_clk,
|
||||
cpu_clken => '1',
|
||||
Addr => Addr_int,
|
||||
Data => Data,
|
||||
Data => Dbusmon,
|
||||
Rd_n => not R_W_n_int,
|
||||
Wr_n => R_W_n_int,
|
||||
RdIO_n => '1',
|
||||
WrIO_n => '1',
|
||||
Sync => Sync_int,
|
||||
Rdy => open,
|
||||
nRSTin => RES_n,
|
||||
nRSTin => RES_n_masked,
|
||||
nRSTout => cpu_reset_n,
|
||||
CountCycle => CountCycle,
|
||||
trig => trig,
|
||||
|
@ -206,14 +208,28 @@ begin
|
|||
DataOut => memory_dout,
|
||||
DataIn => memory_din,
|
||||
Done => memory_done,
|
||||
Special => special,
|
||||
int_ctrl => int_ctrl,
|
||||
SS_Step => SS_Step,
|
||||
SS_Single => SS_Single
|
||||
);
|
||||
|
||||
NMI_n_masked <= NMI_n or special(1);
|
||||
FIRQ_n_masked <= FIRQ_n or special(1);
|
||||
IRQ_n_masked <= IRQ_n or special(0);
|
||||
-- The two int control bits work as follows
|
||||
-- 00 -> IRQ_n (enabled)
|
||||
-- 01 -> IRQ_n or SS_Single (enabled when free-running)
|
||||
-- 10 -> 0 (forced)
|
||||
-- 11 -> 1 (disabled)
|
||||
|
||||
FIRQ_n_masked <= int_ctrl(0) when int_ctrl(1) = '1' else
|
||||
FIRQ_n or (int_ctrl(0) and SS_single);
|
||||
|
||||
IRQ_n_masked <= int_ctrl(2) when int_ctrl(3) = '1' else
|
||||
IRQ_n or (int_ctrl(2) and SS_single);
|
||||
|
||||
NMI_n_masked <= int_ctrl(4) when int_ctrl(5) = '1' else
|
||||
NMI_n or (int_ctrl(4) and SS_single);
|
||||
|
||||
RES_n_masked <= int_ctrl(6) when int_ctrl(7) = '1' else
|
||||
RES_n or (int_ctrl(6) and SS_single);
|
||||
|
||||
-- The CPU is slightly pipelined and the register update of the last
|
||||
-- instruction overlaps with the opcode fetch of the next instruction.
|
||||
|
@ -339,6 +355,13 @@ begin
|
|||
Dout when TSC = '0' and data_wr = '1' and R_W_n_int = '0' and memory_rd1 = '0' else
|
||||
(others => 'Z');
|
||||
|
||||
-- Version of data seen by the Bus Mon need to use Din rather than the
|
||||
-- external bus value as by the rising edge of cpu_clk we will have stopped driving
|
||||
-- the external bus. On the ALS version we get away way this, but on the GODIL
|
||||
-- version, due to the pullups, we don't. So all write watch breakpoints see
|
||||
-- the data bus as 0xFF.
|
||||
Dbusmon <= Din when R_W_n_int = '1' else Dout;
|
||||
|
||||
memory_done <= memory_rd1 or memory_wr1;
|
||||
|
||||
-- Delayed/Deglitched version of the E clock
|
||||
|
|
|
@ -48,14 +48,14 @@ entity MOS6502CpuMon is
|
|||
Rdy : in std_logic;
|
||||
|
||||
-- External trigger inputs
|
||||
trig : in std_logic_vector(1 downto 0);
|
||||
trig : in std_logic_vector(1 downto 0);
|
||||
|
||||
-- Jumpers
|
||||
fakeTube_n : in std_logic;
|
||||
fakeTube_n : in std_logic;
|
||||
|
||||
-- Serial Console
|
||||
avr_RxD : in std_logic;
|
||||
avr_TxD : out std_logic;
|
||||
avr_RxD : in std_logic;
|
||||
avr_TxD : out std_logic;
|
||||
|
||||
-- Switches
|
||||
sw_reset_cpu : in std_logic;
|
||||
|
@ -67,9 +67,12 @@ entity MOS6502CpuMon is
|
|||
led_trig1 : out std_logic;
|
||||
|
||||
-- OHO_DY1 connected to test connector
|
||||
tmosi : out std_logic;
|
||||
tdin : out std_logic;
|
||||
tcclk : out std_logic
|
||||
tmosi : out std_logic;
|
||||
tdin : out std_logic;
|
||||
tcclk : out std_logic;
|
||||
|
||||
-- Test connector signals
|
||||
test : inout std_logic_vector(3 downto 0)
|
||||
);
|
||||
end MOS6502CpuMon;
|
||||
|
||||
|
@ -141,7 +144,8 @@ begin
|
|||
led_trig1 => led_trig1,
|
||||
tmosi => tmosi,
|
||||
tdin => tdin,
|
||||
tcclk => tcclk
|
||||
tcclk => tcclk,
|
||||
test => test
|
||||
);
|
||||
|
||||
sync_gen : process(cpu_clk)
|
||||
|
|
|
@ -79,18 +79,21 @@ entity MOS6502CpuMonALS is
|
|||
avr_TxD : out std_logic;
|
||||
|
||||
-- Switches
|
||||
sw1 : in std_logic;
|
||||
sw2 : in std_logic;
|
||||
sw1 : in std_logic;
|
||||
sw2 : in std_logic;
|
||||
|
||||
-- LEDs
|
||||
led1 : out std_logic;
|
||||
led2 : out std_logic;
|
||||
led3 : out std_logic;
|
||||
led1 : out std_logic;
|
||||
led2 : out std_logic;
|
||||
led3 : out std_logic;
|
||||
|
||||
-- OHO_DY1 LED display
|
||||
tmosi : out std_logic;
|
||||
tdin : out std_logic;
|
||||
tcclk : out std_logic
|
||||
tmosi : out std_logic;
|
||||
tdin : out std_logic;
|
||||
tcclk : out std_logic;
|
||||
|
||||
-- Test connector signals
|
||||
test : inout std_logic_vector(3 downto 0)
|
||||
);
|
||||
end MOS6502CpuMonALS;
|
||||
|
||||
|
@ -166,7 +169,10 @@ begin
|
|||
-- OHO_DY1 LED display
|
||||
tmosi => tmosi,
|
||||
tdin => tdin,
|
||||
tcclk => tcclk
|
||||
tcclk => tcclk,
|
||||
|
||||
-- Test signals
|
||||
test => test
|
||||
);
|
||||
|
||||
-- 6502 Outputs
|
||||
|
|
|
@ -67,7 +67,10 @@ entity MOS6502CpuMonCore is
|
|||
-- OHO_DY1 connected to test connector
|
||||
tmosi : out std_logic;
|
||||
tdin : out std_logic;
|
||||
tcclk : out std_logic
|
||||
tcclk : out std_logic;
|
||||
|
||||
-- Test connector signals
|
||||
test : inout std_logic_vector(3 downto 0)
|
||||
);
|
||||
end MOS6502CpuMonCore;
|
||||
|
||||
|
@ -82,8 +85,10 @@ architecture behavioral of MOS6502CpuMonCore is
|
|||
signal Din_int : std_logic_vector(7 downto 0);
|
||||
signal Dout_int : std_logic_vector(7 downto 0);
|
||||
signal R_W_n_int : std_logic;
|
||||
signal Rd_n_int : std_logic;
|
||||
signal Wr_n_int : std_logic;
|
||||
signal Rd_n_mon : std_logic;
|
||||
signal Wr_n_mon : std_logic;
|
||||
signal Sync_mon : std_logic;
|
||||
signal Done_mon : std_logic;
|
||||
signal Sync_int : std_logic;
|
||||
signal Addr_int : std_logic_vector(23 downto 0);
|
||||
|
||||
|
@ -98,7 +103,7 @@ architecture behavioral of MOS6502CpuMonCore is
|
|||
signal SS_Step : std_logic;
|
||||
signal SS_Step_held : std_logic;
|
||||
signal CountCycle : std_logic;
|
||||
signal special : std_logic_vector(1 downto 0);
|
||||
signal int_ctrl : std_logic_vector(7 downto 0);
|
||||
|
||||
signal memory_rd : std_logic;
|
||||
signal memory_rd1 : std_logic;
|
||||
|
@ -109,8 +114,11 @@ architecture behavioral of MOS6502CpuMonCore is
|
|||
signal memory_din : std_logic_vector(7 downto 0);
|
||||
signal memory_done : std_logic;
|
||||
|
||||
signal NMI_n_masked : std_logic;
|
||||
|
||||
signal IRQ_n_masked : std_logic;
|
||||
signal NMI_n_masked : std_logic;
|
||||
signal Res_n_masked : std_logic;
|
||||
signal SO_n_masked : std_logic;
|
||||
|
||||
signal exec : std_logic;
|
||||
signal exec_held : std_logic;
|
||||
|
@ -131,13 +139,13 @@ begin
|
|||
cpu_clken => cpu_clken,
|
||||
Addr => Addr_int(15 downto 0),
|
||||
Data => Data,
|
||||
Rd_n => Rd_n_int,
|
||||
Wr_n => Wr_n_int,
|
||||
Rd_n => Rd_n_mon,
|
||||
Wr_n => Wr_n_mon,
|
||||
RdIO_n => '1',
|
||||
WrIO_n => '1',
|
||||
Sync => Sync_int,
|
||||
Sync => Sync_mon,
|
||||
Rdy => open,
|
||||
nRSTin => Res_n,
|
||||
nRSTin => Res_n_masked,
|
||||
nRSTout => cpu_reset_n,
|
||||
CountCycle => CountCycle,
|
||||
trig => trig,
|
||||
|
@ -160,16 +168,35 @@ begin
|
|||
AddrOut => memory_addr,
|
||||
DataOut => memory_dout,
|
||||
DataIn => memory_din,
|
||||
Done => memory_done,
|
||||
Special => special,
|
||||
Done => Done_mon,
|
||||
int_ctrl => int_ctrl,
|
||||
SS_Step => SS_Step,
|
||||
SS_Single => SS_Single
|
||||
);
|
||||
Wr_n_int <= R_W_n_int;
|
||||
Rd_n_int <= not R_W_n_int;
|
||||
Wr_n_mon <= Rdy and R_W_n_int;
|
||||
Rd_n_mon <= Rdy and not R_W_n_int;
|
||||
Sync_mon <= Rdy and Sync_int;
|
||||
Done_mon <= Rdy and memory_done;
|
||||
|
||||
Data <= Din when R_W_n_int = '1' else Dout_int;
|
||||
NMI_n_masked <= NMI_n or special(1);
|
||||
IRQ_n_masked <= IRQ_n or special(0);
|
||||
|
||||
-- The two int control bits work as follows
|
||||
-- 00 -> IRQ_n (enabled)
|
||||
-- 01 -> IRQ_n or SS_Single (enabled when free-running)
|
||||
-- 10 -> 0 (forced)
|
||||
-- 11 -> 1 (disabled)
|
||||
|
||||
IRQ_n_masked <= int_ctrl(0) when int_ctrl(1) = '1' else
|
||||
IRQ_n or (int_ctrl(0) and SS_single);
|
||||
|
||||
NMI_n_masked <= int_ctrl(2) when int_ctrl(3) = '1' else
|
||||
NMI_n or (int_ctrl(2) and SS_single);
|
||||
|
||||
Res_n_masked <= int_ctrl(4) when int_ctrl(5) = '1' else
|
||||
Res_n or (int_ctrl(4) and SS_single);
|
||||
|
||||
SO_n_masked <= int_ctrl(6) when int_ctrl(7) = '1' else
|
||||
SO_n or (int_ctrl(6) and SS_single);
|
||||
|
||||
-- The CPU is slightly pipelined and the register update of the last
|
||||
-- instruction overlaps with the opcode fetch of the next instruction.
