mirror of https://github.com/aufflick/kegs.git
771 lines
18 KiB
C
771 lines
18 KiB
C
/************************************************************************/
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/* KEGS: Apple //gs Emulator */
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/* Copyright 2002 by Kent Dickey */
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/* */
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/* This code is covered by the GNU GPL */
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/* */
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/* The KEGS web page is kegs.sourceforge.net */
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/* You may contact the author at: kadickey@alumni.princeton.edu */
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/************************************************************************/
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const char rcsid_smartport_c[] = "@(#)$KmKId: smartport.c,v 1.31 2004-11-12 23:10:50-05 kentd Exp $";
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#include "defc.h"
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extern int Verbose;
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extern int Halt_on;
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extern int g_rom_version;
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extern int g_io_amt;
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extern int g_highest_smartport_unit;
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int g_cycs_in_io_read = 0;
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extern Engine_reg engine;
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extern Iwm iwm;
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#define LEN_SMPT_LOG 16
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STRUCT(Smpt_log) {
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word32 start_addr;
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int cmd;
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int rts_addr;
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int cmd_list;
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int extras;
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int unit;
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int buf;
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int blk;
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};
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Smpt_log g_smpt_log[LEN_SMPT_LOG];
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int g_smpt_log_pos = 0;
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void
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smartport_error(void)
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{
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int pos;
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int i;
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pos = g_smpt_log_pos;
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printf("Smartport log pos: %d\n", pos);
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for(i = 0; i < LEN_SMPT_LOG; i++) {
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pos--;
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if(pos < 0) {
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pos = LEN_SMPT_LOG - 1;
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}
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printf("%d:%d: t:%04x, cmd:%02x, rts:%04x, "
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"cmd_l:%04x, x:%d, unit:%d, buf:%04x, blk:%04x\n",
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i, pos,
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g_smpt_log[pos].start_addr,
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g_smpt_log[pos].cmd,
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g_smpt_log[pos].rts_addr,
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g_smpt_log[pos].cmd_list,
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g_smpt_log[pos].extras,
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g_smpt_log[pos].unit,
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g_smpt_log[pos].buf,
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g_smpt_log[pos].blk);
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}
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}
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void
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smartport_log(word32 start_addr, int cmd, int rts_addr, int cmd_list)
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{
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int pos;
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pos = g_smpt_log_pos;
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if(start_addr != 0) {
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g_smpt_log[pos].start_addr = start_addr;
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g_smpt_log[pos].cmd = cmd;
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g_smpt_log[pos].rts_addr = rts_addr;
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g_smpt_log[pos].cmd_list = cmd_list;
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g_smpt_log[pos].extras = 0;
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g_smpt_log[pos].unit = 0;
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g_smpt_log[pos].buf = 0;
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g_smpt_log[pos].blk = 0;
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} else {
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pos--;
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if(pos < 0) {
