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Hook up Bidirectional LPT, EPP, and ECP to all Super I/O chips (missing is vendor-specific Configuration Register B behavior but that's next on my list), fixed Super I/O chip mistakes for a number of machines, split 286/386SX/M6117D machines into three separate files and reordered them as well.

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This commit is contained in:
OBattler
2025-08-11 16:36:30 +02:00
parent 42fa1dbe54
commit dbd748636e
51 changed files with 5062 additions and 4463 deletions
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9
src/include/86box/lpt.h
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@@ -53,6 +53,7 @@ typedef struct lpt_t {
uint8_t epp;
uint8_t ecp;
uint8_t ecr;
uint8_t ret_ecr;
uint8_t in_dat;
uint8_t fifo_stat;
uint8_t dma_stat;
@@ -61,8 +62,11 @@ typedef struct lpt_t {
uint8_t strobe;
uint8_t lv2;
uint8_t cnfga_readout;
uint8_t cfg_regs_enabled;
uint8_t inst;
uint8_t pad[5];
uint8_t eir;
uint8_t pad[2];
uint8_t ext_regs[8];
uint16_t addr;
uint16_t id;
uint16_t pad0[2];
@@ -101,6 +105,8 @@ extern uint8_t lpt_read(uint16_t port, void *priv);
extern uint8_t lpt_read_port(lpt_t *dev, uint16_t reg);
extern uint8_t lpt_read_status(lpt_t *dev);
extern uint8_t lpt_read_ecp_mode(lpt_t *dev);
extern void lpt_irq(void *priv, int raise);
extern int lpt_device_get_from_internal_name(const char *str);
@@ -125,6 +131,7 @@ extern void lpt_set_ext(lpt_t *dev, uint8_t ext);
extern void lpt_set_ecp(lpt_t *dev, uint8_t ecp);
extern void lpt_set_epp(lpt_t *dev, uint8_t epp);
extern void lpt_set_lv2(lpt_t *dev, uint8_t lv2);
extern void lpt_set_cfg_regs_enabled(lpt_t *dev, uint8_t cfg_regs_enabled);
extern void lpt_set_fifo_threshold(lpt_t *dev, int threshold);
extern void lpt_set_cnfga_readout(lpt_t *dev, const uint8_t cnfga_readout);
extern void lpt_port_setup(lpt_t *dev, uint16_t port);