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# Find That Mine!
A MineSweeper clon game for CP/M
VT100 color version by Anna Christina Naß <acn@acn.wtf>
Based on v2.0 - 07 April 2020.
Copyright (c) 2012-2020 Miguel Garcia / FloppySoftware, Spain.
The original repository can be found here:
https://github.com/MiguelVis/ftm
## Introduction
This is a clone (yes, one more!) of MineSweeper for CP/M with supported CRTs,
derived from the plain CP/M version (and itself from the Amstrad PCW
& Samaruc GUI version).
It should run in any version of the CP/M operating system and a Z80 CPU.
This version is patched to work with a VT100 terminal only and it uses
color ANSI codes.
## The game
The aim of the game is to find all the mines on the board, putting a flag on
them and uncovering the other squares.
If you uncover a mine, you lose the game.
There are three different levels:
* Level 1 : 08 x 08 squares, 08 mines
* Level 2 : 08 x 12 squares, 12 mines
* Level 3 : 08 x 16 squares, 16 mines
## How to play
In the board, a number on a square means the quantity of mines around it.
To uncover a square, you must enter a command telling its position as row and column - ie:
```
1C
```
To put or remove a flag on a square, you must append a F character to the command - ie:
```
3DF
```
## Technical notes
To compile, use MESCC, "Mike's Enhanced Small C Compiler".
All files neccessary (and only these) to compile the game are included.
The complete package of MESCC can be found in its repository:
See: https://github.com/MiguelVis/mescc
Compile it using:
CC FTM
CCOPT FTM
ZSM FTM
HEXTOCOM FTM
## License
This software is copyright of Miguel Garcia / FloppySoftware, Spain. All rights
reserved.
This program is freeware, and it's licensed under the GNU General Public License.
See the license file for more details.

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/* FIND THAT MINE!
A MineSweeper clone for CRTs and CP/M.
Derived from the plain CP/M version.
Copyright (c) 2012-2020 Miguel Garcia / FloppySoftware, Spain.
VT100 color version by Anna Christina Naß <acn@acn.wtf>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
To compile with MESCC:
cc ftm
ccopt ftm
zsm ftm
hextocom ftm
Notes:
LEVELS: 1 2 3 NOTES
ROWS: 8 8 8
COLS: 8 12 16
SQUARES: 64 96 128 ROWS * COLS
MINES: 8 12 16 SQUARES / 8 (1 MINES EACH 8 SQUARES)
*/
/* Do you want debug tools?
*/
#define DEBUG_MINES 0
/* MESCC libraries
*/
#include <mescc.h>
#include <conio.h>
#include <ctype.h>
#include <sprintf.h>
/* KS library
*/
#include "ks.h"
/* DEFs for BOARD
*/
#define MAX_ROWS 8 /* Max. number of rows */
#define MAX_COLS 16 /* Max. number of columns */
#define MAX_SQ 128 /* Max. number of squares (MAX_ROWS * MAX_COLS) */
#define MAX_BUF 512 /* MAX_SQ * 4 */
/* DEFs for SPRITES
*/
#define SPR_MINE '*' /* Mine */
#define SPR_FLAG 'P' /* Flag */
#define SPR_UNK '?' /* Unknown */
#define SPR_ERR 'X' /* Flag error */
#define SPR_BLANK ' ' /* Blank */
/* Global variables
*/
int brd_rows, /* Board size in rows */
brd_cols; /* Board size in columns */
WORD mines_row[MAX_ROWS], /* Map for mines */
visib_row[MAX_ROWS], /* Map for visible squares */
flags_row[MAX_ROWS], /* Map for squares with flag */
count_row[MAX_ROWS]; /* Map for counters */
BYTE sq_buf[MAX_BUF]; /* Buffer to hold the above maps */
int row_off[8], /* Array to help in calculation */
col_off[8]; /* of adjacent squares */
int gameover, /* NZ if game is over */
dead, /* NZ if player is dead */
level, /* Current level */
viscnt, /* Number of visible squares in board */
flgcnt, /* Number of flags in board */
squares, /* Number of squares in board */
mines, /* Number of mines in board */
random; /* Random number */
/* Code starts here
*/
main(argc, argv)
int argc, argv[]; /* char *argv[] - unsupported by MESCC */
{
int i;
int tty_n;
int *tty_s; /* char *[] */
/* Init KS
*/
KsHello(0);
/* Setup
*/
Setup();
/* Play game
*/
Play();
/* The end
*/
PrStr("\n\n\tBye, bye!\n\n\n");
}
/* Setup program
*/
Setup()
{
int i; BYTE *p;
/* Build array to help in calculation of adjacent squares
*/
row_off[0]=-1; col_off[0]= 0; /* Up */
row_off[1]=-1; col_off[1]=+1; /* Upper Right */
row_off[2]= 0; col_off[2]=+1; /* Right */
row_off[3]=+1; col_off[3]=+1; /* Lower Right */
row_off[4]=+1; col_off[4]= 0; /* Down */
row_off[5]=+1; col_off[5]=-1; /* Lower Left */
row_off[6]= 0; col_off[6]=-1; /* Left */
row_off[7]=-1; col_off[7]=-1; /* Upper Left */
/* Setup maps
*/
p = sq_buf;
for(i = 0; i < MAX_ROWS; ++i)
{
mines_row[i]=p; p+=MAX_COLS;
visib_row[i]=p; p+=MAX_COLS;
flags_row[i]=p; p+=MAX_COLS;
count_row[i]=p; p+=MAX_COLS;
}
/* Other
*/
random = 0;
}
/* Show copyright, etc.
*/
Copyright()
{
int r;
char str[80];
KsClear();
sprintf(str, "%sFind %sThat %sMine%s!%s\n", FGBRED, FGBCYN, FGBBLU, FGBYEL, RESET);
KsPosCursor(r = 0, 32);
KsPutStr(str);
//KsCenterStr(r = 0, "Find That Mine!\n");
KsCenterStr(++r , "v2.0 for CP/M & Z80\n\n");
++r;
KsCenterStr(++r ,"A minesweeper type game.\n");
++r;
KsCenterStr(++r ,"(c) 2012-2020 Miguel Garcia / Floppy Software, Spain.\n");
KsCenterStr(++r ,"www.floppysoftware.es\n");
KsCenterStr(++r ,"VT100 color version by acn@acn.wtf\n\n");
}
/* Select and play a level
*/
Play()
{
int run; char buf[2];
run = 1;
while(run)
{
Copyright();
PrStr("\t1 > Level 1 : 08 x 08 squares, 08 mines\n");
PrStr("\t2 > Level 2 : 08 x 12 squares, 12 mines\n");
PrStr("\t3 > Level 3 : 08 x 16 squares, 16 mines\n");
PrStr("\tQ > Quit game\n\n");
PrStr("\t? ");
ReadLine(buf, 1);
switch(*buf)
{
case '1' : SetLevel(1); RunLevel(); break;
case '2' : SetLevel(2); RunLevel(); break;
case '3' : SetLevel(3); RunLevel(); break;
case 'Q' : run = 0; break;
default : break;
}
}
}
/* Setup level
*/
SetLevel(lev)
int lev;
{
/* I'm thinking...