|
||||
|
@ -204,7 +231,7 @@ begin
|
|||
inst_t65: entity work.T65 port map (
|
||||
mode => "00",
|
||||
Abort_n => '1',
|
||||
SO_n => SO_n,
|
||||
SO_n => SO_n_masked,
|
||||
Res_n => cpu_reset_n,
|
||||
Enable => cpu_clken_ss,
|
||||
Clk => cpu_clk,
|
||||
|
@ -367,4 +394,10 @@ begin
|
|||
|
||||
memory_din <= Din;
|
||||
|
||||
-- Test outputs
|
||||
test(0) <= SS_Single; -- GODIL J5 pin 1 (46)
|
||||
test(1) <= 'Z'; -- GODIL J5 pin 2 (47)
|
||||
test(2) <= 'Z'; -- GODIL J5 pin 3 (48)
|
||||
test(3) <= 'Z'; -- GODIL J5 pin 4 (56)
|
||||
|
||||
end behavioral;
|
||||
|
|
378
src/T80/T80.vhd
378
src/T80/T80.vhd
|
@ -21,7 +21,7 @@
|
|||
-- ****
|
||||
-- Z80 compatible microprocessor core
|
||||
--
|
||||
-- Version : 0247
|
||||
-- Version : 0250
|
||||
-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
|
||||
-- All rights reserved
|
||||
--
|
||||
|
@ -73,14 +73,14 @@
|
|||
-- 0240 : Added interrupt ack fix by Mike Johnson, changed (IX/IY+d) timing and changed flags in GB mode
|
||||
-- 0242 : Added I/O wait, fixed refresh address, moved some registers to RAM
|
||||
-- 0247 : Fixed bus req/ack cycle
|
||||
-- 0250 : Added R800 Multiplier by TobiFlex 2017.10.15
|
||||
--
|
||||
|
||||
library IEEE;
|
||||
use IEEE.std_logic_1164.all;
|
||||
use IEEE.numeric_std.all;
|
||||
use IEEE.STD_LOGIC_UNSIGNED.all;
|
||||
|
||||
use work.all;
|
||||
use work.T80_Pack.all;
|
||||
|
||||
entity T80 is
|
||||
generic(
|
||||
|
@ -120,6 +120,7 @@ entity T80 is
|
|||
NMICycle_n : out std_logic;
|
||||
IntE : out std_logic;
|
||||
Stop : out std_logic;
|
||||
R800_mode : in std_logic := '0';
|
||||
out0 : in std_logic := '0'; -- 0 => OUT(C),0, 1 => OUT(C),255
|
||||
REG : out std_logic_vector(211 downto 0); -- IFF2, IFF1, IM, IY, HL', DE', BC', IX, HL, DE, BC, PC, SP, R, I, F', A', F, A
|
||||
|
||||
|
@ -129,136 +130,6 @@ entity T80 is
|
|||
end T80;
|
||||
|
||||
architecture rtl of T80 is
|
||||
component T80_MCode
|
||||
generic(
|
||||
Mode : integer := 0;
|
||||
Flag_C : integer := 0;
|
||||
Flag_N : integer := 1;
|
||||
Flag_P : integer := 2;
|
||||
Flag_X : integer := 3;
|
||||
Flag_H : integer := 4;
|
||||
Flag_Y : integer := 5;
|
||||
Flag_Z : integer := 6;
|
||||
Flag_S : integer := 7
|
||||
);
|
||||
port(
|
||||
IR : in std_logic_vector(7 downto 0);
|
||||
ISet : in std_logic_vector(1 downto 0);
|
||||
MCycle : in std_logic_vector(2 downto 0);
|
||||
F : in std_logic_vector(7 downto 0);
|
||||
NMICycle : in std_logic;
|
||||
IntCycle : in std_logic;
|
||||
XY_State : in std_logic_vector(1 downto 0);
|
||||
MCycles : out std_logic_vector(2 downto 0);
|
||||
TStates : out std_logic_vector(2 downto 0);
|
||||
Prefix : out std_logic_vector(1 downto 0); -- None,CB,ED,DD/FD
|
||||
Inc_PC : out std_logic;
|
||||
Inc_WZ : out std_logic;
|
||||
IncDec_16 : out std_logic_vector(3 downto 0); -- BC,DE,HL,SP 0 is inc
|
||||
Read_To_Reg : out std_logic;
|
||||
Read_To_Acc : out std_logic;
|
||||
Set_BusA_To : out std_logic_vector(3 downto 0); -- B,C,D,E,H,L,DI/DB,A,SP(L),SP(M),0,F
|
||||
Set_BusB_To : out std_logic_vector(3 downto 0); -- B,C,D,E,H,L,DI,A,SP(L),SP(M),1,F,PC(L),PC(M),0
|
||||
ALU_Op : out std_logic_vector(3 downto 0);
|
||||
-- ADD, ADC, SUB, SBC, AND, XOR, OR, CP, ROT, BIT, SET, RES, DAA, RLD, RRD, None
|
||||
Save_ALU : out std_logic;
|
||||
PreserveC : out std_logic;
|
||||
Arith16 : out std_logic;
|
||||
Set_Addr_To : out std_logic_vector(2 downto 0); -- aNone,aXY,aIOA,aSP,aBC,aDE,aZI
|
||||
IORQ : out std_logic;
|
||||
Jump : out std_logic;
|
||||
JumpE : out std_logic;
|
||||
JumpXY : out std_logic;
|
||||
Call : out std_logic;
|
||||
RstP : out std_logic;
|
||||
LDZ : out std_logic;
|
||||
LDW : out std_logic;
|
||||
LDSPHL : out std_logic;
|
||||
Special_LD : out std_logic_vector(2 downto 0); -- A,I;A,R;I,A;R,A;None
|
||||
ExchangeDH : out std_logic;
|
||||
ExchangeRp : out std_logic;
|
||||
ExchangeAF : out std_logic;
|
||||
ExchangeRS : out std_logic;
|
||||
I_DJNZ : out std_logic;
|
||||
I_CPL : out std_logic;
|
||||
I_CCF : out std_logic;
|
||||
I_SCF : out std_logic;
|
||||
I_RETN : out std_logic;
|
||||
I_BT : out std_logic;
|
||||
I_BC : out std_logic;
|
||||
I_BTR : out std_logic;
|
||||
I_RLD : out std_logic;
|
||||
I_RRD : out std_logic;
|
||||
I_INRC : out std_logic;
|
||||
SetWZ : out std_logic_vector(1 downto 0);
|
||||
SetDI : out std_logic;
|
||||
SetEI : out std_logic;
|
||||
IMode : out std_logic_vector(1 downto 0);
|
||||
Halt : out std_logic;
|
||||
NoRead : out std_logic;
|
||||
Write : out std_logic;
|
||||
XYbit_undoc : out std_logic
|
||||
);
|
||||
end component;
|
||||
|
||||
component T80_ALU
|
||||
generic(
|
||||
Mode : integer := 0;
|
||||
Flag_C : integer := 0;
|
||||
Flag_N : integer := 1;
|
||||
Flag_P : integer := 2;
|
||||
Flag_X : integer := 3;
|
||||
Flag_H : integer := 4;
|
||||
Flag_Y : integer := 5;
|
||||
Flag_Z : integer := 6;
|
||||
Flag_S : integer := 7
|
||||
);
|
||||
port(
|
||||
Arith16 : in std_logic;
|
||||
Z16 : in std_logic;
|
||||
WZ : in std_logic_vector(15 downto 0);
|
||||
XY_State : in std_logic_vector(1 downto 0);
|
||||
ALU_Op : in std_logic_vector(3 downto 0);
|
||||
IR : in std_logic_vector(5 downto 0);
|
||||
ISet : in std_logic_vector(1 downto 0);
|
||||
BusA : in std_logic_vector(7 downto 0);
|
||||
BusB : in std_logic_vector(7 downto 0);
|
||||
F_In : in std_logic_vector(7 downto 0);
|
||||
Q : out std_logic_vector(7 downto 0);
|
||||
F_Out : out std_logic_vector(7 downto 0)
|
||||
);
|
||||
end component;
|
||||
|
||||
component T80_Reg
|
||||
port(
|
||||
Clk : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WEH : in std_logic;
|
||||
WEL : in std_logic;
|
||||
AddrA : in std_logic_vector(2 downto 0);
|
||||
AddrB : in std_logic_vector(2 downto 0);
|
||||
AddrC : in std_logic_vector(2 downto 0);
|
||||
DIH : in std_logic_vector(7 downto 0);
|
||||
DIL : in std_logic_vector(7 downto 0);
|
||||
DOAH : out std_logic_vector(7 downto 0);
|
||||
DOAL : out std_logic_vector(7 downto 0);
|
||||
DOBH : out std_logic_vector(7 downto 0);
|
||||
DOBL : out std_logic_vector(7 downto 0);
|
||||
DOCH : out std_logic_vector(7 downto 0);
|
||||
DOCL : out std_logic_vector(7 downto 0);
|
||||
DOR : out std_logic_vector(127 downto 0);
|
||||
DIRSet : in std_logic;
|
||||
DIR : in std_logic_vector(127 downto 0)
|
||||
);
|
||||
end component;
|
||||
|
||||
constant aNone : std_logic_vector(2 downto 0) := "111";
|
||||
constant aBC : std_logic_vector(2 downto 0) := "000";
|
||||
constant aDE : std_logic_vector(2 downto 0) := "001";
|
||||
constant aXY : std_logic_vector(2 downto 0) := "010";
|
||||
constant aIOA : std_logic_vector(2 downto 0) := "100";
|
||||
constant aSP : std_logic_vector(2 downto 0) := "101";
|
||||
constant aZI : std_logic_vector(2 downto 0) := "110";
|
||||
|
||||
-- Registers
|
||||
signal ACC, F : std_logic_vector(7 downto 0);
|
||||
|
@ -283,9 +154,13 @@ architecture rtl of T80 is
|
|||
|
||||
-- Help Registers
|
||||
signal WZ : std_logic_vector(15 downto 0); -- MEMPTR register
|
||||
signal TmpAddr2 : std_logic_vector(15 downto 0); -- Temporary address register