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pos = LEN_SMPT_LOG - 1;
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}
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g_smpt_log[pos].extras = 1;
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g_smpt_log[pos].unit = cmd;
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g_smpt_log[pos].buf = rts_addr;
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g_smpt_log[pos].blk = cmd_list;
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}
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pos++;
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if(pos >= LEN_SMPT_LOG) {
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pos = 0;
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}
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g_smpt_log_pos = pos;
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}
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void
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do_c70d(word32 arg0)
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{
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int cmd;
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int cmd_list_lo, cmd_list_mid, cmd_list_hi;
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int rts_lo, rts_hi;
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word32 rts_addr;
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word32 cmd_list;
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int unit;
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int param_cnt;
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int status_ptr_lo, status_ptr_mid, status_ptr_hi;
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int buf_ptr_lo, buf_ptr_hi;
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int buf_ptr;
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int block_lo, block_mid, block_hi;
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int block;
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word32 status_ptr;
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int status_code;
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int ctl_ptr_lo, ctl_ptr_hi;
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int ctl_ptr;
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int ctl_code;
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int mask;
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int stat_val;
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int size;
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int ret;
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int ext;
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int i;
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set_memory_c(0x7f8, 0xc7, 0);
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if((engine.psr & 0x100) == 0) {
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disk_printf("c70d called in native mode!\n");
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if((engine.psr & 0x30) != 0x30) {
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halt_printf("c70d called native, psr: %03x!\n",
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engine.psr);
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}
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}
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engine.stack = ((engine.stack + 1) & 0xff) + 0x100;
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rts_lo = get_memory_c(engine.stack, 0);
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engine.stack = ((engine.stack + 1) & 0xff) + 0x100;
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rts_hi = get_memory_c(engine.stack, 0);
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rts_addr = (rts_lo + (256*rts_hi) + 1) & 0xffff;
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disk_printf("rts_addr: %04x\n", rts_addr);
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cmd = get_memory_c(rts_addr, 0);
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cmd_list_lo = get_memory_c((rts_addr + 1) & 0xffff, 0);
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cmd_list_mid = get_memory_c((rts_addr + 2) & 0xffff, 0);
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cmd_list_hi = 0;
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mask = 0xffff;
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if(cmd & 0x40) {
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/* extended */
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mask = 0xffffff;
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cmd_list_hi = get_memory_c((rts_addr + 3) & 0xffff, 0);
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}
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cmd_list = cmd_list_lo + (256*cmd_list_mid) + (65536*cmd_list_hi);
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disk_printf("cmd: %02x, cmd_list: %06x\n", cmd, cmd_list);
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param_cnt = get_memory_c(cmd_list, 0);
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ext = 0;
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if(cmd & 0x40) {
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ext = 2;
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}
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smartport_log(0xc70d, cmd, rts_addr, cmd_list);
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switch(cmd & 0x3f) {
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case 0x00: /* Status == 0x00 and 0x40 */
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if(param_cnt != 3) {
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disk_printf("param_cnt %d is != 3!\n", param_cnt);