*/
PrStr("\n\n\tI'm thinking... ");
/* Setup level values
*/
level = lev; brd_rows = 8;
switch(level)
{
case 1 : brd_cols = 8; break;
case 2 : brd_cols = 12; break;
case 3 : brd_cols = 16; break;
}
squares = brd_rows * brd_cols;
mines = squares / 8;
gameover = dead = viscnt = flgcnt = 0;
/* Setup board
*/
ClrBoard();
/* Setup counters
*/
ClrCounts();
}
/* Play level
*/
RunLevel()
{
int row, col; char buf[4];
for(;;)
{
ShowBoard();
if(gameover) {
PrStr("\tRETURN > Quit level\n\n\t? ");
ReadLine(buf, 0);
break;
}
PrStr("\trc > Select (ie 0B)\n");
PrStr("\trcF > Set/remove flag (ie: 3DF)\n");
PrStr("\tQ > Quit level\n\n");
PrStr("\t? ");
ReadLine(buf, 3);
if(buf[0] >= '0' && buf[0] < '0' + brd_cols)
{
row = buf[0] - '0';
if(buf[1] >= 'A' && buf[1] < 'A' + brd_cols)
{
col = buf[1] - 'A';
if(!buf[2])
Choice(row, col);
else if(buf[2] == 'F' && !buf[3])
ChoiceFlag(row, col);
}
}
else if(buf[0] == 'Q' && !buf[1])
gameover = 1;
}
}
/* Test if player has win the game
*/
TestIfWin()
{
if(flgcnt == mines && flgcnt + viscnt == squares)
gameover = 1;
}
/* Set or remove a flag in a square
*/
ChoiceFlag(row, col)
int row, col;
{
if(!TstVis(row, col))
{
if(TstFlag(row, col))
{
SetFlag(row, col, 0); --flgcnt;
}
else
{
SetFlag(row, col, 1); ++flgcnt;
TestIfWin();
}
}
}
/* Select a square
*/
Choice(row, col)
int row, col;
{
if(!TstVis(row, col) && !TstFlag(row, col))
{
if(TstMine(row, col))
{
gameover = dead = 1; return;
}
/* Make visible this square.
*/
SetVis(row, col, 1); ++viscnt;
/* Make visible the adjacent squares, if there are not mines around.
*/
if(!GetCount(row, col))
VisAdj(row, col);
TestIfWin();
}
}
/* Get square counter
*/
GetCount(row, col)
int row, col;
{
BYTE *p;
p = count_row[row];
return p[col];
}
/* Set square counter
*/
SetCount(row, col, val)
int row, col, val;
{
BYTE *p;
p=count_row[row];
p[col]=val;
}
/* Return 1 if there is a mine in the square, else 0
*/
TstMine(row, col)
int row, col;
{
BYTE *p;
p=mines_row[row];
return p[col] ? 1 : 0;
}
/* Set/remove a mine in a square
*/
SetMine(row, col, val)
int row, col, val;
{
BYTE *p;
p=mines_row[row];
p[col]=val;
}
/* Return 1 if there is a flag in the square, else 0
*/
TstFlag(row, col)
int row, col;
{
BYTE *p;
p=flags_row[row];
return p[col] ? 1 : 0;
}
/* Set/remove a flag in a square
*/
SetFlag(row, col, val)
int row, col, val;
{
BYTE *p;
p=flags_row[row];
p[col]=val;
}
/* Return 1 if it is a visible square, else 0
*/
TstVis(row, col)
int row, col;
{
BYTE *p;
p=visib_row[row];
return p[col] ? 1 : 0;
}
/* Set square to visible or invisible
*/
SetVis(row, col, val)
int row, col, val;
{
BYTE *p;
p=visib_row[row];
p[col]=val;
}
/* Return the number of mines in adjacent squares
*/
FindAdj(row, col)
int row, col;
{
int mines, rn, cn, i;
for((mines = i = 0); i < 8; ++i)
{
rn = row + row_off[i];
cn = col + col_off[i];
if(rn >= 0 && rn < brd_rows && cn >= 0 && cn < brd_cols)
if(TstMine(rn, cn))
++mines;
}
return mines;
}
/* Set adjacent squares visible - recursively
*/
VisAdj(row, col)
int row, col;
{
int rn, cn, i;
for(i=0; i < 8; ++i)
{
rn = row + row_off[i];
cn = col + col_off[i];
if(rn >= 0 && rn < brd_rows && cn >= 0 && cn < brd_cols)
{
if(!TstVis(rn, cn) && !TstFlag(rn, cn))
{
SetVis(rn, cn, 1); ++viscnt;
if(!GetCount(rn, cn))
VisAdj(rn, cn);
}
}
}
}
/* Display board
*/
ShowBoard()
{
int r, c;
KsClear();
PrStr("\t ");
for(c = 0; c < brd_cols; ++c) {
PrCh(' '); PrCh('A' + c);
}
PrCh('\n');
PrStr(FGBGRY);
PrStr("\t "); PrCh(201);
PrChTimes(205, brd_cols + brd_cols + 1);
PrCh(187); PrCh('\n');
PrStr(RESET);
for(r = 0; r < brd_rows; ++r)
{
PrCh('\t'); PrCh('0' + r); PrStr(FGBGRY); PrCh(186); PrStr(RESET);
for(c = 0; c < brd_cols; ++c)
{
PrCh(' ');
if(TstVis(r, c))
{
if(GetCount(r, c)) {
switch(GetCount(r, c))
{
case 1: PrStr(FGBBLU); break;
case 2: PrStr(FGGRN); break;
case 3: PrStr(FGBRED); break;
case 4: PrStr(FGBLU); break;
case 5: PrStr(FGRED); break;
default: PrStr(FGCYN); break;
}
PrCh('0' + GetCount(r, c));
PrStr(RESET);
}
else {
PrCh(SPR_BLANK);
}
}
else if(gameover)
{
if(TstMine(r, c)) {
if(TstFlag(r, c)) {
PrStr(FGRED); PrCh(SPR_FLAG); PrStr(RESET);
}
else {
PrStr(FGRED); PrCh(SPR_MINE); PrStr(RESET);
}
}
else {
if(TstFlag(r, c))
PrCh(SPR_ERR);
else
PrStr(FGBGRY); PrCh(SPR_UNK); PrStr(RESET);
}
}
else
{
#if DEBUG_MINES
if(TstFlag(r, c))
PrCh(SPR_FLAG);
else if(TstMine(r, c))
PrCh(SPR_MINE);
else
PrCh(SPR_UNK);
#else
if(TstFlag(r, c)) {
PrStr(FGRED); PrCh(SPR_FLAG); PrStr(RESET);
}
else {
PrStr(FGBGRY); PrCh(SPR_UNK); PrStr(RESET);
}
#endif
}
}
PrCh(' '); PrStr(FGBGRY); PrCh(186); PrStr(RESET); PrCh('0' + r);
switch(r)
{
case 0 :
PrStr(" FIND THAT MINE!");
break;
case 2 :
if(gameover) {
PrStr(" GAME OVER");
}
else {
PrStr(" Level: "); PrNumber(level);
}
break;
case 4 :
if(gameover) {
if(dead) {
PrStr(" YOU'RE DEAD");
}
else if(flgcnt + viscnt == squares) {
PrStr(" YOU WIN");
}
else {
PrStr(" SEE YOU LATER");
}
}
else {
PrStr(" Mines: "); PrNumber(mines);
}
break;
case 6 :
if(!gameover) {
PrStr(" Flags: "); PrNumber(flgcnt);
}
break;
}
PrCh('\n');
}
PrStr(FGBGRY);
PrStr("\t "); PrCh(200);
PrChTimes(205, brd_cols + brd_cols + 1);
PrCh(188); PrCh('\n');
PrStr(RESET);
PrStr("\t ");
for(c = 0; c < brd_cols; ++c) {
PrCh(' '); PrCh('A' + c);
}
PrCh('\n');
PrCh('\n');
}
/* Setup board.
All squares without mines, invisibles and without flags.
Set the mines randomly.
*/
extern char RandStr[];
ClrBoard()
{
int r, c; char *p;
/*
*/
p = RandStr + 8 * (random & 0x0F);
for(r = 0; r < brd_rows; ++r)
{
for(c = 0; c < brd_cols; ++c)
{
/* Set square
*/
SetVis(r, c, 0);
SetFlag(r, c, 0);
SetMine(r, c, *p == '@' ? 1 : 0);
/* Update next value
*/
if((*++p)=='$')
p = RandStr;
}
}
}
/* Setup counters of adjacent squares
*/
ClrCounts()
{
int r, c; char *p;
for(r = 0; r < brd_rows; ++r)
for(c = 0; c < brd_cols; ++c)
SetCount(r, c, FindAdj(r, c));
}
/* String to setup board randomly (total of 128 bytes). 1 mine each 8 bytes.
*/
#asm
RandStr:
; v-------v-------v-------v-------
defb '----@---@-------------@----@----'
defb '-@-----------@----@----------@--'
defb '--@---------@----------@--@-----'
defb '----@----@-----------@---@------'
defb '$'
#endasm
/* Read line from keyboard.