|
||||
signal IR : std_logic_vector(7 downto 0); -- Instruction register
|
||||
signal ISet : std_logic_vector(1 downto 0); -- Instruction set selector
|
||||
signal RegBusA_r : std_logic_vector(15 downto 0);
|
||||
signal MULU_Prod32 : std_logic_vector(31 downto 0);
|
||||
signal MULU_tmp : std_logic_vector(31 downto 0);
|
||||
signal MULU_Fakt1 : std_logic_vector(15 downto 0);
|
||||
|
||||
signal ID16 : signed(15 downto 0);
|
||||
signal Save_Mux : std_logic_vector(7 downto 0);
|
||||
|
@ -295,8 +170,8 @@ architecture rtl of T80 is
|
|||
signal IntE_FF1 : std_logic;
|
||||
signal IntE_FF2 : std_logic;
|
||||
signal Halt_FF : std_logic;
|
||||
signal BusReq_s : std_logic;
|
||||
signal BusAck : std_logic;
|
||||
signal BusReq_s : std_logic := '0';
|
||||
signal BusAck : std_logic := '0';
|
||||
signal ClkEn : std_logic;
|
||||
signal NMI_s : std_logic;
|
||||
signal IStatus : std_logic_vector(1 downto 0);
|
||||
|
@ -344,6 +219,7 @@ architecture rtl of T80 is
|
|||
signal Set_BusA_To : std_logic_vector(3 downto 0);
|
||||
signal ALU_Op : std_logic_vector(3 downto 0);
|
||||
signal Save_ALU : std_logic;
|
||||
signal Rot_Akku : std_logic;
|
||||
signal PreserveC : std_logic;
|
||||
signal Arith16 : std_logic;
|
||||
signal Set_Addr_To : std_logic_vector(2 downto 0);
|
||||
|
@ -355,6 +231,8 @@ architecture rtl of T80 is
|
|||
signal LDZ : std_logic;
|
||||
signal LDW : std_logic;
|
||||
signal LDSPHL : std_logic;
|
||||
signal LDHLSP : std_logic;
|
||||
signal ADDSPdd : std_logic;
|
||||
signal IORQ_i : std_logic;
|
||||
signal Special_LD : std_logic_vector(2 downto 0);
|
||||
signal ExchangeDH : std_logic;
|
||||
|
@ -373,12 +251,15 @@ architecture rtl of T80 is
|
|||
signal I_RRD : std_logic;
|
||||
signal I_RXDD : std_logic;
|
||||
signal I_INRC : std_logic;
|
||||
signal I_MULUB : std_logic;
|
||||
signal I_MULU : std_logic;
|
||||
signal SetWZ : std_logic_vector(1 downto 0);
|
||||
signal SetDI : std_logic;
|
||||
signal SetEI : std_logic;
|
||||
signal IMode : std_logic_vector(1 downto 0);
|
||||
signal Halt : std_logic;
|
||||
signal XYbit_undoc : std_logic;
|
||||
signal No_PC : std_logic;
|
||||
signal DOR : std_logic_vector(127 downto 0);
|
||||
|
||||
begin
|
||||
|
@ -418,6 +299,7 @@ begin
|
|||
Set_BusA_To => Set_BusA_To,
|
||||
ALU_Op => ALU_Op,
|
||||
Save_ALU => Save_ALU,
|
||||
Rot_Akku => Rot_Akku,
|
||||
PreserveC => PreserveC,
|
||||
Arith16 => Arith16,
|
||||
Set_Addr_To => Set_Addr_To,
|
||||
|
@ -430,6 +312,8 @@ begin
|
|||
LDZ => LDZ,
|
||||
LDW => LDW,
|
||||
LDSPHL => LDSPHL,
|
||||
LDHLSP => LDHLSP,
|
||||
ADDSPdd => ADDSPdd,
|
||||
Special_LD => Special_LD,
|
||||
ExchangeDH => ExchangeDH,
|
||||
ExchangeRp => ExchangeRp,
|
||||
|
@ -446,6 +330,8 @@ begin
|
|||
I_RLD => I_RLD,
|
||||
I_RRD => I_RRD,
|
||||
I_INRC => I_INRC,
|
||||
I_MULUB => I_MULUB,
|
||||
I_MULU => I_MULU,
|
||||
SetWZ => SetWZ,
|
||||
SetDI => SetDI,
|
||||
SetEI => SetEI,
|
||||
|
@ -453,6 +339,8 @@ begin
|
|||
Halt => Halt,
|
||||
NoRead => NoRead,
|
||||
Write => Write,
|
||||
R800_mode => R800_mode,
|
||||
No_PC => No_PC,
|
||||
XYbit_undoc => XYbit_undoc);
|
||||
|
||||
alu : T80_ALU
|
||||
|
@ -472,6 +360,7 @@ begin
|
|||
WZ => WZ,
|
||||
XY_State=> XY_State,
|
||||
ALU_Op => ALU_Op_r,
|
||||
Rot_Akku => Rot_Akku,
|
||||
IR => IR(5 downto 0),
|
||||
ISet => ISet,
|
||||
BusA => BusA,
|
||||
|
@ -496,6 +385,8 @@ begin
|
|||
process (RESET_n, CLK_n)
|
||||
variable n : std_logic_vector(7 downto 0);
|
||||
variable ioq : std_logic_vector(8 downto 0);
|
||||
variable temp_c : unsigned(8 downto 0);
|
||||
variable temp_h : unsigned(4 downto 0);
|
||||
begin
|
||||
if RESET_n = '0' then
|
||||
PC <= (others => '0'); -- Program Counter
|
||||
|
@ -510,6 +401,11 @@ begin
|
|||
|
||||
ACC <= (others => '1');
|
||||
F <= (others => '1');
|
||||
if Mode = 3 then
|
||||
ACC <= (others => '0');
|
||||
F <= "11110000";
|
||||
end if;
|
||||
|
||||
Ap <= (others => '1');
|
||||
Fp <= (others => '1');
|
||||
I <= (others => '0');
|
||||
|
@ -538,7 +434,7 @@ begin
|
|||
R <= unsigned(DIR(47 downto 40));
|
||||
SP <= unsigned(DIR(63 downto 48));
|
||||
PC <= unsigned(DIR(79 downto 64));
|
||||
A <= DIR(79 downto 64);
|
||||
A <= DIR(79 downto 64);
|
||||
IStatus <= DIR(209 downto 208);
|
||||
|
||||
elsif ClkEn = '1' then
|
||||
|
@ -548,7 +444,27 @@ begin
|
|||
|
||||
MCycles <= MCycles_d;
|
||||
|
||||
if IMode /= "11" then
|
||||
if LDHLSP = '1' and MCycle = "011" and TState = 1 then
|
||||
temp_c := unsigned('0'&SP(7 downto 0))+unsigned('0'&Save_Mux);
|
||||
temp_h := unsigned('0'&SP(3 downto 0))+unsigned('0'&Save_Mux(3 downto 0));
|
||||
F(Flag_Z) <= '0';
|
||||
F(Flag_N) <= '0';
|
||||
F(Flag_H) <= temp_h(4);
|
||||
F(Flag_C) <= temp_c(8);
|
||||
end if;
|
||||
|
||||
if ADDSPdd = '1' and TState = 1 then
|
||||
temp_c := unsigned('0'&SP(7 downto 0))+unsigned('0'&Save_Mux);
|
||||
temp_h := unsigned('0'&SP(3 downto 0))+unsigned('0'&Save_Mux(3 downto 0));
|
||||
F(Flag_Z) <= '0';
|
||||
F(Flag_N) <= '0';
|
||||
F(Flag_H) <= temp_h(4);
|
||||
F(Flag_C) <= temp_c(8);
|
||||
end if;
|
||||
|
||||
if Mode = 3 then
|
||||
IStatus <= "10";
|
||||
elsif IMode /= "11" then
|
||||
IStatus <= IMode;
|
||||
end if;
|
||||
|
||||
|
@ -582,6 +498,11 @@ begin
|
|||
IR <= DInst;
|
||||
end if;
|
||||
|
||||
if Mode <= 1 and IntCycle = '1' and IStatus = "10" then
|
||||
-- IM2 vector address low byte from bus
|
||||
WZ(7 downto 0) <= DInst;
|
||||
end if;
|
||||
|
||||
ISet <= "00";
|
||||
if Prefix /= "00" then
|
||||
if Prefix = "11" then
|
||||
|
@ -629,7 +550,8 @@ begin
|
|||
elsif MCycle = MCycles and NMICycle = '1' then
|
||||
A <= "0000000001100110";
|
||||
PC <= "0000000001100110";
|
||||
elsif MCycle = "011" and IntCycle = '1' and IStatus = "10" then
|
||||
elsif ((Mode /= 3 and MCycle = "011") or (Mode = 3 and MCycle = "100"))
|
||||
and IntCycle = '1' and IStatus = "10" then
|
||||
A(15 downto 8) <= I;
|
||||
A(7 downto 0) <= WZ(7 downto 0);
|
||||
PC(15 downto 8) <= unsigned(I);
|
||||
|
@ -693,7 +615,12 @@ begin
|
|||
end if;
|
||||
end if;
|
||||
when others =>
|
||||
A <= std_logic_vector(PC);
|
||||
if ISet = "10" and IR(7 downto 4) = x"B" and IR(2 downto 1) = "01" and MCycle = 3 and No_BTR = '0' then
|
||||
-- INIR, INDR, OTIR, OTDR
|
||||
A <= RegBusA_r;
|
||||
elsif No_PC = '0' or No_BTR = '1' or (I_DJNZ = '1' and IncDecZ = '1') or Mode > 1 then
|
||||
A <= std_logic_vector(PC);
|
||||
end if;
|
||||
end case;
|
||||
end if;
|
||||
|
||||
|
@ -704,29 +631,50 @@ begin
|
|||
Save_ALU_r <= Save_ALU;
|
||||
ALU_Op_r <= ALU_Op;
|
||||
|
||||
if I_CPL = '1' then
|
||||
-- CPL
|
||||
ACC <= not ACC;
|
||||
F(Flag_Y) <= not ACC(5);
|
||||
F(Flag_H) <= '1';
|
||||
F(Flag_X) <= not ACC(3);
|
||||
F(Flag_N) <= '1';
|
||||
end if;
|
||||
if I_CCF = '1' then
|
||||
-- CCF
|
||||
F(Flag_C) <= not F(Flag_C);
|
||||
F(Flag_Y) <= ACC(5);
|
||||
F(Flag_H) <= F(Flag_C);
|
||||
F(Flag_X) <= ACC(3);
|
||||
F(Flag_N) <= '0';
|
||||
end if;
|
||||
if I_SCF = '1' then
|
||||
-- SCF
|
||||
F(Flag_C) <= '1';
|
||||
F(Flag_Y) <= ACC(5);
|
||||
F(Flag_H) <= '0';
|