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exit(8);
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}
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unit = get_memory_c((cmd_list+1) & mask, 0);
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status_ptr_lo = get_memory_c((cmd_list+2) & mask, 0);
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status_ptr_mid = get_memory_c((cmd_list+3) & mask, 0);
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status_ptr_hi = 0;
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if(cmd & 0x40) {
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status_ptr_hi = get_memory_c((cmd_list+4) & mask, 0);
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}
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status_ptr = status_ptr_lo + (256*status_ptr_mid) +
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(65536*status_ptr_hi);
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if(cmd & 0x40) {
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status_code = get_memory_c((cmd_list+6) & mask, 0);
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} else {
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status_code = get_memory_c((cmd_list+4) & mask, 0);
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}
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smartport_log(0, unit, status_ptr, status_code);
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disk_printf("unit: %02x, status_ptr: %06x, code: %02x\n",
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unit, status_ptr, status_code);
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if(unit == 0 && status_code == 0) {
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/* Smartport driver status */
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/* see technotes/smpt/tn-smpt-002 */
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set_memory_c(status_ptr, g_highest_smartport_unit+1, 0);
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set_memory_c(status_ptr+1, 0xff, 0); /* interrupt stat*/
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set_memory16_c(status_ptr+2, 0x0002, 0); /* vendor id */
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set_memory16_c(status_ptr+4, 0x1000, 0); /* version */
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set_memory16_c(status_ptr+6, 0x0000, 0);
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engine.xreg = 8;
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engine.yreg = 0;
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engine.acc &= 0xff00;
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engine.psr &= ~1;
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engine.kpc = (rts_addr + 3 + ext) & mask;
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return;
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} else if(unit > 0 && status_code == 0) {
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/* status for unit x */
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if(unit > MAX_C7_DISKS || iwm.smartport[unit-1].fd < 0){
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stat_val = 0x80;
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size = 0;
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} else {
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stat_val = 0xf8;
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size = iwm.smartport[unit-1].image_size;
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size = (size+511) / 512;
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}
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set_memory_c(status_ptr, stat_val, 0);
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set_memory24_c(status_ptr +1, size, 0);
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engine.xreg = 4;
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if(cmd & 0x40) {
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set_memory_c(status_ptr + 4,
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(size >> 16) & 0xff, 0);
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engine.xreg = 5;
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}
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engine.yreg = 0;
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engine.acc &= 0xff00;
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engine.psr &= ~1;
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engine.kpc = (rts_addr + 3 + ext) & mask;
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disk_printf("just finished unit %d, stat 0\n", unit);
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return;
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} else if(status_code == 3) {
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if(unit > MAX_C7_DISKS || iwm.smartport[unit-1].fd < 0){
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stat_val = 0x80;
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size = 0;
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} else {
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stat_val = 0xf8;
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size = iwm.smartport[unit-1].image_size;
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size = (size+511) / 512;
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}
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if(cmd & 0x40) {
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disk_printf("extended for stat_code 3!\n");
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}
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/* DIB for unit 1 */
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set_memory_c(status_ptr, stat_val, 0);