Setup random number.
*/
ReadLine(buf, width)
char *buf;
int width;
{
int len; char ch;
len = 0;
while(!KsGetKb())
++random;
while(1)
{
switch(ch = KsGetCh())
{
case 8 :
case 127 :
if(len)
{
PrCh(8); PrCh(' '); PrCh(8); --len;
}
break;
case '\r' :
case '\n' :
buf[len] = 0;
return;
default :
if(ch >= ' ' && len < width)
PrCh(buf[len++] = toupper(ch));
}
}
}
/* Print character. Supports simple '\t'.
*/
PrCh(c)
int c;
{
if(c != '\t') {
KsPutCh(c);
}
else {
PrChTimes(' ', 8);
}
}
/* Print string
*/
PrStr(s)
char *s;
{
while(*s) {
PrCh(*s++);
}
}
/* Print character X times
*/
PrChTimes(ch, n)
int ch, n;
{
while(n--) {
PrCh(ch);
}
}
/* Print decimal number
*/
PrNumber(n)
int n;
{
int s[7];
sprintf(s, "%d", n);
PrStr(s);
}


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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users. We, the Free Software Foundation, use the
GNU General Public License for most of our software; it applies also to
any other work released this way by its authors. You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
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The precise terms and conditions for copying, distribution and
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FindThatMine/ks.h Normal file
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@ -0,0 +1,398 @@
/**
* KSvt100
*
* This library offers a common interface for keyboard and screen devices
* using VT100 control codes
*
* This is a stripped down version of KS to only support VT100, but includes
* color codes
*/
/* ks.h
Keyboard & screen functions library for CP/M & MESCC - Mike's Enhanced Small C Compiler.
Stripped down version for VT100+color by Anna Christina Naß <acn@acn.wtf>
Copyright (c) 2016, 2017 Miguel I. Garcia Lopez / FloppySoftware, Spain
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3, or (at your option) any
later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
int xks_rows = 25; // Screen rows
int xks_cols = 80; // Screen columns
BYTE *xks_clrscr = "\e[H\e[J"; // Clear screen
BYTE *xks_poscur = "\e[%r;%cH"; // Position cursor
BYTE *xks_shwcur = "\e[?25h"; // Show cursor
BYTE *xks_hidcur = "\e[?25l"; // Hide cursor
BYTE *xks_yrever = "\e[7m"; // Reverse on
BYTE *xks_nrever = "\e[m"; // Reverse off
BYTE *xks_yuline = "\e[4m"; // Underline on
BYTE *xks_nuline = "\e[m"; // Underline off
#define RESET "\e[0m" // reset all attributes
#define FGBLK "\e[30m" // black
#define FGRED "\e[31m" // red
#define FGGRN "\e[32m" // green
#define FGYEL "\e[33m" // yellow
#define FGBLU "\e[34m" // blue
#define FGMAG "\e[35m" // magenta
#define FGCYN "\e[36m" // cyan
#define FGWHT "\e[37m" // white/gray
#define FGBGRY "\e[30;1m" // gray ("bright black")
#define FGBRED "\e[31;1m" // bright red
#define FGBGRN "\e[32;1m" // bright green
#define FGBYEL "\e[33;1m" // bright yellow
#define FGBBLU "\e[34;1m" // bright blue
#define FGBMAG "\e[35;1m" // bright magenta
#define FGBCYN "\e[36;1m" // bright cyan
#define FGBWHT "\e[37;1m" // bright white
#define BGBLK "\e[40m" // black
#define BGRED "\e[41m" // red
#define BGGRN "\e[42m" // green
#define BGYEL "\e[43m" // yellow
#define BGBLU "\e[44m" // blue
#define BGMAG "\e[45m" // magenta
#define BGCYN "\e[46m" // cyan
#define BGWHT "\e[47m" // white
/**
* @fn int KsHello(char *tty_name)
* @brief Initialize the KS library.
* Call this function before any other function (with a few exceptions).
* @param code - TTY code
* @return 0 on success, -1 on failure
*/
KsHello(code)
int code;
{
// Setup BIOS jumps, etc.
xKsInit();
return 0;
}
/**
* @fn void KsBye(void)
* @brief Reset the KS library.
* Call this function before you stop your program, in order to reset the TTY.
*/
KsBye()
{
// Nothing yet
}
/**
* @fn int KsGetCode(char *name)
* @brief Get the code for a TTY name.
* This function can be called before KsHello().
* @param name - TTY name
* @return TTY code if found, or -1 on unknown name
*/
KsGetCode(name)
char *name;
{
if(strcmp(name, "VT100")) {
return 0;
}
else {
return -1;
}
}
/**
* @fn int KsGetName(int code)
* @brief Get the name for a TTY code.
* This function can be called before KsHello().
* @param code - TTY code
* @return TTY name, or NULL on unknown code
*/
KsGetName(code)
int code;
{
if(code==0) {
return "VT100";
}
else {
return NULL;
}
}
/**
* @fn char **KsGetNames(void)
* @brief Get all supported TTY names.
* This function can be called before KsHello().
* @return Pointer to an array of pointers to char
*/
KsGetNames()
{
WORD xks_names[1];
xks_names[0] = "VT100";
return xks_names;
}
/**
* @fn int KsGetHowMany(void)
* @brief Get the number of supported TTYs.
* This function can be called before KsHello().
* @return Number of supported TTYs
*/
KsGetHowMany()
{
return 1;
}
/**
* @fn void KsClear(void)
* @brief Clear the screen and move the cursor to 0,0.
*/
KsClear()
{
KsPutRawStr(xks_clrscr);
}
/**
* @fn void KsPosCursor(int row, int col)
* @brief Move the cursor on screen.
* @param row - screen row from 0
* @param col - screen column from 0
*/
KsPosCursor(row, col)
int row, col;
{
char *p; int v;
for(p = xks_poscur; *p; ++p) {
if(*p != '%') {
KsPutRawCh(*p);
}
else {
v = (*(++p) == 'r' ? row : col);
xKsPutDec(1 + v);
}
}
}
/**
* @fn void KsSetCursor(int toggle)
* @brief Show or hide the cursor on screen.
* @param toggle - 0 to hide, other to show
*/
KsSetCursor(toggle)
int toggle;
{
if(xks_shwcur) {
KsPutRawStr(toggle ? xks_shwcur : xks_hidcur);
}
}
/**
* @fn void KsUnderline(int toggle)
* @brief Set or reset underline text.
* If the TTY does not have this capability, does nothing.
* @param toggle - 0 to reset, other to set
*/
KsUnderline(toggle)
int toggle;
{
if(xks_yuline) {
KsPutRawStr(toggle ? xks_yuline : xks_nuline);
}
}
/**
* @fn void KsReverse(int toggle)
* @brief Set or reset reverse text.
* If the TTY does not have this capability, does nothing.
* @param toggle - 0 to reset, other to set
*/
KsReverse(toggle)
int toggle;
{
if(xks_yrever) {
KsPutRawStr(toggle ? xks_yrever : xks_nrever);
}
}
/**
* @fn int KsGetRows(void)
* @brief Get TTY rows.
* @return TTY rows.
*/
KsGetRows()
{
return xks_rows;
}
/**
* @fn int KsGetCols(void)
* @brief Get TTY columns.
* @return TTY columns.
*/
KsGetCols()
{
return xks_cols;
}
/**
* @fn void KsCenterStr(int row, char *s)
* @brief Print a string centered on screen.
* @param row - screen row
* @param s - string
*/
KsCenterStr(row, s)
int row; char *s;
{
KsPosCursor(row, (KsGetCols() - strlen(s)) / 2);
KsPutStr(s);
}
/**
* @fn void KsPutRawCh(int ch)
* @brief Send a character to the TTY.
* @param ch - character
*/
#asm
KsPutRawCh
ld c,l
jp xKsConOut
#endasm
/**
* @fn void KsPutRawStr(char *s)
* @brief Send a string to the TTY using KsPutRawCh().