||||
F(Flag_X) <= ACC(3);
|
||||
F(Flag_N) <= '0';
|
||||
if Mode = 3 then
|
||||
if I_CPL = '1' then
|
||||
-- CPL
|
||||
ACC <= not ACC;
|
||||
F(Flag_H) <= '1';
|
||||
F(Flag_N) <= '1';
|
||||
end if;
|
||||
if I_CCF = '1' then
|
||||
-- CCF
|
||||
F(Flag_C) <= not F(Flag_C);
|
||||
F(Flag_H) <= '0';
|
||||
F(Flag_N) <= '0';
|
||||
end if;
|
||||
if I_SCF = '1' then
|
||||
-- SCF
|
||||
F(Flag_C) <= '1';
|
||||
F(Flag_H) <= '0';
|
||||
F(Flag_N) <= '0';
|
||||
end if;
|
||||
else
|
||||
if I_CPL = '1' then
|
||||
-- CPL
|
||||
ACC <= not ACC;
|
||||
F(Flag_Y) <= not ACC(5);
|
||||
F(Flag_H) <= '1';
|
||||
F(Flag_X) <= not ACC(3);
|
||||
F(Flag_N) <= '1';
|
||||
end if;
|
||||
if I_CCF = '1' then
|
||||
-- CCF
|
||||
F(Flag_C) <= not F(Flag_C);
|
||||
F(Flag_Y) <= ACC(5);
|
||||
F(Flag_H) <= F(Flag_C);
|
||||
F(Flag_X) <= ACC(3);
|
||||
F(Flag_N) <= '0';
|
||||
end if;
|
||||
if I_SCF = '1' then
|
||||
-- SCF
|
||||
F(Flag_C) <= '1';
|
||||
F(Flag_Y) <= ACC(5);
|
||||
F(Flag_H) <= '0';
|
||||
F(Flag_X) <= ACC(3);
|
||||
F(Flag_N) <= '0';
|
||||
end if;
|
||||
end if;
|
||||
end if;
|
||||
|
||||
|
@ -777,6 +725,11 @@ begin
|
|||
end if;
|
||||
end if;
|
||||
|
||||
if ADDSPdd = '1' and TState = 2 then
|
||||
WZ <= std_logic_vector(SP);
|
||||
SP <= unsigned(signed(SP)+signed(Save_Mux));
|
||||
end if;
|
||||
|
||||
if LDSPHL = '1' then
|
||||
SP <= unsigned(RegBusC);
|
||||
end if;
|
||||
|
@ -924,7 +877,12 @@ begin
|
|||
when "11001" =>
|
||||
SP(15 downto 8) <= unsigned(Save_Mux);
|
||||
when "11011" =>
|
||||
F <= Save_Mux;
|
||||
if Mode = 3 then
|
||||
F(7 downto 4) <= Save_Mux(7 downto 4);
|
||||
F(3 downto 0) <= "0000"; -- bit 3 to 0 always return 0
|
||||
else
|
||||
F <= Save_Mux;
|
||||
end if;
|
||||
when others =>
|
||||
end case;
|
||||
if XYbit_undoc='1' then
|
||||
|
@ -935,6 +893,42 @@ begin
|
|||
end if;
|
||||
end process;
|
||||
|
||||
---------------------------------------------------------------------------
|
||||
--
|
||||
-- Multiply
|
||||
--
|
||||
---------------------------------------------------------------------------
|
||||
process (CLK_n, ACC, RegBusB, MULU_tmp, MULU_Fakt1, MULU_Prod32)
|
||||
begin
|
||||
|
||||
MULU_tmp(31 downto 12) <= std_logic_vector((unsigned(MULU_Fakt1)*unsigned(MULU_Prod32(3 downto 0)))+unsigned("0000"&MULU_Prod32(31 downto 16)));
|
||||
MULU_tmp(11 downto 0) <= MULU_Prod32(15 downto 4);
|
||||
|
||||
if rising_edge(CLK_n) then
|
||||
if ClkEn = '1' then
|
||||
if T_Res='1' then
|
||||
if I_MULUB='1' then
|
||||
MULU_Prod32(7 downto 0) <= ACC;
|
||||
MULU_Prod32(15 downto 8) <= "--------";
|
||||
MULU_Prod32(31 downto 16) <= X"0000";
|
||||
MULU_Fakt1(7 downto 0) <= "00000000";
|
||||
if Set_BusB_To(0) = '1' then
|
||||
MULU_Fakt1(15 downto 8) <= RegBusB(7 downto 0);
|
||||
else
|
||||
MULU_Fakt1(15 downto 8) <= RegBusB(15 downto 8);
|
||||
end if;
|
||||
else
|
||||
MULU_Prod32(15 downto 0) <= RegBusA;
|
||||
MULU_Prod32(31 downto 16) <= X"0000";
|
||||
MULU_Fakt1 <= RegBusB;
|
||||
end if;
|
||||
else
|
||||
MULU_Prod32 <= MULU_tmp;
|
||||
end if;
|
||||
end if;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
---------------------------------------------------------------------------
|
||||
--
|
||||
-- BC('), DE('), HL('), IX and IY
|
||||
|
@ -990,7 +984,9 @@ begin
|
|||
(TState = 3 and MCycle = "001" and IncDec_16(2) = '1')) and IncDec_16(1 downto 0) = "10" else
|
||||
-- EX HL,DL
|
||||
Alternate & "10" when ExchangeDH = '1' and TState = 3 else
|
||||
Alternate & "01" when ExchangeDH = '1' and TState = 4 else
|
||||
Alternate & "01" when (ExchangeDH = '1' or I_MULU = '1') and TState = 4 else
|
||||
-- LDHLSP
|
||||
"010" when LDHLSP = '1' and TState = 4 else
|
||||
-- Bus A / Write
|
||||
RegAddrA_r;
|
||||
|
||||
|
@ -1003,8 +999,8 @@ begin
|
|||
ID16 <= signed(RegBusA) - 1 when IncDec_16(3) = '1' else
|
||||
signed(RegBusA) + 1;
|
||||
|
||||
process (Save_ALU_r, Auto_Wait_t1, ALU_OP_r, Read_To_Reg_r,
|
||||
ExchangeDH, IncDec_16, MCycle, TState, Wait_n)
|
||||
process (Save_ALU_r, Auto_Wait_t1, ALU_OP_r, Read_To_Reg_r, I_MULU, T_Res,
|
||||
ExchangeDH, IncDec_16, MCycle, TState, Wait_n, LDHLSP)
|
||||
begin
|
||||
RegWEH <= '0';
|
||||
RegWEL <= '0';
|
||||
|
@ -1018,11 +1014,21 @@ begin
|
|||
end case;
|
||||
end if;
|
||||
|
||||
if I_MULU = '1' and (T_Res = '1' or TState = 4) then -- TState = 4 DE write
|
||||
RegWEH <= '1';
|
||||
RegWEL <= '1';
|
||||
end if;
|
||||
|
||||
if ExchangeDH = '1' and (TState = 3 or TState = 4) then
|
||||
RegWEH <= '1';
|
||||
RegWEL <= '1';
|
||||
end if;
|
||||
|
||||
if LDHLSP = '1' and MCycle = "010" and TState = 4 then
|
||||
RegWEH <= '1';
|
||||
RegWEL <= '1';
|
||||
end if;
|
||||
|
||||
if IncDec_16(2) = '1' and ((TState = 2 and Wait_n = '1' and MCycle /= "001") or (TState = 3 and MCycle = "001")) then
|
||||
case IncDec_16(1 downto 0) is
|
||||
when "00" | "01" | "10" =>
|
||||
|
@ -1033,12 +1039,29 @@ begin
|
|||
end if;
|
||||
end process;
|
||||
|
||||
process (Save_Mux, RegBusB, RegBusA_r, ID16,
|
||||
ExchangeDH, IncDec_16, MCycle, TState, Wait_n)
|
||||
TmpAddr2 <= std_logic_vector(unsigned(signed(SP) + signed(Save_Mux)));
|
||||
|
||||
process (Save_Mux, RegBusB, RegBusA_r, ID16, I_MULU, MULU_Prod32, MULU_tmp, T_Res,
|
||||
ExchangeDH, IncDec_16, MCycle, TState, Wait_n, LDHLSP, TmpAddr2)
|
||||
begin
|
||||
RegDIH <= Save_Mux;
|
||||
RegDIL <= Save_Mux;
|
||||
|
||||
if I_MULU = '1' then
|
||||
if T_Res = '1' then
|
||||
RegDIH <= MULU_Prod32(31 downto 24);
|
||||
RegDIL <= MULU_Prod32(23 downto 16);
|
||||
else
|
||||
RegDIH <= MULU_tmp(15 downto 8); -- TState = 4 DE write
|
||||
RegDIL <= MULU_tmp(7 downto 0);
|
||||
end if;
|
||||
end if;
|
||||
|
||||
if LDHLSP = '1' and MCycle = "010" and TState = 4 then
|
||||
RegDIH <= TmpAddr2(15 downto 8);
|
||||
RegDIL <= TmpAddr2(7 downto 0);
|
||||
end if;
|
||||
|
||||
if ExchangeDH = '1' and TState = 3 then
|
||||
RegDIH <= RegBusB(15 downto 8);
|
||||
RegDIL <= RegBusB(7 downto 0);
|
||||
|
@ -1169,13 +1192,12 @@ begin
|
|||
TS <= std_logic_vector(TState);
|
||||
DI_Reg <= DI;
|
||||
HALT_n <= not Halt_FF;
|
||||
BUSAK_n <= not BusAck;
|
||||
BUSAK_n <= not (BusAck and RESET_n);
|
||||
IntCycle_n <= not IntCycle;
|
||||
NMICycle_n <= not NMICycle;
|
||||
IntE <= IntE_FF1;
|
||||
IORQ <= IORQ_i;
|
||||
Stop <= I_DJNZ;
|
||||
|
||||
-------------------------------------------------------------------------
|
||||
--
|
||||
-- Main state machine
|
||||
|
@ -1189,7 +1211,7 @@ begin
|
|||
TState <= "000";
|
||||
Pre_XY_F_M <= "000";
|
||||
Halt_FF <= '0';
|
||||
BusAck <= '0';
|
||||
--BusAck <= '0';
|
||||
NMICycle <= '0';
|
||||
IntCycle <= '0';
|
||||
IntE_FF1 <= '0';
|
||||
|
@ -1198,10 +1220,9 @@ begin
|
|||
Auto_Wait_t1 <= '0';
|
||||
Auto_Wait_t2 <= '0';
|
||||
M1_n <= '1';
|
||||
BusReq_s <= '0';
|
||||
--BusReq_s <= '0';
|
||||
NMI_s <= '0';
|
||||
elsif rising_edge(CLK_n) then
|
||||
|
||||
if DIRSet = '1' then
|
||||
IntE_FF2 <= DIR(211);
|
||||
IntE_FF1 <= DIR(210);
|
||||
|
@ -1249,13 +1270,20 @@ begin
|
|||
BusAck <= '0';
|
||||
if TState = 2 and Wait_n = '0' then