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set_memory24_c(status_ptr +1, size, 0);
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if(cmd & 0x40) {
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set_memory_c(status_ptr + 4,
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(size >> 24) & 0xff, 0);
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status_ptr++;
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}
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set_memory_c(status_ptr +4, 4, 0);
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for(i = 5; i < 21; i++) {
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set_memory_c(status_ptr +i, 0x20, 0);
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}
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set_memory_c(status_ptr +5, 'K', 0);
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set_memory_c(status_ptr +6, 'E', 0);
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set_memory_c(status_ptr +7, 'G', 0);
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set_memory_c(status_ptr +8, 'S', 0);
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/* hard disk supporting extended calls */
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set_memory16_c(status_ptr + 21, 0xa002, 0);
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set_memory16_c(status_ptr + 23, 0x0000, 0);
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if(cmd & 0x40) {
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engine.xreg = 26;
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} else {
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engine.xreg = 25;
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}
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engine.yreg = 0;
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engine.acc &= 0xff00;
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engine.psr &= ~1;
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engine.kpc = (rts_addr + 3 + ext) & 0xffff;
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disk_printf("Just finished unit %d, stat 3\n", unit);
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if(unit == 0 || unit > MAX_C7_DISKS) {
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engine.acc |= 0x28;
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engine.psr |= 1;
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}
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return;
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}
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printf("cmd: 00, unknown unit/status code!\n");
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break;
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case 0x01: /* Read Block == 0x01 and 0x41 */
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if(param_cnt != 3) {
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halt_printf("param_cnt %d is != 3!\n", param_cnt);
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return;
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}
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unit = get_memory_c((cmd_list+1) & mask, 0);
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buf_ptr_lo = get_memory_c((cmd_list+2) & mask, 0);
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buf_ptr_hi = get_memory_c((cmd_list+3) & mask, 0);
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buf_ptr = buf_ptr_lo + (256*buf_ptr_hi);
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if(cmd & 0x40) {
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buf_ptr_lo = get_memory_c((cmd_list+4) & mask, 0);
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buf_ptr_hi = get_memory_c((cmd_list+5) & mask, 0);
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buf_ptr += ((buf_ptr_hi*256) + buf_ptr_lo)*65536;
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cmd_list += 2;
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}
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block_lo = get_memory_c((cmd_list+4) & mask, 0);
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block_mid = get_memory_c((cmd_list+5) & mask, 0);
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block_hi = get_memory_c((cmd_list+6) & mask, 0);
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block = ((block_hi*256) + block_mid)*256 + block_lo;
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disk_printf("smartport read unit %d of block %04x into %04x\n",
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unit, block, buf_ptr);
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if(unit < 1 || unit > MAX_C7_DISKS) {
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halt_printf("Unknown unit #: %d\n", unit);
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}
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smartport_log(0, unit - 1, buf_ptr, block);
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ret = do_read_c7(unit - 1, buf_ptr, block);
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engine.xreg = 0;
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engine.yreg = 2;
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engine.acc = (engine.acc & 0xff00) | (ret & 0xff);
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engine.psr &= ~1;
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if(ret != 0) {
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engine.psr |= 1;
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}
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engine.kpc = (rts_addr + 3 + ext) & 0xffff;
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return;
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break;