* @param s - string
*/
KsPutRawStr(s)
char *s;
{
while(*s) {
KsPutRawCh(*s++);
}
}
/**
* @fn void KsPutCh(int ch)
* @brief Send a character to the TTY.
* This functions performs the following translations:
* - '\n' to '\r' + '\n'
* @param ch - character
*/
#asm
KsPutCh
ld a,l
cp 10
jp nz,KsPutRawCh
ld l,13
call KsPutRawCh
ld l,10
jp KsPutRawCh
#endasm
/**
* @fn void KsPutStr(char *s)
* @brief Send a string to the TTY using KsPutCh().
* @param s - string
*/
KsPutStr(s)
char *s;
{
while(*s) {
KsPutCh(*s++);
}
}
/**
* @fn int KsGetKb(void)
* @brief Check if there is an input character from the keyboard.
* @return 0 for NO, other for YES
*/
#asm
KsGetKb:
call xKsConInSt
ld h,a
ld l,a
ret
#endasm
/**
* @fn int KsGetCh(void)
* @brief Get character from the keyboard, waiting for one if necessary.
* @return character
*/
#asm
KsGetCh
call xKsConIn
ld h,0
ld l,a
ret
#endasm
/* Private functions
-----------------
*/
// void xKsInit(void) : Set BIOS JUMPs.
#asm
xKsInit
ld hl,(1)
inc hl
inc hl
inc hl
ld de,xKsConInSt
ld bc,9
ldir
ret
xKsConInSt
jp 0 ; BIOS ConSt
xKsConIn
jp 0 ; BIOS ConIn
xKsConOut
jp 0 ; BIOS ConOut
#endasm
// void xKsPutDec(int num) : Send positive decimal number to TTY.
xKsPutDec(num)
int num;
{
#ifdef SPRINTF_H
char buf[6];
sprintf(buf, "%d", num);
KsPutRawStr(buf);
#else
char buf[6];
int i;
for(i = 0; i < 6; ++i) {
if(num > 9) {
buf[i] = num % 10;
num /= 10;
}
else {
buf[i++] = num;
break;
}
}
do {
KsPutRawCh('0' + buf[--i]);
} while(i);
#endif
}


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/**
* @file conio.h
* @brief Console I/O.
* @author Miguel I. Garcia Lopez / FloppySoftware
*
* Console I/O functions, for MESCC (Mike's Enhanced
* Small C Compiler for Z80 & CP/M).
*
* Supports following #defines:
* - CC_STDIO Support for stdin, stdout & stderr.
* - CC_CONIO_BIOS Support for direct console I/O.
*
* Revisions:
* - 22 Jan 2001 : Last revision.
* - 16 Apr 2007 : GPL'd.
* - 21 Apr 2007 : Changed puts for ANSI compatibility.
* - 15 May 2007 : Bug solved - added LF output to puts.
* - 13 Jul 2014 : Added kbhit().
* - 08 Dec 2014 : Added support for stdin, stdout & stderr.
* - 31 Dec 2014 : Solved bug in putstr when characters are > 0x7F.
* - 20 Dec 2015 : Added macro CC_CONIO_BIOS to support direct console I/O using BIOS, instead of BDOS.
* - 08 Jan 2015 : Modified getch() when access BDOS (fn. 6 instead of 1).
* - 10 Dec 2016 : Documented. GPL v3.
*
* Copyright (c) 1999-2016 Miguel I. Garcia Lopez / FloppySoftware.
*
* Licensed under the GNU General Public License v3.
*
* http://www.floppysoftware.es
* floppysoftware@gmail.com
*/
#ifndef CONIO_H
#define CONIO_H
/**
* @fn int putch(int ch)
* @brief Send character to the console.
* @param ch - character
* @return ch
*/
#ifdef CC_CONIO_BIOS
#asm
putch
PUSH HL
LD C,L
LD E,9
CALL xbios
POP HL
RET
xbios
LD HL,(1)
LD D,0
ADD HL,DE
JP (HL)
#endasm
#else
#asm
putch
PUSH HL
LD C,2
LD E,L
CALL 5
POP HL
RET
#endasm
#endif
/**
* @fn int getch(void)
* @brief Get character from the console without echo.
*
* Waits until a character is available.
*
* @return character
*/
#ifdef CC_CONIO_BIOS
#asm
getch
LD E,6
CALL xbios
LD H,0
LD L,A
RET
#endasm
#else
#asm
getch
LD C,6
LD E,255
CALL 5
OR A
JR Z,getch
LD H,0
LD L,A
RET
#endasm
#endif
/**
* @fn int kbhit(void)
* @brief Tests console input status.
* @return != 0 if a character is available, else 0.
*/
#ifdef CC_CONIO_BIOS
#asm
kbhit
LD E, 3
CALL xbios
LD H,A
LD L,A
RET
#endasm
#else
#asm
kbhit
LD C,11
CALL 5
LD H,A
LD L,A
RET
#endasm
#endif
/**
* @fn int getchar(void)
* @brief Get character from the console or stdin.
*
* Waits until a character is available.
*
* #ifdef CC_STDIO: Returns a character from stdin, or EOF on end of file or error.
* #ifndef CC_STDIO: Returns a character from the console. Echoes the character.
*
* @return character on success, else EOF.
*/
getchar()
{
#ifdef CC_STDIO
return fgetc(stdin);
#else
return putchar(getch());
#endif
}
/**
* @fn int putchar(int ch)
* @brief Send character to the console or stdout.
*
* #ifdef CC_STDIO: Returns ch, or EOF on error.
* #ifndef CC_STDIO: Returns ch.
*
* @param ch - character
* @return ch on success, else EOF.
*/
putchar(ch)
int ch;
{
#ifdef CC_STDIO
return fputc(ch, stdout);
#else
if(ch == '\n')
putch('\r');
return putch(ch);
#endif
}
/**
* @fn int putstr(char *s)
* @brief Send string to the console or stdout.
*
* #ifdef CC_STDIO: Returns the number of characters sent, or EOF on error.
* #ifndef CC_STDIO: Returns a non-negative value to indicate success.
*
* @param s - string
* @return number of characters sent on success, else EOF.
*/
putstr(s)
char *s;
{
#ifdef CC_STDIO
/* FIXME : Better if call to fputs (if available) */
int i, c;
i = 0;
while(*s)
{
/* FIXME : -1 hardcoded -- < 0 causes strange
behaviour if ch > 0x7F */
if((c = putchar(*s++)) == -1)
return c;
++i;
}
return i;
#else
while(*s)
putchar(*s++);
return 0;
#endif
}
/**
* @fn int puts(char *s)
* @brief Send string + '\n' to the console or stdout.
*
* #ifdef CC_STDIO: Returns the number of characters sent, or EOF on error.
* #ifndef CC_STDIO: Returns a non-negative value to indicate success.
*
* @param s - string
* @return number of characters sent on success, else EOF.
*/
puts(s)
char *s;
{
putstr(s);
return putchar('\n'); /* FIXME */
}
#endif


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/**
* @file ctype.h
* @brief Character tests and conversion functions.
* @author Miguel I. Garcia Lopez / FloppySoftware
*
* Character tests and conversion functions, for MESCC (Mike's Enhanced
* Small C Compiler for Z80 & CP/M).
*
* Revisions:
* - 19 Dec 2000 : Last revision.
* - 16 Apr 2007 : GPL'd.
* - 15 Aug 2016 : Documented. GPL v3.
*
* Copyright (c) 1999-2016 Miguel I. Garcia Lopez / FloppySoftware.
*
* Licensed under the GNU General Public License v3.
*
* http://www.floppysoftware.es
* floppysoftware@gmail.com
*/
#ifndef CTYPE_H
#define CTYPE_H
/**
* @fn int isalpha(char ch)
* @brief Test if ch is a letter.
* @param ch - character to test
* @return true or false
*/
#asm
isalpha
ld a,l
ld hl,0
cp 'A'
ret c
cp 'Z'+1
jr c,isalpha1
cp 'a'
ret c
cp 'z'+1
ret nc
isalpha1
inc l
ret
#endasm
/**
* @fn int isdigit(char ch)
* @brief Test if ch is a decimal digit.