|
||||
elsif T_Res = '1' then
|
||||
if Halt = '1' then
|
||||
if Halt = '1' and ( not(Mode = 3 and INT_n = '0' and IntE_FF1 = '0')) then -- halt bug when Mode = 3 , INT_n = '0' and IME=0
|
||||
Halt_FF <= '1';
|
||||
end if;
|
||||
if BusReq_s = '1' then
|
||||
BusAck <= '1';
|
||||
else
|
||||
TState <= "001";
|
||||
if (IntCycle = '1' and Mode = 3) then -- GB: read interrupt at MCycle 3
|
||||
if (MCycle = "010") then
|
||||
M1_n <= '0';
|
||||
else
|
||||
M1_n <= '1';
|
||||
end if;
|
||||
end if;
|
||||
if NextIs_XY_Fetch = '1' then
|
||||
MCycle <= "110";
|
||||
Pre_XY_F_M <= MCycle;
|
||||
|
@ -1277,6 +1305,8 @@ begin
|
|||
IntCycle <= '1';
|
||||
IntE_FF1 <= '0';
|
||||
IntE_FF2 <= '0';
|
||||
elsif (Halt_FF = '1' and INT_n = '0' and Mode = 3) then
|
||||
Halt_FF <= '0';
|
||||
end if;
|
||||
else
|
||||
MCycle <= std_logic_vector(unsigned(MCycle) + 1);
|
||||
|
|
|
@ -89,6 +89,7 @@ entity T80_ALU is
|
|||
WZ : in std_logic_vector(15 downto 0);
|
||||
XY_State : in std_logic_vector(1 downto 0);
|
||||
ALU_Op : in std_logic_vector(3 downto 0);
|
||||
Rot_Akku : in std_logic;
|
||||
IR : in std_logic_vector(5 downto 0);
|
||||
ISet : in std_logic_vector(1 downto 0);
|
||||
BusA : in std_logic_vector(7 downto 0);
|
||||
|
@ -158,7 +159,7 @@ begin
|
|||
end if;
|
||||
end process;
|
||||
|
||||
process (Arith16, ALU_OP, F_In, BusA, BusB, IR, Q_v, Carry_v, HalfCarry_v, OverFlow_v, BitMask, ISet, Z16, WZ, XY_State)
|
||||
process (Arith16, ALU_OP, F_In, BusA, BusB, IR, Q_v, Carry_v, HalfCarry_v, OverFlow_v, BitMask, ISet, Z16, Rot_Akku, WZ, XY_State)
|
||||
variable Q_t : std_logic_vector(7 downto 0);
|
||||
variable DAA_Q : unsigned(8 downto 0);
|
||||
begin
|
||||
|
@ -220,35 +221,64 @@ begin
|
|||
end if;
|
||||
when "1100" =>
|
||||
-- DAA
|
||||
F_Out(Flag_H) <= F_In(Flag_H);
|
||||
F_Out(Flag_C) <= F_In(Flag_C);
|
||||
DAA_Q(7 downto 0) := unsigned(BusA);
|
||||
DAA_Q(8) := '0';
|
||||
if F_In(Flag_N) = '0' then
|
||||
-- After addition
|
||||
-- Alow > 9 or H = 1
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
if (DAA_Q(3 downto 0) > 9) then
|
||||
F_Out(Flag_H) <= '1';
|
||||
else
|
||||
F_Out(Flag_H) <= '0';
|
||||
if Mode = 3 then
|
||||
F_Out(Flag_H) <= '0';
|
||||
F_Out(Flag_C) <= F_In(Flag_C);
|
||||
DAA_Q(7 downto 0) := unsigned(BusA);
|
||||
DAA_Q(8) := '0';
|
||||
if F_In(Flag_N) = '0' then
|
||||
-- After addition
|
||||
-- Alow > 9 or H = 1
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
DAA_Q := DAA_Q + 6;
|
||||
end if;
|
||||
-- new Ahigh > 9 or C = 1
|
||||
if DAA_Q(8 downto 4) > 9 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q + 96; -- 0x60
|
||||
end if;
|
||||
else
|
||||
-- After subtraction
|
||||
if F_In(Flag_H) = '1' then
|
||||
DAA_Q := DAA_Q - 6;
|
||||
if F_In(Flag_C) = '0' then
|
||||
DAA_Q(8) := '0';
|
||||
end if;
|
||||
end if;
|
||||
if F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q - 96; -- 0x60
|
||||
end if;
|
||||
DAA_Q := DAA_Q + 6;
|
||||
end if;
|
||||
-- new Ahigh > 9 or C = 1
|
||||
if DAA_Q(8 downto 4) > 9 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q + 96; -- 0x60
|
||||
end if;
|
||||
else
|
||||
-- After subtraction
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
if DAA_Q(3 downto 0) > 5 then
|
||||
F_Out(Flag_H) <= '0';
|
||||
F_Out(Flag_H) <= F_In(Flag_H);
|
||||
F_Out(Flag_C) <= F_In(Flag_C);
|
||||
DAA_Q(7 downto 0) := unsigned(BusA);
|
||||
DAA_Q(8) := '0';
|
||||
if F_In(Flag_N) = '0' then
|
||||
-- After addition
|
||||
-- Alow > 9 or H = 1
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
if (DAA_Q(3 downto 0) > 9) then
|
||||
F_Out(Flag_H) <= '1';
|
||||
else
|
||||
F_Out(Flag_H) <= '0';
|
||||
end if;
|
||||
DAA_Q := DAA_Q + 6;
|
||||
end if;
|
||||
-- new Ahigh > 9 or C = 1
|
||||
if DAA_Q(8 downto 4) > 9 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q + 96; -- 0x60
|
||||
end if;
|
||||
else
|
||||
-- After subtraction
|
||||
if DAA_Q(3 downto 0) > 9 or F_In(Flag_H) = '1' then
|
||||
if DAA_Q(3 downto 0) > 5 then
|
||||
F_Out(Flag_H) <= '0';
|
||||
end if;
|
||||
DAA_Q(7 downto 0) := DAA_Q(7 downto 0) - 6;
|
||||
end if;
|
||||
if unsigned(BusA) > 153 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q - 352; -- 0x160
|
||||
end if;
|
||||
DAA_Q(7 downto 0) := DAA_Q(7 downto 0) - 6;
|
||||
end if;
|
||||
if unsigned(BusA) > 153 or F_In(Flag_C) = '1' then
|
||||
DAA_Q := DAA_Q - 352; -- 0x160
|
||||
end if;
|
||||
end if;
|
||||
F_Out(Flag_X) <= DAA_Q(3);
|
||||
|
@ -368,6 +398,9 @@ begin
|
|||
F_Out(Flag_S) <= F_In(Flag_S);
|
||||
F_Out(Flag_Z) <= F_In(Flag_Z);
|
||||
end if;
|
||||
if Mode = 3 and Rot_Akku = '1' then
|
||||
F_Out(Flag_Z) <= '0';
|
||||
end if;
|
||||
when others =>
|
||||
null;
|
||||
end case;
|
||||
|
|
File diff suppressed because it is too large
Load Diff
|
@ -11,7 +11,7 @@
|
|||
--
|
||||
-- Z80 compatible microprocessor core
|
||||
--
|
||||
-- Version : 0242
|
||||
-- Version : 0250
|
||||
--
|
||||
-- Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
|
||||
--
|
||||
|
@ -84,7 +84,7 @@ package T80_Pack is
|
|||
port(
|
||||
RESET_n : in std_logic;
|
||||
CLK_n : in std_logic;
|
||||
CEN : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WAIT_n : in std_logic;
|
||||
INT_n : in std_logic;
|
||||
NMI_n : in std_logic;
|
||||
|
@ -96,16 +96,18 @@ package T80_Pack is
|
|||
RFSH_n : out std_logic;
|
||||
HALT_n : out std_logic;
|
||||
BUSAK_n : out std_logic;
|
||||
A : out std_logic_vector(15 downto 0);
|
||||
A : out std_logic_vector(15 downto 0);
|
||||
DInst : in std_logic_vector(7 downto 0);
|
||||
DI : in std_logic_vector(7 downto 0);
|
||||
DO : out std_logic_vector(7 downto 0);
|
||||
MC : out std_logic_vector(2 downto 0);
|
||||
TS : out std_logic_vector(2 downto 0);
|
||||
DI : in std_logic_vector(7 downto 0);
|
||||
DO : out std_logic_vector(7 downto 0);
|
||||
MC : out std_logic_vector(2 downto 0);
|
||||
TS : out std_logic_vector(2 downto 0);
|
||||
IntCycle_n : out std_logic;
|
||||
NMICycle_n : out std_logic;
|
||||
IntE : out std_logic;
|
||||
Stop : out std_logic;
|
||||
R800_mode : in std_logic := '0';
|
||||
out0 : in std_logic := '0'; -- 0 => OUT(C),0, 1 => OUT(C),255
|
||||
REG : out std_logic_vector(211 downto 0); -- IFF2, IFF1, IM, IY, HL', DE', BC', IX, HL, DE, BC, PC, SP, R, I, F', A', F, A
|
||||
DIRSet : in std_logic := '0';
|
||||
DIR : in std_logic_vector(211 downto 0) := (others => '0') -- IFF2, IFF1, IM, IY, HL', DE', BC', IX, HL, DE, BC, PC, SP, R, I, F', A', F, A
|
||||
|
@ -114,24 +116,24 @@ package T80_Pack is
|
|||
|
||||
component T80_Reg
|
||||
port(
|
||||
Clk : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WEH : in std_logic;
|
||||
WEL : in std_logic;
|
||||
AddrA : in std_logic_vector(2 downto 0);
|
||||
AddrB : in std_logic_vector(2 downto 0);
|
||||
AddrC : in std_logic_vector(2 downto 0);
|
||||
DIH : in std_logic_vector(7 downto 0);
|
||||
DIL : in std_logic_vector(7 downto 0);
|
||||
DOAH : out std_logic_vector(7 downto 0);
|
||||
DOAL : out std_logic_vector(7 downto 0);
|
||||
DOBH : out std_logic_vector(7 downto 0);
|
||||