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case 0x02: /* Write Block == 0x02 and 0x42 */
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if(param_cnt != 3) {
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halt_printf("param_cnt %d is != 3!\n", param_cnt);
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return;
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}
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unit = get_memory_c((cmd_list+1) & mask, 0);
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buf_ptr_lo = get_memory_c((cmd_list+2) & mask, 0);
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buf_ptr_hi = get_memory_c((cmd_list+3) & mask, 0);
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buf_ptr = buf_ptr_lo + (256*buf_ptr_hi);
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if(cmd & 0x40) {
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buf_ptr_lo = get_memory_c((cmd_list+4) & mask, 0);
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buf_ptr_hi = get_memory_c((cmd_list+5) & mask, 0);
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buf_ptr += ((buf_ptr_hi*256) + buf_ptr_lo)*65536;
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cmd_list += 2;
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}
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block_lo = get_memory_c((cmd_list+4) & mask, 0);
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block_mid = get_memory_c((cmd_list+5) & mask, 0);
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block_hi = get_memory_c((cmd_list+6) & mask, 0);
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block = ((block_hi*256) + block_mid)*256 + block_lo;
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disk_printf("smartport write unit %d of block %04x from %04x\n",
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unit, block, buf_ptr);
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if(unit < 1 || unit > MAX_C7_DISKS) {
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halt_printf("Unknown unit #: %d\n", unit);
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}
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smartport_log(0, unit - 1, buf_ptr, block);
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ret = do_write_c7(unit - 1, buf_ptr, block);
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engine.xreg = 0;
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engine.yreg = 2;
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engine.acc = (engine.acc & 0xff00) | (ret & 0xff);
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engine.psr &= ~1;
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if(ret != 0) {
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engine.psr |= 1;
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}
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engine.kpc = (rts_addr + 3 + ext) & 0xffff;
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HALT_ON(HALT_ON_C70D_WRITES, "c70d Write done\n");
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return;
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break;
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case 0x03: /* Format == 0x03 and 0x43 */
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if(param_cnt != 1) {
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halt_printf("param_cnt %d is != 1!\n", param_cnt);
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return;
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}
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unit = get_memory_c((cmd_list+1) & mask, 0);
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if(unit < 1 || unit > MAX_C7_DISKS) {
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halt_printf("Unknown unit #: %d\n", unit);
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}
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smartport_log(0, unit - 1, 0, 0);
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ret = do_format_c7(unit - 1);
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engine.xreg = 0;
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engine.yreg = 2;
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engine.acc = (engine.acc & 0xff00) | (ret & 0xff);
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engine.psr &= ~1;
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if(ret != 0) {
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engine.psr |= 1;
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}
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engine.kpc = (rts_addr + 3 + ext) & 0xffff;
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HALT_ON(HALT_ON_C70D_WRITES, "c70d Format done\n");
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return;
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break;
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case 0x04: /* Control == 0x04 and 0x44 */
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if(cmd == 0x44) {
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halt_printf("smartport code 0x44 not supported\n");
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}
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if(param_cnt != 3) {
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halt_printf("param_cnt %d is != 3!\n", param_cnt);
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return;
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}
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unit = get_memory_c((cmd_list+1) & mask, 0);
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ctl_ptr_lo = get_memory_c((cmd_list+2) & mask, 0);
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ctl_ptr_hi = get_memory_c((cmd_list+3) & mask, 0);