* @param ch - character to test
* @return true or false
*/
#asm
isdigit
ld a,l
ld hl,0
cp '0'
ret c
cp '9'+1
ret nc
inc l
ret
#endasm
/**
* @fn int isxdigit(char ch)
* @brief Test if ch is an hexadecimal digit.
* @param ch - character to test
* @return true or false
*/
#asm
isxdigit
LD C,L
CALL isdigit
RET C
LD HL,0
LD A,C
CP 'A'
RET C
CP 'G'
JR C,isxdigit1
CP 'a'
RET C
CP 'g'
RET NC
isxdigit1
INC L
RET
#endasm
/**
* @fn int isalnum(char ch)
* @brief Test if ch is a letter or a decimal digit.
* @param ch - character to test
* @return true or false
*/
#asm
isalnum
LD C,L
CALL isdigit
RET C
LD L,C
JP isalpha
#endasm
/**
* @fn int isupper(char ch)
* @brief Test if ch is a letter in uppercase.
* @param ch - character to test
* @return true or false
*/
#asm
isupper
ld a,l
ld hl,0
cp 'A'
ret c
cp 'Z'+1
ret nc
inc l
ret
#endasm
/**
* @fn int islower(char ch)
* @brief Test if ch is a letter in lowercase.
* @param ch - character to test
* @return true or false
*/
#asm
islower
ld a,l
ld hl,0
cp 'a'
ret c
cp 'z'+1
ret nc
inc l
ret
#endasm
/**
* @fn int toupper(char ch)
* @brief Convert letter to uppercase.
*
* If ch is not a letter in lowercase, returns ch unchanged.
*
* @param ch - character to convert
* @return ch in uppercase
*/
#asm
toupper
ld a,l
cp 'a'
ret c
cp 'z'+1
ret nc
sub 20h
ld l,a
ret
#endasm
/**
* @fn int tolower(char ch)
* @brief Convert letter to lowercase.
*
* If ch is not a letter in uppercase, returns ch unchanged.
*
* @param ch - character to convert
* @return ch in lowercase
*/
#asm
tolower
ld a,l
cp 'A'
ret c
cp 'Z'+1
ret nc
add 20h
ld l,a
ret
#endasm
#endif


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/**
* @file mescc.h
* @brief Runtime library.
* @author Miguel I. Garcia Lopez / FloppySoftware
*
* Runtime library for MESCC (Mike's Enhanced
* Small C Compiler for Z80 & CP/M).
*
* This library file must be included first!
*
* Need following EQU's (generated by the compiler):
* - ccSTACKSIZE : Stack size in bytes.
*
* Supports following #defs:
* - #define CC_STDIO Support for stdin, stdout & stderr.
* - #define CC_REDIR Support for stdin & stdout redirection
* in command line (needs CC_STDIO).
* - #define CC_NO_MUL To exclude MULTIPLICATION code.
* - #define CC_NO_DIV To exclude DIVISION & MODULUS code.
* - #define CC_NO_SWITCH To exclude SWITCH code.
* - #define CC_NO_ARGS To exclude ARGC & ARGV code.
* - #define CC_NO_ORG To exclude ORG 0100H code.
*
* Sets the following #defines:
*
* - BYTE
* - WORD
* - BOOL
* - NULL
* - TRUE
* - FALSE
* - SIZEOF_CHAR
* - SIZEOF_INT
* - SIZEOF_PTR
*
* Revisions:
* - 16 Jan 2001 : Last revision.
* - 23 Mar 2007 : Expand ccladr1 and ccladr2 for more speed.
* - 16 Apr 2007 : GPL'd.
* - 26 Aug 2012 : Added standard defs.
* - 08 Dec 2014 : Minor changes.
* - 09 Dec 2014 : Added support for stdin, stdout & stderr with CC_STDIO.
* - 12 Dec 2014 : Added support for stdin & stdout redirection in command line with CC_REDIR.
* - 16 Jan 2015 : Added SIZEOF_??? definitions.
* - 16 Feb 2015 : Modified / added code in cctmpw, ccxpb2, ccxpb, ccxpb3, ccxpw2
* ccxpw, ccxpw3, ccladr2sv, ccladr2, ccladr1sv, ccladr1,
* to avoid use of IX register.
* - 20 Mar 2015 : Added support for CC_NO_MUL, CC_NO_DIV, CC_NO_SWITCH, CC_NO_ARGS.
* - 12 Apr 2015 : Removed ccDEFARGS code.
* - 14 Jul 2015 : Modified code for << and >>, because a shift of 0 positions,
* resulted in a wrong value (they assumed a shift > 0) - ie: 128 >> 0 resulted in 0.
* - 19 Oct 2015 : Improved multiplication algorithm (ccmul & ccumul).
* - 05 Nov 2015 : Modified ccsxt.
* - 30 Nov 2015 : Added support for atexit().
* - 24 Jan 2016 : Added support for CC_NO_ORG.
* - 10 Dec 2016 : Documented. GPL v3.
*
* Copyright (c) 1999-2016 Miguel I. Garcia Lopez / FloppySoftware.
*
* Licensed under the GNU General Public License v3.
*
* http://www.floppysoftware.es
* floppysoftware@gmail.com
*/
/* STANDARD DEFs
-------------
*/
#define BYTE unsigned char
#define WORD unsigned int
#define BOOL char
#define NULL 0
#define TRUE 1
#define FALSE 0
#define SIZEOF_CHAR 1 /* [unsigned] char */
#define SIZEOF_INT 2 /* [unsigned] int */
#define SIZEOF_PTR 2 /* pointer */
/* RUNTIME CODE
------------
*/
#ifndef CC_NO_ORG
#asm
; Start at TPA
ORG 0100H
#endasm
#endif
#asm
; Runtime address
ccrtadr:
; Set stack under BDOS (xx00h)
LD HL,(6)
LD L,0
LD SP,HL
; Leave space for stack and init. variables
LD DE,ccSTACKSIZE
OR A
SBC HL,DE
DEC HL
LD (ccfreelast),HL
LD DE,ccfreemem
LD (ccfreefirst),DE
OR A
SBC HL,DE
INC HL
LD (ccfreebytes),HL
JR NC,ccargs
; Error, no memory for stack
LD C,9
LD DE,ccerrstack
CALL 5
JP 0
ccerrstack
DEFB 'Runtime Error - No stack$'
; Setup command line arguments
ccargs
#endasm
#ifndef CC_NO_ARGS
#asm
; Copy command line
LD HL,81H
LD DE,ccmdbuf
LD BC,127
LDIR
LD A,(80H)
LD B,0
LD C,A
LD HL,ccmdbuf
ADD HL,BC
LD (HL),0
; Init. argc & argv
LD DE,cchptr
LD HL,ccmdbuf - 1
LD BC,1
ccspc
INC HL
LD A,(HL)
OR A
JR Z,ccarg
CP ' '
JR Z,ccspc
LD A,L
LD (DE),A
LD A,H
INC DE
LD (DE),A
INC DE
INC C
ccpar
INC HL
LD A,(HL)
OR A
JR Z,ccarg
CP ' '
JR NZ,ccpar
LD (HL),0
JR ccspc
ccarg
LD HL,cchptr - 2
PUSH BC ;argc
PUSH HL ;argv
#endasm
#endif
#ifdef CC_REDIR
#asm
CALL redir ;FIXME - Check errors
POP DE
POP BC
PUSH HL ;argc
PUSH DE ;argv
#endasm
#endif
#asm
; Execute program
CALL main
#endasm
/**
* @fn void exit(int code)
* @brief Exit to CP/M.
*
* FixMe: Return code is lost!
*/
#asm
; Exit to CP/M
exit
NOP ; Patch for atexit() -- 3 bytes.