DOBL : out std_logic_vector(7 downto 0);
|
||||
DOCH : out std_logic_vector(7 downto 0);
|
||||
DOCL : out std_logic_vector(7 downto 0);
|
||||
DOR : out std_logic_vector(127 downto 0);
|
||||
DIRSet : in std_logic;
|
||||
DIR : in std_logic_vector(127 downto 0)
|
||||
Clk : in std_logic;
|
||||
CEN : in std_logic;
|
||||
WEH : in std_logic;
|
||||
WEL : in std_logic;
|
||||
AddrA : in std_logic_vector(2 downto 0);
|
||||
AddrB : in std_logic_vector(2 downto 0);
|
||||
AddrC : in std_logic_vector(2 downto 0);
|
||||
DIH : in std_logic_vector(7 downto 0);
|
||||
DIL : in std_logic_vector(7 downto 0);
|
||||
DOAH : out std_logic_vector(7 downto 0);
|
||||
DOAL : out std_logic_vector(7 downto 0);
|
||||
DOBH : out std_logic_vector(7 downto 0);
|
||||
DOBL : out std_logic_vector(7 downto 0);
|
||||
DOCH : out std_logic_vector(7 downto 0);
|
||||
DOCL : out std_logic_vector(7 downto 0);
|
||||
DOR : out std_logic_vector(127 downto 0);
|
||||
DIRSet : in std_logic;
|
||||
DIR : in std_logic_vector(127 downto 0)
|
||||
);
|
||||
end component;
|
||||
|
||||
|
@ -168,6 +170,7 @@ package T80_Pack is
|
|||
ALU_Op : out std_logic_vector(3 downto 0);
|
||||
-- ADD, ADC, SUB, SBC, AND, XOR, OR, CP, ROT, BIT, SET, RES, DAA, RLD, RRD, None
|
||||
Save_ALU : out std_logic;
|
||||
Rot_Akku : out std_logic;
|
||||
PreserveC : out std_logic;
|
||||
Arith16 : out std_logic;
|
||||
Set_Addr_To : out std_logic_vector(2 downto 0); -- aNone,aXY,aIOA,aSP,aBC,aDE,aZI
|
||||
|
@ -181,7 +184,7 @@ package T80_Pack is
|
|||
LDW : out std_logic;
|
||||
LDSPHL : out std_logic;
|
||||
LDHLSP : out std_logic;
|
||||
ADDSPdd : out std_logic;
|
||||
ADDSPdd : out std_logic;
|
||||
Special_LD : out std_logic_vector(2 downto 0); -- A,I;A,R;I,A;R,A;None
|
||||
ExchangeDH : out std_logic;
|
||||
ExchangeRp : out std_logic;
|
||||
|
@ -198,12 +201,17 @@ package T80_Pack is
|
|||
I_RLD : out std_logic;
|
||||
I_RRD : out std_logic;
|
||||
I_INRC : out std_logic;
|
||||
I_MULUB : out std_logic;
|
||||
I_MULU : out std_logic;
|
||||
SetWZ : out std_logic_vector(1 downto 0);
|
||||
SetDI : out std_logic;
|
||||
SetEI : out std_logic;
|
||||
IMode : out std_logic_vector(1 downto 0);
|
||||
Halt : out std_logic;
|
||||
NoRead : out std_logic;
|
||||
Write : out std_logic;
|
||||
R800_mode : in std_logic;
|
||||
No_PC : out std_logic;
|
||||
XYbit_undoc : out std_logic
|
||||
);
|
||||
end component;
|
||||
|
@ -223,7 +231,10 @@ package T80_Pack is
|
|||
port(
|
||||
Arith16 : in std_logic;
|
||||
Z16 : in std_logic;
|
||||
WZ : in std_logic_vector(15 downto 0);
|
||||
XY_State : in std_logic_vector(1 downto 0);
|
||||
ALU_Op : in std_logic_vector(3 downto 0);
|
||||
Rot_Akku : in std_logic;
|
||||
IR : in std_logic_vector(5 downto 0);
|
||||
ISet : in std_logic_vector(1 downto 0);
|
||||
BusA : in std_logic_vector(7 downto 0);
|
||||
|
|
|
@ -203,7 +203,7 @@ begin
|
|||
begin
|
||||
if CLK_n'event and CLK_n = '0' then
|
||||
if CEN = '1' then
|
||||
Wait_s <= WAIT_n;
|
||||
Wait_s <= WAIT_n or (IORQ_n_i and MREQ_n_i);
|
||||
if TState = "011" and BUSAK_n_i = '1' then
|
||||
DI_Reg <= to_x01(Din);
|
||||
end if;
|
||||
|
|
|
@ -110,15 +110,13 @@ type state_type is (idle, nop_t1, nop_t2, nop_t3, nop_t4, rd_t1, rd_wa, rd_t2, r
|
|||
signal RFSH_n_int : std_logic;
|
||||
signal M1_n_int : std_logic;
|
||||
signal BUSAK_n_int : std_logic;
|
||||
signal BUSAK_n_comb : std_logic;
|
||||
signal WAIT_n_latched : std_logic;
|
||||
signal TState : std_logic_vector(2 downto 0);
|
||||
signal TState1 : std_logic_vector(2 downto 0);
|
||||
signal SS_Single : std_logic;
|
||||
signal SS_Step : std_logic;
|
||||
signal SS_Step_held : std_logic;
|
||||
signal CountCycle : std_logic;
|
||||
signal special : std_logic_vector(1 downto 0);
|
||||
signal int_ctrl : std_logic_vector(7 downto 0);
|
||||
signal skipNextOpcode : std_logic;
|
||||
|
||||
signal Regs : std_logic_vector(255 downto 0);
|
||||
|
@ -152,24 +150,19 @@ type state_type is (idle, nop_t1, nop_t2, nop_t3, nop_t4, rd_t1, rd_wa, rd_t2, r
|
|||
signal BUSRQ_n_sync : std_logic;
|
||||
signal INT_n_sync : std_logic;
|
||||
signal NMI_n_sync : std_logic;
|
||||
signal RESET_n_sync : std_logic;
|
||||
|
||||
signal Rdy : std_logic;
|
||||
signal Read_n : std_logic;
|
||||
signal Read_n0 : std_logic;
|
||||
signal Read_n1 : std_logic;
|
||||
signal Write_n : std_logic;
|
||||
signal Write_n0 : std_logic;
|
||||
signal ReadIO_n : std_logic;
|
||||
signal ReadIO_n0 : std_logic;
|
||||
signal ReadIO_n1 : std_logic;
|
||||
signal WriteIO_n : std_logic;
|
||||
signal WriteIO_n0 : std_logic;
|
||||
signal Sync : std_logic;
|
||||
signal Sync0 : std_logic;
|
||||
signal Sync1 : std_logic;
|
||||
signal Mem_IO_n : std_logic;
|
||||
|
||||
signal MemState : std_logic_vector(2 downto 0);
|
||||
|
||||
signal Din : std_logic_vector(7 downto 0);
|
||||
signal Dout : std_logic_vector(7 downto 0);
|
||||
|
@ -226,7 +219,7 @@ begin
|
|||
WrIO_n => WriteIO_n,
|
||||
Sync => Sync,
|
||||
Rdy => open,
|
||||
nRSTin => RESET_n,
|
||||
nRSTin => RESET_n_sync,
|
||||
nRSTout => cpu_reset_n,
|
||||
CountCycle => CountCycle,
|
||||
trig => trig,
|
||||
|
@ -250,7 +243,7 @@ begin
|
|||
DataOut => memory_dout,
|
||||
DataIn => memory_din,
|
||||
Done => memory_done,
|
||||
Special => special,
|
||||
int_ctrl => int_ctrl,
|
||||
SS_Single => SS_Single,
|
||||
SS_Step => SS_Step
|
||||
);
|
||||
|
@ -291,9 +284,31 @@ begin
|
|||
int_gen : process(CLK_n)
|
||||
begin
|
||||
if rising_edge(CLK_n) then
|
||||
BUSRQ_n_sync <= BUSRQ_n;
|
||||
NMI_n_sync <= NMI_n or special(1);
|
||||
INT_n_sync <= INT_n or special(0);
|
||||
|
||||
if int_ctrl(1) = '1' then
|
||||
BUSRQ_n_sync <= int_ctrl(0);
|
||||
else
|
||||
BUSRQ_n_sync <= BUSRQ_n or (int_ctrl(0) and SS_single);
|
||||
end if;
|
||||
|
||||
if int_ctrl(3) = '1' then
|
||||
INT_n_sync <= int_ctrl(2);
|
||||
else
|
||||
INT_n_sync <= INT_n or (int_ctrl(2) and SS_single);
|
||||
end if;
|
||||
|
||||
if int_ctrl(5) = '1' then
|
||||
NMI_n_sync <= int_ctrl(4);
|
||||
else
|
||||
NMI_n_sync <= NMI_n or (int_ctrl(4) and SS_single);
|
||||
end if;
|
||||
|
||||
if int_ctrl(7) = '1' then
|
||||
RESET_n_sync <= int_ctrl(6);
|
||||
else
|
||||
RESET_n_sync <= RESET_n or (int_ctrl(6) and SS_single);
|
||||
end if;
|
||||
|
||||
end if;
|
||||
end process;
|
||||
|
||||
|
@ -327,40 +342,32 @@ begin
|
|||
-- really care about the data (it's re-read from memory by the disassembler).
|
||||
Sync0 <= '1' when WAIT_n = '1' and M1_n_int = '0' and TState = "010" and skipNextOpcode = '0' else '0';
|
||||
|
||||
-- For memory reads/write breakpoints we make the monitoring decision in the middle of T2
|
||||
-- but only if WAIT_n is '1' so we catch the right data.
|
||||
Read_n0 <= not (WAIT_n and (not RD_n_int) and (not MREQ_n_int) and (M1_n_int)) when TState = "010" else '1';
|
||||
Write_n0 <= not (WAIT_n and ( RD_n_int) and (not MREQ_n_int) and (M1_n_int)) when TState = "010" else '1';
|
||||
|
||||
-- For IO reads/writes we make the monitoring decision in the middle of the second T2 cycle
|
||||
-- but only if WAIT_n is '1' so we catch the right data.
