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This commit is contained in:
Radosław Kujawa 2018-04-10 12:17:59 +02:00
parent 95368a186a
commit faec05b87e
2 changed files with 32 additions and 45 deletions
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45
src/rk65c02.c
View File

@ -18,12 +18,6 @@
void rk65c02_exec(rk65c02emu_t *);
/**
* \brief Prep the emulator, load code from file, pass bus config optionally.
* \param path Path to ROM file to be loaded.
* \param load_addr Address on the bus where ROM should be loaded.
* \param b Pre-existing bus configuration, pass NULL if default requested.
*/
rk65c02emu_t
rk65c02_load_rom(const char *path, uint16_t load_addr, bus_t *b)
{
@ -42,9 +36,6 @@ rk65c02_load_rom(const char *path, uint16_t load_addr, bus_t *b)
return e;
}
/*
* Prepare the emulator for use, set initial CPU state.
*/
rk65c02emu_t
rk65c02_init(bus_t *b)
{
@ -69,9 +60,6 @@ rk65c02_init(bus_t *b)
return e;
}
/*
* Assert the IRQ line.
*/
void
rk65c02_assert_irq(rk65c02emu_t *e)
{
@ -87,9 +75,6 @@ rk65c02_assert_irq(rk65c02emu_t *e)
rk65c02_start(e);
}
/*
* Respond to interrupt and start the interrupt service routine.
*/
void
rk65c02_irq(rk65c02emu_t *e)
{
@ -163,9 +148,6 @@ rk65c02_exec(rk65c02emu_t *e)
}
/*
* Start the emulator.
*/
void
rk65c02_start(rk65c02emu_t *e) {
@ -177,9 +159,6 @@ rk65c02_start(rk65c02emu_t *e) {
}
}
/*
* Execute as many instructions as specified in steps argument.
*/
void
rk65c02_step(rk65c02emu_t *e, uint16_t steps) {
@ -273,27 +252,3 @@ rk65c02_panic(rk65c02emu_t *e, const char* fmt, ...)
/* TODO: run some UI callback. */
}
/*
int
main(void)
{
bus_t b;
b = bus_init();
bus_write_1(&b, 0, OP_INX);
bus_write_1(&b, 1, OP_NOP);
bus_write_1(&b, 2, OP_LDY_IMM);
bus_write_1(&b, 3, 0x1);
bus_write_1(&b, 4, OP_TSB_ZP);
bus_write_1(&b, 5, 0x3);
bus_write_1(&b, 6, OP_JSR);
bus_write_1(&b, 7, 0x09);
bus_write_1(&b, 8, 0x0);
bus_write_1(&b, 9, OP_STP);
rk65c02_start(&b, 0);
bus_finish(&b);
}
*/

32
src/rk65c02.h
View File

@ -1,3 +1,6 @@
/** @file rk65c02.h
* @brief Public functions for managing rk65c02 emulator.
*/
#ifndef _RK6502_H_
#define _RK6502_H_
@ -76,14 +79,43 @@ struct rk65c02emu {
typedef struct rk65c02emu rk65c02emu_t;
/**
* @brief Initialize the new emulator instance. Set initial CPU state.
*/
rk65c02emu_t rk65c02_init(bus_t *);
/**
* @brief Start the emulator.
*/
void rk65c02_start(rk65c02emu_t *);
/**
* @brief Execute as many instructions as specified in steps argument.
*/
void rk65c02_step(rk65c02emu_t *, uint16_t);
char *rk65c02_regs_string_get(reg_state_t);
void rk65c02_dump_regs(reg_state_t);
void rk65c02_dump_stack(rk65c02emu_t *, uint8_t);
/*
* @brief Assert the IRQ line.
*/
void rk65c02_assert_irq(rk65c02emu_t *);
/**
* @brief Respond to interrupt and start the interrupt service routine.
*/
void rk65c02_irq(rk65c02emu_t *);
void rk65c02_panic(rk65c02emu_t *, const char*, ...);
/**
* @brief Prep the emulator, load code from file, pass bus config optionally.
* @param path Path to ROM file to be loaded.
* @param load_addr Address on the bus where ROM should be loaded.
* @param b Pre-existing bus configuration, pass NULL if default requested.
* @return New instance of the emulator prepared to run the ROM.
*/
rk65c02emu_t rk65c02_load_rom(const char *, uint16_t, bus_t *);
#endif