NOP
NOP
#endasm
#ifdef CC_STDIO
BYTE *stdin, *stdout, *stderr; /* Sorry, no available FILE here */
#asm
LD HL,(stdin)
CALL ccflush
LD HL,(stdout)
CALL ccflush
JP 0
ccflush
LD A,H
OR L
RET Z
PUSH HL
CALL fclose
POP BC
RET
#endasm
#else
#asm
JP 0
#endasm
#endif
#asm
; Variables for memory functions
ccfreefirst
DEFW 0 ;Adr. first free byte
ccfreelast
DEFW 0 ;Adr. last free byte
ccfreebytes
DEFW 0 ;Number of free bytes
#endasm
#ifndef CC_NO_ARGS
#asm
; Variables for command line arguments
ccmdbuf
DEFS 128 ;Command line buffer
DEFW ccNULL ;Pointers table for argv
cchptr
DEFW ccNULL,ccNULL,ccNULL,ccNULL,ccNULL
DEFW ccNULL,ccNULL,ccNULL,ccNULL,ccNULL
DEFW ccNULL,ccNULL,ccNULL,ccNULL,ccNULL
DEFW ccNULL,ccNULL,ccNULL,ccNULL,ccNULL
DEFW ccNULL,ccNULL,ccNULL,ccNULL,ccNULL
ccNULL
DEFB 0 ;Null pointer
#endasm
#endif
#asm
; Basic routines
; Call formats to access locals:
;
; Format 1: CALL routine
; DEFB SpOffset
;
; Format 2: CALL routine
; DEFW SpOffset
; HL = unsigned char from local (format 2)
ccxgb2
CALL ccladr2
JR ccxgb3
; HL = unsigned char from local (format 1)
ccxgb
CALL ccladr1
ccxgb3
LD L,(HL)
LD H,0
RET
; HL = signed char from local (format 2)
ccxgc2
CALL ccladr2
JR ccgc
; HL = signed char from local (format 1)
ccxgc
CALL ccladr1
; HL = signed char from (HL)
ccgc
LD A,(HL)
; HL = signed char from A
ccsxt
LD L,A
RLCA
SBC A
LD H,A
RET
; LD H,0
; LD L,A
; AND 128
; RET Z
; DEC H
; RET
; HL = word from local (format 2)
ccxgw2
CALL ccladr2
JR ccgw
; HL = word from local (format 1)
ccxgw
CALL ccladr1
; HL = word from (HL)
ccgw
LD A,(HL)
INC HL
LD H,(HL)
LD L,A
RET
; char local = HL (format 2)
ccxpb2
CALL ccladr2sv
JR ccxpb3
; char local = HL (format 1)
ccxpb
CALL ccladr1sv
ccxpb3
LD DE,(cctmpw)
LD (HL),E
EX DE,HL
RET
; int/ptr local = HL (format 2)
ccxpw2
CALL ccladr2sv
JR ccxpw3
; int/ptr local = HL (format 1)
ccxpw
CALL ccladr1sv
ccxpw3
LD DE,(cctmpw)
LD (HL),E
INC HL
LD (HL),D
EX DE,HL
RET
; Copy 1 word from HL to (DE)
ccpw
LD A,L
LD (DE),A
INC DE
LD A,H
LD (DE),A
RET
; Calc. local adress
cctmpw DEFW 0
ccladr2sv
LD (cctmpw),HL
ccladr2
POP DE
POP HL
LD C,(HL)
INC HL
LD B,(HL)
INC HL
PUSH HL
PUSH DE
LD HL,4
ADD HL,BC
ADD HL,SP
RET
ccladr1sv
LD (cctmpw),HL
ccladr1
POP DE
POP HL
LD B,0
LD C,(HL)
INC HL
PUSH HL
PUSH DE
LD HL,4
ADD HL,BC
ADD HL,SP
RET
; OR HL = HL | DE
ccor
LD A,L
OR E
LD L,A
LD A,H
OR D
LD H,A
RET
; XOR HL = HL ^ DE
ccxor
LD A,L
XOR E
LD L,A
LD A,H
XOR D
LD H,A
RET
; AND HL = HL & DE
ccand
LD A,L
AND E
LD L,A
LD A,H
AND D
LD H,A
RET
; LOGIC OR HL = DE || HL
cclgor
LD A,H
OR L
OR D
OR E
LD L,A
RET
;LD A,H
;OR L
;RET NZ
;LD A,D
;OR E
;RET Z
;INC L
;RET
; LOGIC AND HL = DE && HL
cclgand
LD A,H
OR L
RET Z
LD A,D
OR E
RET NZ
JP ccfalse
; HL = HL == DE
cceq
OR A
SBC HL,DE
; LOGIC NOT HL = !HL
cclgnot
LD A,H
OR L
JP NZ,ccfalse
INC L
RET
; HL = HL != DE
ccne
OR A
SBC HL,DE
RET
; HL = DE > HL (SIGNED)
ccgt
EX DE,HL
; HL = DE < HL (SIGNED)
cclt
CALL cccmp
RET C
DEC L
RET
; HL = DE <= HL (SIGNED)
ccle
CALL cccmp
RET Z
RET C
DEC L
RET
; HL = DE >= HL (SIGNED)
ccge
CALL cccmp
RET NC
DEC L
RET
; Compare DE with HL, and return: (SIGNED)
;
; CARRY if DE < HL
; ZERO if DE == HL
; HL = 1
cccmp
LD A,E
SUB L
LD E,A
LD A,D
SBC H
LD HL,1
JP M,cccmp1
OR E
RET
cccmp1
OR E
SCF
RET
; HL = DE <= HL (UNSIGNED)
ccule
CALL ccucmp
RET Z
RET C
DEC L
RET
; HL = DE >= HL (UNSIGNED)
ccuge
CALL ccucmp
RET NC
DEC L
RET
; HL = DE > HL (UNSIGNED)
ccugt
EX DE,HL
; HL = DE < HL (UNSIGNED)
ccult
CALL ccucmp
RET C
DEC L
RET
; Compare DE with HL, and return: (UNSIGNED)
;
; CARRY if DE < HL
; ZERO if DE == HL
; HL = 1
ccucmp
LD A,D
CP H
JR NZ,ccucmp1
LD A,E
CP L
ccucmp1
LD HL,1
RET
; HL = DE >> HL (UNSIGNED)
ccuasr
EX DE,HL
LD A,E
ccuasr1
OR A
RET Z
DEC A
SRL H
RR L
JR ccuasr1
; HL = DE >> HL (ARITMETIC)
ccasr
EX DE,HL
LD A,E
ccasr1
OR A
RET Z
DEC A
SRA H
RR L
JR ccasr1
; HL = DE << HL (UNSIGNED)
ccuasl
; HL = DE << HL (ARITMETIC)
ccasl
EX DE,HL
LD A,E
ccasl1
OR A
RET Z
DEC A
ADD HL,HL
JR ccasl1
; HL = DE - HL
ccsub
EX DE,HL
OR A
SBC HL,DE
RET
; HL = ~HL (1 COMPLEMENT)
cccom
LD A,H
CPL
LD H,A
LD A,L
CPL
LD L,A
RET
; HL = -HL (2 COMPLEMENT)
ccneg
LD A,H
CPL
LD H,A
LD A,L
CPL
LD L,A
INC HL
RET
#endasm
#ifndef CC_NO_MUL
#asm
; HL = DE * HL (UNSIGNED)
ccumul
; HL = DE * HL (SIGNED)
ccmul
LD A,H
LD C,L
LD HL,0
LD B,16
ccmul0
ADD HL,HL
SLA C
RL A
JR NC,ccmul1
ADD HL,DE
ccmul1
DJNZ ccmul0
RET
#endasm
#endif
#ifndef CC_NO_DIV
#asm
; HL = DE % HL (SIGNED)
ccmod
CALL ccdiv
EX DE,HL
RET
; HL = DE / HL (SIGNED)
; DE = DE % HL (SIGNED)
ccdiv
LD B,H
LD C,L
LD A,D
XOR B
PUSH AF
LD A,D
OR A
CALL M,ccdivdeneg
LD A,B
OR A
JP P,ccdiv0
LD A,B
CPL
LD B,A
LD A,C
CPL
LD C,A
INC BC
ccdiv0
EX DE,HL
LD DE,0
LD A,16
ccdiv1
PUSH AF
ADD HL,HL
RL E
RL D
LD A,D
OR E
JR Z,ccdiv2
LD A,E
SUB C
LD A,D
SBC B
JP M,ccdiv2
LD A,L
OR 1
LD L,A
LD A,E
SUB C
LD E,A
LD A,D
SBC B
LD D,A
ccdiv2
POP AF
DEC A
JR NZ,ccdiv1
POP AF
RET P
CALL ccneg
ccdivdeneg
LD A,D
CPL
LD D,A
LD A,E
CPL
LD E,A
INC DE
RET
; HL = DE % HL (UNSIGNED)
ccumod
CALL ccudiv
EX DE,HL
RET
; HL = DE / HL (UNSIGNED)
; DE = DE % HL (UNSIGNED)
ccudiv
LD (ccudiv_tmp),HL
LD HL,ccudiv_cnt
LD (HL),17
LD BC,0
PUSH BC
XOR A
ccudiv0
RL E
RL D
DEC (HL)
POP HL
JR Z,ccudiv2
LD A,0
ADC 0
ADD HL,HL
LD B,H
ADD L
LD HL,(ccudiv_tmp)
SUB L
LD C,A
LD A,B
SBC H
LD B,A
PUSH BC
JR NC,ccudiv1
ADD HL,BC
EX (SP),HL
ccudiv1
LD HL,ccudiv_cnt
CCF
JR ccudiv0
ccudiv2
EX DE,HL
RET
ccudiv_tmp
DEFW 0
ccudiv_cnt
DEFB 0
#endasm
#endif
#ifndef CC_NO_SWITCH
#asm
; Switch, on entry:
;
; DE = Table address
; HL = Where to go if value was not found in table
; B = Number of entries in table
ccswtch
EX (SP),HL
EX DE,HL
ccswch1
LD A,E
CP (HL)
INC HL
JR NZ,ccswch2
LD A,D
CP (HL)
JR NZ,ccswch2
INC HL
LD E,(HL)
INC HL
LD D,(HL)
EX DE,HL
POP BC
JP (HL)
ccswch2
INC HL
INC HL
INC HL
DJNZ ccswch1
EX (SP),HL
POP BC
JP (HL)
#endasm
#endif
#asm
; HL = TRUE
cctrue
LD L,1
RET
; HL = FALSE
ccfalse
LD HL,0
RET
#endasm


104
FindThatMine/mescc/sprintf.h Normal file
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@ -0,0 +1,104 @@
/**
* @file sprintf.h
* @brief Library for sprintf() function.