|
||||
-- This one cycle delay accounts for the forced wait state
|
||||
ReadIO_n0 <= not (WAIT_n and (not RD_n_int) and (not IORQ_n_int) and (M1_n_int)) when TState1 = "010" else '1';
|
||||
WriteIO_n0 <= not (WAIT_n and ( RD_n_int) and (not IORQ_n_int) and (M1_n_int)) when TState1 = "010" else '1';
|
||||
-- For reads/write breakpoints we make the monitoring decision in the middle of T3
|
||||
Read_n0 <= not ((not RD_n_int) and (not MREQ_n_int) and (M1_n_int)) when TState = "011" else '1';
|
||||
Write_n0 <= not (( RD_n_int) and (not MREQ_n_int) and (M1_n_int)) when TState = "011" else '1';
|
||||
ReadIO_n0 <= not ((not RD_n_int) and (not IORQ_n_int) and (M1_n_int)) when TState = "011" else '1';
|
||||
WriteIO_n0 <= not (( RD_n_int) and (not IORQ_n_int) and (M1_n_int)) when TState = "011" else '1';
|
||||
|
||||
-- Hold the monitoring decision so it is valid on the rising edge of the clock
|
||||
-- For instruction fetches and writes, the monitor sees these at the start of T3
|
||||
-- For reads, the data can arrive in the middle of T3 so delay until end of T3
|
||||
-- For instruction fetches the monitor sees these at the end of T2
|
||||
-- For reads and writes, the data is sampled in the middle of T3 so delay until end of T3
|
||||
watch_gen : process(CLK_n)
|
||||
begin
|
||||
if falling_edge(CLK_n) then
|
||||
Sync <= Sync0;
|
||||
Read_n1 <= Read_n0;
|
||||
Read_n <= Read_n1;
|
||||
Read_n <= Read_n0;
|
||||
Write_n <= Write_n0;
|
||||
ReadIO_n1 <= ReadIO_n0;
|
||||
ReadIO_n <= ReadIO_n1;
|
||||
ReadIO_n <= ReadIO_n0;
|
||||
WriteIO_n <= WriteIO_n0;
|
||||
-- Latch wait seen by T80 on the falling edge, for use on the next rising edge
|
||||
WAIT_n_latched <= WAIT_n;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
-- Register the exec data on the rising at the end of T2
|
||||
-- Register the exec data on the rising edge of the clock at the end of T2
|
||||
ex_data_latch : process(CLK_n)
|
||||
begin
|
||||
if rising_edge(CLK_n) then
|
||||
TState1 <= TState;
|
||||
if Sync = '1' then
|
||||
ex_data <= Data;
|
||||
end if;
|
||||
|
@ -371,14 +378,14 @@ begin
|
|||
rd_data_latch : process(CLK_n)
|
||||
begin
|
||||
if falling_edge(CLK_n) then
|
||||
if Read_n1 = '0' or ReadIO_n1 = '0' then
|
||||
if Read_n0 = '0' or ReadIO_n0 = '0' then
|
||||
rd_data <= Data;
|
||||
end if;
|
||||
memory_din <= Data;
|
||||
end if;
|
||||
end process;
|
||||
|
||||
-- Register the write data on the falling edge in the middle of T2
|
||||
-- Register the read data on the falling edge of clock in the middle of T3
|
||||
wr_data_latch : process(CLK_n)
|
||||
begin
|
||||
if falling_edge(CLK_n) then
|
||||
|
@ -417,7 +424,7 @@ begin
|
|||
BUSAK_n <= BUSAK_n_int when state = idle else mon_busak_n;
|
||||
|
||||
-- Force the address and databus to tristate when reset is asserted
|
||||
tristate_ad_n <= '0' when RESET_n = '0' else
|
||||
tristate_ad_n <= '0' when RESET_n_sync = '0' else
|
||||
BUSAK_n_int when state = idle else
|
||||
mon_busak_n1;
|
||||
|
||||
|
|
|
@ -22,7 +22,7 @@ OBJCOPY=avr-objcopy
|
|||
|
||||
PROG = avr_progmem
|
||||
|
||||
CFLAGS=$(CPU_CFLAGS) -DF_CPU=${F_CPU}UL -DBAUD=${BAUD} -mmcu=$(MCU) -Wall -Os -mcall-prologues
|
||||
CFLAGS=$(CPU_CFLAGS) -DF_CPU=${F_CPU}UL -DBAUD=${BAUD} -std=c99 -mmcu=$(MCU) -Wall -Os -mcall-prologues
|
||||
|
||||
OBJECTS=AtomBusMon.o status.o $(CPU_OBJECTS)
|
||||
|
||||
|
@ -30,6 +30,7 @@ build: $(TARGET).mcs
|
|||
|
||||
$(TARGET).mcs: $(TARGET).bit
|
||||
promgen -u 0 $(TARGET).bit -o $(TARGET).mcs -p mcs -w -spi -s 8192
|
||||
promgen -u 0 $(TARGET).bit -o $(TARGET).bin -p bin -w -spi -s 8192
|
||||
rm -f $(TARGET).cfi $(TARGET).prm
|
||||
|
||||
working/$(PROJECT).bit:
|
||||
|
|
|
@ -3,6 +3,8 @@ NET "CLK_n" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock49" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 | PERIOD = 20.35ns ; # 49.152 MHz Oscillator
|
||||
|
||||
NET "Addr<11>" LOC="P16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # Z80 pin 1
|
||||
|
|
|
@ -4,6 +4,8 @@ TIMESPEC TS_clk_period_49 = PERIOD "clk_period_grp_49" 20.345ns HIGH;
|
|||
NET "Phi0" TNM_NET = clk_period_grp_phi0;
|
||||
TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 ; # 49.152 MHz Oscillator
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 ; # 6502 pin 1
|
||||
NET "Rdy" LOC="P95" | IOSTANDARD = LVCMOS33 ; # 6502 pin 2
|
||||
|
|
|
@ -4,6 +4,8 @@ TIMESPEC TS_clk_period_49 = PERIOD "clk_period_grp_49" 20.345ns HIGH;
|
|||
NET "Phi0" TNM_NET = clk_period_grp_phi0;
|
||||
TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 ; # 49.152 MHz Oscillator
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 ; # 6502 pin 1
|
||||
NET "Rdy" LOC="P95" | IOSTANDARD = LVCMOS33 ; # 6502 pin 2
|
||||
|
|
|
@ -3,6 +3,8 @@ NET "clock49" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 | PERIOD = 20.35ns ; # 49.152 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 ; # 6809 pin 1
|
||||
NET "NMI_n" LOC="P95" | IOSTANDARD = LVCMOS33 ; # 6809 pin 2
|
||||
NET "IRQ_n" LOC="P18" | IOSTANDARD = LVCMOS33 ; # 6809 pin 3
|
||||
|
|
|
@ -4,6 +4,8 @@ TIMESPEC TS_clk_period_49 = PERIOD "clk_period_grp_49" 20.345ns HIGH;
|
|||
NET "Phi0" TNM_NET = clk_period_grp_phi0;
|
||||
TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 ; # 49.152 MHz Oscillator
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 ; # 6502 pin 1
|
||||
NET "Rdy" LOC="P95" | IOSTANDARD = LVCMOS33 ; # 6502 pin 2
|
||||
|
|
|
@ -4,6 +4,8 @@ TIMESPEC TS_clk_period_49 = PERIOD "clk_period_grp_49" 20.345ns HIGH;
|
|||
NET "Phi0" TNM_NET = clk_period_grp_phi0;
|
||||
TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 ; # 49.152 MHz Oscillator
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 ; # 6502 pin 1
|
||||
NET "Rdy" LOC="P95" | IOSTANDARD = LVCMOS33 ; # 6502 pin 2
|
||||
|
|
|
@ -3,6 +3,8 @@ NET "clock49" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 | PERIOD = 20.35ns ; # 49.152 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 ; # 6809 pin 1
|
||||
NET "NMI_n" LOC="P95" | IOSTANDARD = LVCMOS33 ; # 6809 pin 2
|
||||
NET "IRQ_n" LOC="P18" | IOSTANDARD = LVCMOS33 ; # 6809 pin 3
|
||||
|
|
|
@ -5,6 +5,8 @@ NET "clock49" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock49" LOC="P89" | IOSTANDARD = LVCMOS33 | PERIOD = 20.35ns ; # 49.152 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "Addr<11>" LOC="P16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # Z80 pin 1
|
||||
NET "Addr<12>" LOC="P95" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # Z80 pin 2
|
||||
NET "Addr<13>" LOC="P18" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # Z80 pin 3
|
||||
|
|
|
@ -16,6 +16,9 @@ NAME=${DIR}/icemulti
|
|||
|
||||
mkdir -p ${DIR}
|
||||
|
||||
for FORMAT in mcs bin
|
||||
do
|
||||
|
||||
promgen \
|
||||
-u 0 loader/MultiBootLoader.bit \
|
||||
-u 54000 unknown/UnknownAdapter.bit \
|
||||
|
@ -23,6 +26,8 @@ promgen \
|
|||
-u FC000 icez80/icez80.bit \
|
||||
-u 150000 ice65c02/ice65c02.bit \
|
||||
-u 1A4000 ice6809/ice6809.bit \
|
||||
-o $NAME.mcs -p mcs -w -spi -s 8192
|
||||
-o $NAME.$FORMAT -p $FORMAT -w -spi -s 8192
|
||||
|
||||
done
|
||||
|
||||
rm -f $NAME.cfi $NAME.prm
|
||||
|
|
|
@ -6,6 +6,8 @@ TIMESPEC TS_clk_period_phi = PERIOD "clk_period_grp_phi" 250ns LOW;
|
|||
|
||||
NET "PhiIn" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "VP_n" LOC="P35" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
@ -86,7 +88,7 @@ NET "tdin" LOC="P61" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
|||
NET "tcclk" LOC="P62" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
|
||||
# Test outputs (connect to J5 on FPGA board)
|
||||
#NET "test1" LOC="P46" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
#NET "test2" LOC="P48" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
#NET "test3" LOC="P57" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
#NET "test4" LOC="P59" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<0>" LOC="P46" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<1>" LOC="P47" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<2>" LOC="P48" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<3>" LOC="P56" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
|
|
|
@ -6,6 +6,8 @@ TIMESPEC TS_clk_period_phi = PERIOD "clk_period_grp_phi" 250ns LOW;
|
|||
|
||||
NET "PhiIn" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "VP_n" LOC="P35" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
@ -86,7 +88,7 @@ NET "tdin" LOC="P61" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
|||
NET "tcclk" LOC="P62" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
|
||||
# Test outputs (connect to J5 on FPGA board)
|
||||
#NET "test1" LOC="P46" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
#NET "test2" LOC="P48" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
#NET "test3" LOC="P57" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
#NET "test4" LOC="P59" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<0>" LOC="P46" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<1>" LOC="P47" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<2>" LOC="P48" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
NET "test<3>" LOC="P56" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ;
|
||||
|
|
|
@ -3,6 +3,8 @@ TIMESPEC TS_clk_period_50 = PERIOD "clk_period_grp_50" 20.00ns HIGH;
|
|||
|
||||
NET "E" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
#NET "VSS" LOC="P" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
|
|
@ -4,6 +4,8 @@ TIMESPEC TS_clk_period_clk_n = PERIOD "clk_period_grp_clk_n" 125ns LOW;
|
|||
|
||||
NET "CLK_n" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "Addr<11>" LOC="P43" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
|
File diff suppressed because one or more lines are too long
|
@ -22,7 +22,7 @@