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ctl_ptr = (ctl_ptr_hi << 8) + ctl_ptr_lo;
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if(cmd & 0x40) {
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ctl_ptr_lo = get_memory_c((cmd_list+4) & mask, 0);
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ctl_ptr_hi = get_memory_c((cmd_list+5) & mask, 0);
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ctl_ptr += ((ctl_ptr_hi << 8) + ctl_ptr_lo) << 16;
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cmd_list += 2;
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}
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ctl_code = get_memory_c((cmd_list +4) & mask, 0);
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switch(ctl_code) {
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case 0x00:
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printf("Performing a reset on unit %d\n", unit);
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break;
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default:
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halt_printf("control code: %02x unknown!\n", ctl_code);
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}
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engine.xreg = 0;
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engine.yreg = 2;
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engine.acc &= 0xff00;
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engine.psr &= ~1;
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engine.kpc = (rts_addr + 3 + ext) & 0xffff;
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return;
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break;
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default: /* Unknown command! */
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/* set acc = 1, and set carry, and set kpc */
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engine.xreg = (rts_addr) & 0xff;
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engine.yreg = (rts_addr >> 8) & 0xff;
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engine.acc = (engine.acc & 0xff00) + 0x01;
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engine.psr |= 0x01; /* set carry */
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engine.kpc = (rts_addr + 3 + ext) & 0xffff;
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if(cmd != 0x4a && cmd != 0x48) {
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/* Finder does 0x4a call before formatting disk */
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/* Many things do 0x48 call to see online drives */
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halt_printf("Just did smtport cmd:%02x rts_addr:%04x, "
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"cmdlst:%06x\n", cmd, rts_addr, cmd_list);
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}
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return;
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}
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halt_printf("Unknown smtport cmd:%02x, cmd_list:%06x, rts_addr:%06x\n",
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cmd, cmd_list, rts_addr);
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}
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void
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do_c70a(word32 arg0)
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{
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int cmd, unit;
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int buf_lo, buf_hi;
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int blk_lo, blk_hi;
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int blk, buf;
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int prodos_unit;
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int size;
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int ret;
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set_memory_c(0x7f8, 0xc7, 0);
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cmd = get_memory_c((engine.direct + 0x42) & 0xffff, 0);
|
|
prodos_unit = get_memory_c((engine.direct + 0x43) & 0xffff, 0);
|
|
buf_lo = get_memory_c((engine.direct + 0x44) & 0xffff, 0);
|
|
buf_hi = get_memory_c((engine.direct + 0x45) & 0xffff, 0);
|
|
blk_lo = get_memory_c((engine.direct + 0x46) & 0xffff, 0);
|
|
blk_hi = get_memory_c((engine.direct + 0x47) & 0xffff, 0);
|
|
|
|
blk = (blk_hi << 8) + blk_lo;
|
|
buf = (buf_hi << 8) + buf_lo;
|
|
disk_printf("cmd: %02x, pro_unit: %02x, buf: %04x, blk: %04x\n",
|
|
cmd, prodos_unit, buf, blk);
|
|
|
|
if((prodos_unit & 0x7f) == 0x70) {
|
|
unit = 0 + (prodos_unit >> 7);
|
|
} else if((prodos_unit & 0x7f) == 0x40) {
|
|
unit = 2 + (prodos_unit >> 7);
|
|
} else {
|
|
halt_printf("Unknown prodos_unit: %d\n", prodos_unit);
|
|
return;
|
|
}
|
|
|
|
smartport_log(0xc70a, cmd, blk, buf);
|
|
|
|
engine.psr &= ~1; /* clear carry */
|
|
if(g_rom_version >= 3) {
|
|
engine.kpc = 0xc764;
|
|
} else {
|
|
engine.kpc = 0xc765;
|
|
}
|
|
|
|
ret = 0x27; /* I/O error */
|
|
if(cmd == 0x00) {
|
|
size = iwm.smartport[unit].image_size;
|
|
size = (size+511) / 512;
|
|
|
|
smartport_log(0, unit, size, 0);
|
|
|
|
ret = 0;
|
|
engine.xreg = size & 0xff;
|
|
engine.yreg = size >> 8;
|
|
} else if(cmd == 0x01) {
|
|
smartport_log(0, unit, buf, blk);
|
|
ret = do_read_c7(unit, buf, blk);
|
|
} else if(cmd == 0x02) {
|
|
smartport_log(0, unit, buf, blk);
|
|
ret = do_write_c7(unit, buf, blk);
|
|
} else if(cmd == 0x03) { /* format */
|
|
smartport_log(0, unit, buf, blk);
|
|
ret = do_format_c7(unit);
|
|
}
|
|
|
|
engine.acc = (engine.acc & 0xff00) | (ret & 0xff);
|
|
if(ret != 0) {
|
|
engine.psr |= 1;
|
|
}
|
|