* @author Miguel I. Garcia Lopez / FloppySoftware
*
* Implementation of sprintf() function, for MESCC (Mike's Enhanced
* Small C Compiler for Z80 & CP/M).
*
* Revisions:
* - 20 Oct 2000 : Last revision.
* - 16 Apr 2007 : GPL'd.
* - 14 Apr 2015 : Ammended a bad closed comment.
* - 25 Aug 2016 : Documented. GPL v3.
*
* Copyright (c) 1999-2016 Miguel I. Garcia Lopez / FloppySoftware.
*
* Licensed under the GNU General Public License v3.
*
* http://www.floppysoftware.es
* floppysoftware@gmail.com
*/
#ifndef SPRINTF_H
#define SPRINTF_H
// Dependencies
// ------------
#ifndef XPRINTF_H
#include <xprintf.h>
#endif
/**
* @fn int sprintf(char *dst, char *fmt, arg1, arg2, ...)
* @brief Formatted output to memory.
*
* See the documentation for xprintf.h to learn about the string format.
*
* @param dst - destination
* @param fmt - string format
* @param arg1 - argument #1
* @param arg? - argument #?
* @return number or characters written, or -1 on failure (currently always #).
*/
#asm
sprintf:
ADD HL,HL
ADD HL,SP ;HL=Adr. fmt
LD DE,xspfout
PUSH DE
LD DE,xspfend
PUSH DE
PUSH HL
INC HL
INC HL ;HL=Adr. dst
LD A,(HL)
INC HL
LD H,(HL)
LD L,A
LD (xspfout+2),HL
CALL xprintf
POP BC
POP BC
POP BC
RET
#endasm
// int xspfout(char ch) : output ch to memory; return 0 on success, !=0 on failure (currently always returns 0).
#asm
xspfout:
LD A,L
LD HL,0 ;Adr.
LD (HL),A
INC HL
LD (xspfout+2),HL
LD HL,0
RET
#endasm
// void xspfend(void) : end formatted output; writes a trailing zero byte.
#asm
xspfend:
LD HL,(xspfout+2)
LD (HL),0
RET
#endasm
#endif


249
FindThatMine/mescc/string.h Normal file
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@ -0,0 +1,249 @@
/**
* @file string.h
* @brief String functions.
* @author Miguel I. Garcia Lopez / FloppySoftware
*
* String functions, for MESCC (Mike's Enhanced
* Small C Compiler for Z80 & CP/M).
*
* Revisions:
* - 19 Mar 2001 : Last revision.
* - 16 Apr 2007 : GPL'd.
* - 15 Aug 2016 : Documented. GPL v3.
*
* Copyright (c) 1999-2016 Miguel I. Garcia Lopez / FloppySoftware.
*
* Licensed under the GNU General Public License v3.
*
* http://www.floppysoftware.es
* floppysoftware@gmail.com
*/
#ifndef STRING_H
#define STRING_H
/**
* @fn int strlen(char *str)
* @brief Return string length.
* @param str - string
* @return length in characters
*/
#asm
strlen:
LD D,H
LD E,L
LD BC,0FFFFH
XOR A
CPIR
OR A
SBC HL,DE
DEC HL
RET
#endasm
/**
* @fn char *strcpy(char *dst, char *src)
* @brief Copy string.
* @param dst - destination string
* @param src - source string
* @return pointer to dst
*/
#asm
strcpy:
POP BC
POP HL
POP DE
PUSH DE
PUSH HL
PUSH BC
PUSH DE
strcpy2:
LD A,(HL)
LD (DE),A
INC HL
INC DE
OR A
JR NZ,strcpy2
POP HL
RET
#endasm
/**
* @fn char *strcat(char *dst, char *src)
* @brief Copy string at the end of another string.
* @param dst - destination string
* @param src - source string
* @return pointer to dst
*/
#asm
strcat:
POP BC
POP HL
POP DE
PUSH DE
PUSH HL
PUSH BC
PUSH DE
strcat2
LD A,(DE)
OR A
JR Z,strcpy2
INC DE
JR strcat2
#endasm
/**
* @fn int strcmp(char *str1, char *str2)
* @brief Compare two strings.
* @param str1 - a string
* @param str2 - a string
* @return <0 on str1 < str2; =0 on str1 == str2; >0 on str1 > str2
*/
#asm
strcmp
POP BC
POP HL
POP DE
PUSH DE
PUSH HL
PUSH BC
strcmp1
LD A,(DE)
CP (HL)
JR NZ,strcmp2
OR A
JR Z,strcmp2
INC DE
INC HL
JR strcmp1
strcmp2
LD HL,0
RET Z
JR NC,strcmp3
DEC HL
RET
strcmp3
INC L
RET
#endasm
/**
* @fn char *strchr(char *str, char ch)
* @brief Search a character in a string.
* @param str - the string where to search
* @param ch - the character to find
* @return pointer to ch in the string, or NULL on failure
*/
#asm
strchr
POP BC
POP DE
POP HL
PUSH HL
PUSH DE
PUSH BC
strchr2
LD A,(HL)
CP E
RET Z
INC HL
OR A
JR NZ,strchr2
LD H,A
LD L,A
RET
#endasm
/**
* @fn char *strupr(char *str)
* @brief Convert a string to upper case.
* @param str - a string
* @return pointer to str
*/
#asm
strupr
POP BC
POP HL
PUSH HL
PUSH BC
PUSH HL
strupr1
LD A,(HL)
OR A
JR Z,strupr3
CP 'a'
JR C,strupr2
CP 'z'+1
JR NC,strupr2
SUB 32
LD (HL),A
strupr2
INC HL
JR strupr1
strupr3
POP HL
RET
#endasm
/**
* @fn int atoi(char *s)
* @brief Convert string to a integer.