|
|||
-- devices, or systems. Use in such applications are expressly --
|
||||
-- prohibited. --
|
||||
-- --
|
||||
-- (c) Copyright 1995-2017 Xilinx, Inc. --
|
||||
-- (c) Copyright 1995-2020 Xilinx, Inc. --
|
||||
-- All rights reserved. --
|
||||
--------------------------------------------------------------------------------
|
||||
--------------------------------------------------------------------------------
|
||||
|
@ -96,7 +96,7 @@ END COMPONENT;
|
|||
c_axis_type => 0,
|
||||
c_common_clock => 1,
|
||||
c_count_type => 0,
|
||||
c_data_count_width => 10,
|
||||
c_data_count_width => 13,
|
||||
c_default_value => "BlankString",
|
||||
c_din_width => 72,
|
||||
c_din_width_axis => 1,
|
||||
|
@ -179,7 +179,7 @@ END COMPONENT;
|
|||
c_overflow_low => 0,
|
||||
c_preload_latency => 0,
|
||||
c_preload_regs => 1,
|
||||
c_prim_fifo_type => "512x72",
|
||||
c_prim_fifo_type => "4kx9",
|
||||
c_prog_empty_thresh_assert_val => 4,
|
||||
c_prog_empty_thresh_assert_val_axis => 1022,
|
||||
c_prog_empty_thresh_assert_val_rach => 1022,
|
||||
|
@ -195,14 +195,14 @@ END COMPONENT;
|
|||
c_prog_empty_type_wach => 0,
|
||||
c_prog_empty_type_wdch => 0,
|
||||
c_prog_empty_type_wrch => 0,
|
||||
c_prog_full_thresh_assert_val => 511,
|
||||
c_prog_full_thresh_assert_val => 4095,
|
||||
c_prog_full_thresh_assert_val_axis => 1023,
|
||||
c_prog_full_thresh_assert_val_rach => 1023,
|
||||
c_prog_full_thresh_assert_val_rdch => 1023,
|
||||
c_prog_full_thresh_assert_val_wach => 1023,
|
||||
c_prog_full_thresh_assert_val_wdch => 1023,
|
||||
c_prog_full_thresh_assert_val_wrch => 1023,
|
||||
c_prog_full_thresh_negate_val => 510,
|
||||
c_prog_full_thresh_negate_val => 4094,
|
||||
c_prog_full_type => 0,
|
||||
c_prog_full_type_axis => 0,
|
||||
c_prog_full_type_rach => 0,
|
||||
|
@ -211,10 +211,10 @@ END COMPONENT;
|
|||
c_prog_full_type_wdch => 0,
|
||||
c_prog_full_type_wrch => 0,
|
||||
c_rach_type => 0,
|
||||
c_rd_data_count_width => 10,
|
||||
c_rd_depth => 512,
|
||||
c_rd_data_count_width => 13,
|
||||
c_rd_depth => 4096,
|
||||
c_rd_freq => 1,
|
||||
c_rd_pntr_width => 9,
|
||||
c_rd_pntr_width => 12,
|
||||
c_rdch_type => 0,
|
||||
c_reg_slice_mode_axis => 0,
|
||||
c_reg_slice_mode_rach => 0,
|
||||
|
@ -242,8 +242,8 @@ END COMPONENT;
|
|||
c_wach_type => 0,
|
||||
c_wdch_type => 0,
|
||||
c_wr_ack_low => 0,
|
||||
c_wr_data_count_width => 10,
|
||||
c_wr_depth => 512,
|
||||
c_wr_data_count_width => 13,
|
||||
c_wr_depth => 4096,
|
||||
c_wr_depth_axis => 1024,
|
||||
c_wr_depth_rach => 16,
|
||||
c_wr_depth_rdch => 1024,
|
||||
|
@ -251,7 +251,7 @@ END COMPONENT;
|
|||
c_wr_depth_wdch => 1024,
|
||||
c_wr_depth_wrch => 16,
|
||||
c_wr_freq => 1,
|
||||
c_wr_pntr_width => 9,
|
||||
c_wr_pntr_width => 12,
|
||||
c_wr_pntr_width_axis => 10,
|
||||
c_wr_pntr_width_rach => 4,
|
||||
c_wr_pntr_width_rdch => 10,
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
##############################################################
|
||||
#
|
||||
# Xilinx Core Generator version 14.7
|
||||
# Date: Tue Jul 25 16:17:25 2017
|
||||
# Date: Mon Jun 22 18:58:13 2020
|
||||
#
|
||||
##############################################################
|
||||
#
|
||||
|
@ -53,7 +53,7 @@ CSET clock_enable_type=Slave_Interface_Clock_Enable
|
|||
CSET clock_type_axi=Common_Clock
|
||||
CSET component_name=WatchEvents
|
||||
CSET data_count=false
|
||||
CSET data_count_width=10
|
||||
CSET data_count_width=13
|
||||
CSET disable_timing_violations=false
|
||||
CSET disable_timing_violations_axi=false
|
||||
CSET dout_reset_value=0
|
||||
|
@ -111,14 +111,14 @@ CSET fifo_implementation_wach=Common_Clock_Block_RAM
|
|||
CSET fifo_implementation_wdch=Common_Clock_Block_RAM
|
||||
CSET fifo_implementation_wrch=Common_Clock_Block_RAM
|
||||
CSET full_flags_reset_value=0
|
||||
CSET full_threshold_assert_value=511
|
||||
CSET full_threshold_assert_value=4095
|
||||
CSET full_threshold_assert_value_axis=1023
|
||||
CSET full_threshold_assert_value_rach=1023
|
||||
CSET full_threshold_assert_value_rdch=1023
|
||||
CSET full_threshold_assert_value_wach=1023
|
||||
CSET full_threshold_assert_value_wdch=1023
|
||||
CSET full_threshold_assert_value_wrch=1023
|
||||
CSET full_threshold_negate_value=510
|
||||
CSET full_threshold_negate_value=4094
|
||||
CSET id_width=4
|
||||
CSET inject_dbit_error=false
|
||||
CSET inject_dbit_error_axis=false
|
||||
|
@ -135,7 +135,7 @@ CSET inject_sbit_error_wach=false
|
|||
CSET inject_sbit_error_wdch=false
|
||||
CSET inject_sbit_error_wrch=false
|
||||
CSET input_data_width=72
|
||||
CSET input_depth=512
|
||||
CSET input_depth=4096
|
||||
CSET input_depth_axis=1024
|
||||
CSET input_depth_rach=16
|
||||
CSET input_depth_rdch=1024
|
||||
|
@ -144,7 +144,7 @@ CSET input_depth_wdch=1024
|
|||
CSET input_depth_wrch=16
|
||||
CSET interface_type=Native
|
||||
CSET output_data_width=72
|
||||
CSET output_depth=512
|
||||
CSET output_depth=4096
|
||||
CSET overflow_flag=false
|
||||
CSET overflow_flag_axi=false
|
||||
CSET overflow_sense=Active_High
|
||||
|
@ -168,7 +168,7 @@ CSET rach_type=FIFO
|
|||
CSET rdch_type=FIFO
|
||||
CSET read_clock_frequency=1
|
||||
CSET read_data_count=false
|
||||
CSET read_data_count_width=10
|
||||
CSET read_data_count_width=13
|
||||
CSET register_slice_mode_axis=Fully_Registered
|
||||
CSET register_slice_mode_rach=Fully_Registered
|
||||
CSET register_slice_mode_rdch=Fully_Registered
|
||||
|
@ -203,11 +203,11 @@ CSET write_acknowledge_flag=false
|
|||
CSET write_acknowledge_sense=Active_High
|
||||
CSET write_clock_frequency=1
|
||||
CSET write_data_count=false
|
||||
CSET write_data_count_width=10
|
||||
CSET write_data_count_width=13
|
||||
CSET wuser_width=1
|
||||
# END Parameters
|
||||
# BEGIN Extra information
|
||||
MISC pkg_timestamp=2012-11-19T12:39:56Z
|
||||
# END Extra information
|
||||
GENERATE
|
||||
# CRC: 3745e82a
|
||||
# CRC: ae9d5adb
|
||||
|
|
|
@ -30,6 +30,7 @@
|
|||
|
||||
<properties>
|
||||
<property xil_pn:name="Auto Implementation Top" xil_pn:value="false" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="Compile EDK Simulation Library" xil_pn:value="true" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="Device" xil_pn:value="xc6slx9" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="Device Family" xil_pn:value="Spartan6" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="Enable Internal Done Pipe" xil_pn:value="true" xil_pn:valueState="non-default"/>
|
||||
|
@ -51,8 +52,8 @@
|
|||
<!-- -->
|
||||
<property xil_pn:name="PROP_DesignName" xil_pn:value="WatchEvents" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="PROP_DevFamilyPMName" xil_pn:value="spartan6" xil_pn:valueState="default"/>
|
||||
<property xil_pn:name="PROP_intProjectCreationTimestamp" xil_pn:value="2017-07-25T17:19:37" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="PROP_intWbtProjectID" xil_pn:value="374CFF28879B2146EB9160793669CDAF" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="PROP_intProjectCreationTimestamp" xil_pn:value="2020-06-22T19:59:58" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="PROP_intWbtProjectID" xil_pn:value="8443B0C0597663D41E40C7503B5D1699" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="PROP_intWorkingDirLocWRTProjDir" xil_pn:value="Same" xil_pn:valueState="non-default"/>
|
||||
<property xil_pn:name="PROP_intWorkingDirUsed" xil_pn:value="No" xil_pn:valueState="non-default"/>
|
||||
</properties>
|
||||
|
|
|
@ -6,6 +6,8 @@ TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
|||
|
||||
NET "Phi0" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
#NET "VSS" LOC="P94" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
|
|
@ -6,6 +6,8 @@ TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
|||
|
||||
NET "Phi0" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
#NET "VSS" LOC="P94" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
|
|
@ -6,6 +6,8 @@ PIN "inst_dcm1/CLKFX_BUFG_INST.O" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
#NET "VSS" LOC="P94" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
NET "NMI_n" LOC="P95" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 2
|
||||
NET "IRQ_n" LOC="P98" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 3
|
||||
|
|
|
@ -6,6 +6,8 @@ NET "CLK_n" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "Addr<11>" LOC="P94" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
NET "Addr<12>" LOC="P95" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 2
|
||||
NET "Addr<13>" LOC="P98" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 3
|
||||
|
|
|
@ -6,6 +6,8 @@ TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
|||
|
||||
NET "Phi0" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
|
|
@ -6,6 +6,8 @@ TIMESPEC TS_clk_period_phi0 = PERIOD "clk_period_grp_phi0" 125ns LOW;
|
|||
|
||||
NET "Phi0" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
|
|
|
@ -6,6 +6,8 @@ PIN "inst_dcm1/CLKFX_BUFG_INST.O" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
#NET "VSS" LOC="P16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
NET "NMI_n" LOC="P15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 2
|
||||
NET "IRQ_n" LOC="P17" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 3
|
||||
|
|
|
@ -6,6 +6,8 @@ NET "CLK_n" CLOCK_DEDICATED_ROUTE = FALSE;
|
|||
|
||||
NET "clock" LOC="P50" | IOSTANDARD = LVCMOS33 | PERIOD = 20.00ns ; # 50.00 MHz Oscillator
|
||||
|
||||
NET "trig<0>" CLOCK_DEDICATED_ROUTE = FALSE;
|
||||
|
||||
NET "Addr<11>" LOC="P16" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 1
|
||||
NET "Addr<12>" LOC="P15" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 2
|
||||
NET "Addr<13>" LOC="P17" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8 ; # dip pin 3
|
||||
|
|
Loading…
Reference in New Issue
Block a user