return;
|
|
}
|
|
|
|
int
|
|
do_read_c7(int unit_num, word32 buf, int blk)
|
|
{
|
|
byte local_buf[0x200];
|
|
register word32 start_time;
|
|
register word32 end_time;
|
|
word32 val;
|
|
int len;
|
|
int fd;
|
|
int image_start;
|
|
int image_size;
|
|
int ret;
|
|
int i;
|
|
|
|
if(unit_num < 0 || unit_num > MAX_C7_DISKS) {
|
|
halt_printf("do_read_c7: unit_num: %d\n", unit_num);
|
|
smartport_error();
|
|
return 0x28;
|
|
}
|
|
|
|
fd = iwm.smartport[unit_num].fd;
|
|
image_start = iwm.smartport[unit_num].image_start;
|
|
image_size = iwm.smartport[unit_num].image_size;
|
|
if(fd < 0) {
|
|
printf("c7_fd == %d!\n", fd);
|
|
#if 0
|
|
if(blk != 2 && blk != 0) {
|
|
/* don't print error if only reading directory */
|
|
smartport_error();
|
|
halt_printf("Read unit:%02x blk:%04x\n", unit_num, blk);
|
|
}
|
|
#endif
|
|
return 0x2f;
|
|
}
|
|
|
|
ret = lseek(fd, image_start + blk*0x200, SEEK_SET);
|
|
if(ret != image_start + blk*0x200) {
|
|
halt_printf("lseek returned %08x, errno: %d\n", ret, errno);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
if(ret >= image_start + image_size) {
|
|
halt_printf("Tried to read from pos %08x on disk, (blk:%04x)\n",
|
|
ret, blk);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
len = read(fd, &local_buf[0], 0x200);
|
|
if(len != 0x200) {
|
|
printf("read returned %08x, errno:%d, blk:%04x, unit: %02x\n",
|
|
len, errno, blk, unit_num);
|
|
halt_printf("name: %s\n", iwm.smartport[unit_num].name_ptr);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
g_io_amt += 0x200;
|
|
|
|
if(buf >= 0xfc0000) {
|
|
disk_printf("reading into ROM, just returning\n");
|
|
return 0;
|
|
}
|
|
|
|
GET_ITIMER(start_time);
|
|
|
|
for(i = 0; i < 0x200; i += 2) {
|
|
val = (local_buf[i+1] << 8) + local_buf[i];
|
|
set_memory16_c(buf + i, val, 0);
|
|
}
|
|
|
|
GET_ITIMER(end_time);
|
|
|
|
g_cycs_in_io_read += (end_time - start_time);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
int
|
|
do_write_c7(int unit_num, word32 buf, int blk)
|
|
{
|
|
word32 local_buf[0x200/4];
|
|
Disk *dsk;
|
|
word32 *ptr;
|
|
word32 val1, val2;
|
|
word32 val;
|
|
int len;
|
|
int ret;
|
|
int fd;
|
|
int image_start;
|
|
int image_size;
|
|
int i;
|
|
|
|
if(unit_num < 0 || unit_num > MAX_C7_DISKS) {
|
|
halt_printf("do_write_c7: unit_num: %d\n", unit_num);
|
|
smartport_error();
|
|
return 0x28;
|
|
}
|
|
|
|
dsk = &(iwm.smartport[unit_num]);
|
|
fd = dsk->fd;
|
|
image_start = dsk->image_start;
|
|
image_size = dsk->image_size;
|
|
if(fd < 0) {
|
|
halt_printf("c7_fd == %d!\n", fd);
|
|
smartport_error();
|
|
return 0x28;
|
|
}
|
|
|
|
ptr = &(local_buf[0]);
|
|
for(i = 0; i < 0x200; i += 4) {
|
|
val1 = get_memory16_c(buf + i, 0);
|
|
val2 = get_memory16_c(buf + i + 2, 0);
|
|
/* reorder the little-endian bytes to be big-endian */
|
|
#ifdef KEGS_LITTLE_ENDIAN
|
|
val = (val2 << 16) + val1;
|
|
#else
|
|
val = (val1 << 24) + ((val1 << 8) & 0xff0000) +
|
|
((val2 << 8) & 0xff00) + (val2 >> 8);
|
|
#endif
|
|
*ptr++ = val;
|
|
}
|
|
|
|
ret = lseek(fd, image_start + blk*0x200, SEEK_SET);
|
|
if(ret != image_start + blk*0x200) {
|
|
halt_printf("lseek returned %08x, errno: %d\n", ret, errno);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
if(ret >= image_start + image_size) {
|
|
halt_printf("Tried to write to %08x\n", ret);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
if(dsk->write_prot) {
|
|
printf("Write, but %s is write protected!\n", dsk->name_ptr);
|
|
return 0x2b;
|
|
}
|
|
|
|
if(dsk->write_through_to_unix == 0) {
|
|
halt_printf("Write to %s, but not wr_thru!\n", dsk->name_ptr);
|
|
return 0x00;
|
|
}
|
|
|
|
len = write(fd, (byte *)&local_buf[0], 0x200);
|
|
if(len != 0x200) {
|
|
halt_printf("write ret %08x bytes, errno: %d\n", len, errno);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
g_io_amt += 0x200;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
int
|
|
do_format_c7(int unit_num)
|
|
{
|
|
byte local_buf[0x1000];
|
|
Disk *dsk;
|
|
int len;
|
|
int ret;
|
|
int sum;
|
|
int total;
|
|
int max;
|
|
int image_start;
|
|
int image_size;
|
|
int fd;
|
|
int i;
|
|
|
|
if(unit_num < 0 || unit_num > MAX_C7_DISKS) {
|
|
halt_printf("do_format_c7: unit_num: %d\n", unit_num);
|
|
smartport_error();
|
|
return 0x28;
|
|
}
|
|
|
|
dsk = &(iwm.smartport[unit_num]);
|
|
fd = dsk->fd;
|
|
image_start = dsk->image_start;
|
|
image_size = dsk->image_size;
|
|
if(fd < 0) {
|
|
halt_printf("c7_fd == %d!\n", fd);
|
|
smartport_error();
|
|
return 0x28;
|
|
}
|
|
|
|
for(i = 0; i < 0x1000; i++) {
|
|
local_buf[i] = 0;
|
|
}
|
|
|
|
ret = lseek(fd, image_start, SEEK_SET);
|
|
if(ret != image_start) {
|
|
halt_printf("lseek returned %08x, errno: %d\n", ret, errno);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
|
|
if(dsk->write_prot) {
|
|
printf("Format, but %s is write protected!\n", dsk->name_ptr);
|
|
return 0x2b;
|
|
}
|
|
|
|
if(dsk->write_through_to_unix == 0) {
|
|
printf("Format of %s ignored\n", dsk->name_ptr);
|
|
return 0x00;
|
|
}
|
|
|
|
sum = 0;
|
|
total = image_size;
|
|
|
|
while(sum < total) {
|
|
max = MIN(0x1000, total-sum);
|
|
len = write(fd, &local_buf[0], max);
|
|
if(len != max) {
|
|
halt_printf("write ret %08x, errno:%d\n", len, errno);
|
|
smartport_error();
|
|
return 0x27;
|
|
}
|
|
sum += len;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
do_c700(word32 ret)
|
|
{
|
|
disk_printf("do_c700 called, ret: %08x\n", ret);
|
|
|
|
ret = do_read_c7(0, 0x800, 0);
|
|
|
|
set_memory_c(0x7f8, 7, 0);
|
|
set_memory16_c(0x42, 0x7001, 0);
|
|
set_memory16_c(0x44, 0x0800, 0);
|
|
set_memory16_c(0x46, 0x0000, 0);
|
|
engine.xreg = 0x70;
|
|
engine.kpc = 0x801;
|
|
|
|
if(ret != 0) {
|
|
printf("Failure reading boot disk in s7d1!\n");
|
|
engine.kpc = 0xff59; /* Jump to monitor, fix $36-$39 */
|
|
}
|
|
}
|
|
|