*
* This function parses a string, interpreting its content as
* a decimal integer number, until the end of the string, or
* a non decimal digit:
*
* [+|-][[0..9]...][ZERO|NON_DECIMAL_DIGIT]
*
* Examples:
* - "-256" == -256
* - "64" == 64
* - "1024 bytes" == 1024
* - "what?" == 0
*
* @param s - a string
* @return integer value
*/
atoi(s)
char *s;
{
int sign, val;
if(*s == '+')
{
++s; sign = 1;
}
else if(*s == '-')
{
++s; sign = -1;
}
else
sign = 1;
val=0;
while(*s >= '0' && *s <= '9')
val = val * 10 + (*s++ - '0');
return val * sign;
}
#endif


365
FindThatMine/mescc/xprintf.h Normal file
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@ -0,0 +1,365 @@
/**
* @file xprintf.h
* @brief Support library for formatted output.
* @author Miguel I. Garcia Lopez / FloppySoftware
*
* Support library for formatted output,
* for MESCC (Mike's Enhanced Small C Compiler for Z80 & CP/M).
*
* All functions with formatted output like printf(), fprintf()
* and sprintf() call some private functions in this order:
* - pf_sf()
* - pf_s()
* - pf_out()
*
* Revisions:
* - 19 Mar 2001 : Last revision.
* - 16 Apr 2007 : GPL'd.
* - 09 Dec 2016 : Documented. Optimized. GPL v3.
* - 02 Aug 2017 : Output '%%' as '%'.
*
* Copyright (c) 1999-2016 Miguel I. Garcia Lopez / FloppySoftware.
*
* Licensed under the GNU General Public License v3.
*
* http://www.floppysoftware.es
* floppysoftware@gmail.com
*/
#ifndef XPRINTF_H
#define XPRINTF_H
// Dependencies
// ------------
#ifndef STRING_H
#include <string.h>
#endif
// Private globals
// ---------------
BYTE xpf_err; // True on error
extern WORD xpf_out; // Output function
extern WORD xpf_end; // End function
int xpf_fw; // Field width
BYTE xpf_fa; // Field alignment: 0=left, 1=right
BYTE xpf_fz; // True on zero filling
int xpf_cnt; // # of characters sent
/**
* @fn int xprintf(WORD funout, WORD funend, WORD adrpars)
* @brief Formatted output.
*
* This function performs formatted output. It is used
* by printf(), fprintf() and sprintf() functions.
*
* The format is indicated in the string as follows:
*
* %[-][0][w]t
*
* | - : Left align (default: right align).
* | 0 : Zero filling on right align.
* | w : Width for alignment. If the specified width
* | is lower than the argument length, output is
* | done without aligment. Care with sprinf()!
* | t : d = Signed decimal integer.
* | u = Unsigned decimal integer.
* | x = Hexadecimal integer.
* | s = String.
* | c = Character.
*
* The pair %% outputs a single %.
*
* @param funout - function to output a character
* @param funend - function to end output
* @param adrpars - arguments addresses
* @return # of characters sent on sucess, -1 on failure
*/
xprintf(funout, funend, adrpars)
WORD funout, funend;
WORD *adrpars;
{
WORD *parg; // Pointer to arguments
char *pfor; // Pointer to formatted string
int ivalue;
char ch;
// Setup
xpf_out = funout;
xpf_end = funend;
pfor = *adrpars;
parg = --adrpars;
xpf_err = xpf_cnt = 0;
// Loop
while((ch = *pfor++))
{
if(ch == '%')
{
// Character %
if(*pfor == '%')
{
pf_out(ch);
++pfor;
continue;
}
// Align
if(*pfor == '-')
{
xpf_fa = 0; // Left align
++pfor;
}
else
xpf_fa = 1; // Right align
// Zero filling
if(*pfor == '0')
{
xpf_fz = 1; // Zero filling
++pfor;
}
else
xpf_fz = 0;
// Width
xpf_fw = 0;
while(*pfor >= '0' && *pfor <= '9')
xpf_fw = xpf_fw * 10 + (*pfor++) - '0';
// Type
switch(ch = *pfor++)
{
case 'd' :
ivalue = *parg--;
pf_dec(ivalue);
break;
case 'u' :
ivalue = *parg--;
pf_udec(ivalue);
break;
case 'x' :
ivalue = *parg--;
pf_hex(ivalue);
break;
case 'c' :
pf_cf(*parg--);
break;
case 's' :
pf_sf(*parg--);
break;
case '\0' :
--pfor;
// P'abajo
default :
pf_out('!');
break;
}
}
else
pf_out(ch);
if(xpf_err)
break;
}
pf_end();
return xpf_err ? -1 : xpf_cnt;
}
// void pf_sf(char *s) : output formatted string.
pf_sf(s)
char *s;
{
int len;
char fill;
if(xpf_fw)
{
if((len = strlen(s)) < xpf_fw)
{
xpf_fw = xpf_fw-len;
if(xpf_fa)
{
// Left align
fill = (xpf_fz ? '0' : ' ');
while(xpf_fw--)
pf_out(fill);
pf_s(s);
}
else
{
// Right align
pf_s(s);
while(xpf_fw--)
pf_out(' ');
}
return;
}
}
pf_s(s);
}
// void pf_cf(char c) : output formatted character.
pf_cf(c)
char c;
{
char tmp[2];
tmp[0] = c; tmp[1] = '\0';
pf_sf(tmp);
}
unsigned char xpf_dst[7]; // Buffer for numbers
unsigned char *xpf_dpt; // Buffer pointer
// void pf_dec(int i) : output signed decimal integer.
pf_dec(i)
int i;
{
xpf_dpt = xpf_dst;
if(i < 0)
{
*xpf_dpt++ = '-'; i = -i;
}
pf_dec2(i);
*xpf_dpt = '\0';
pf_sf(xpf_dst);
}
// void pf_dec2(int i) : helper for pf_dec().
pf_dec2(i)
int i;
{
int n;
if(n = i / 10)
pf_dec2(n);
*xpf_dpt++ = i % 10 + '0';
}
// void pf_udec(unsigned int i) : output unsigned decimal integer.
pf_udec(i)
unsigned i;
{
xpf_dpt = xpf_dst;
pf_udec2(i);
*xpf_dpt = '\0';
pf_sf(xpf_dst);
}
// void pf_udec2(unsigned int i) : helper for pf_udec().
pf_udec2(i)
unsigned i;
{
unsigned n;
if(n = i / 10)
pf_udec2(n);
*xpf_dpt++ = i % 10 + '0';
}
// void pf_hex(unsigned int i) : output hexadecimal integer.
pf_hex(i)
unsigned i;
{
xpf_dpt = xpf_dst;
pf_hex2(i);
*xpf_dpt = '\0';
pf_sf(xpf_dst);
}
// void pf_hex2(unsigned int i) : helper for pf_hex().
pf_hex2(i)
unsigned i;
{
unsigned n;
if(n = i / 16)
pf_hex2(n);
i %= 16;
*xpf_dpt++ = i < 10 ? '0' + i : 'A' + i - 10;
}
// void pf_s(char *s) : output string.
pf_s(s)
char *s;
{
while(*s)
pf_out(*s++);
}
// void pf_out(char c) : output character.
#asm
pf_out:
PUSH HL
DEFB 0CDH
xpf_out:
DEFW 0
POP BC
EX DE,HL
LD HL,(xpf_cnt)
INC HL
LD (xpf_cnt),HL
LD A,D
OR E
RET Z
;; LD A,255
LD (xpf_err),A
RET
#endasm
// void pf_end(void) : end output.
#asm
pf_end:
DEFB 0C3H
xpf_end:
DEFW 0
#endasm
#endif


1
README.md
View File

@ -28,6 +28,7 @@ See this repository: https://git.imzadi.de/acn/backgammon-vt100
* [Battleships](Battleships/) * [Battleships](Battleships/)
* [Blocks](Blocks/) * [Blocks](Blocks/)
* [Robots](Robots/) * [Robots](Robots/)
* [FindThatMine](FindThatMine/)
## More Games on the Interwebs ## More Games on the Interwebs