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cc65-Chess
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cc65-Chess/src/atmos/platOric.c

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/*
* platOric.c
* cc65 Chess
*
* Implementation for Oric by [raxiss], May 2020
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../types.h"
#include "../globals.h"
#include "../undo.h"
#include "../frontend.h"
#include "../plat.h"
#include "platOric.h"
#define BOARD_X 1
#define BOARD_Y 18
#define BOARD_PIECE_WIDTH 3
#define BOARD_PIECE_HEIGHT 22
#define CHAR_HEIGHT 8
#define LOG_WINDOW_HEIGHT 23
#define SCREEN_WIDTH 40
#define SCREEN_HEIGHT 200
#define ROP_CPY 0x40
#define ROP_INV 0xc0
/*-----------------------------------------------------------------------*/
static char moveBuf[7];
/*-----------------------------------------------------------------------*/
extern char hires_CharSet[96][CHAR_HEIGHT];
extern char hires_Pieces[4*7*BOARD_PIECE_WIDTH*BOARD_PIECE_HEIGHT];
/*-----------------------------------------------------------------------*/
static void clrmenu(void);
static void cputs(char* s);
static void gotoxy(int x, int y);
static void revers(char flag);
static void cprintf(char* fmt, char* s);
/*-----------------------------------------------------------------------*/
#define peek(addr) ((unsigned char*)addr)[0]
#define poke(addr, val) {((unsigned char*)addr)[0] = val;}
#define deek(addr) ((unsigned int*)addr)[0]
#define doke(addr, val) {((unsigned int*)addr)[0] = val;}
#define unused(x) (void)(x)
/*-----------------------------------------------------------------------*/
// Names of the pieces NONE, Rook, knight, Bishop, Queen, King, pawn
// static const char sc_pieces[] = {'\0','R','k','B','Q','K','p'};
/*-----------------------------------------------------------------------*/
void plat_Init(void)
{
char i;
unsigned int n;
setup();
clrmenu();
// Show credits and wait for key press
plat_DrawString(2,SCREEN_HEIGHT/2-10-CHAR_HEIGHT/2,
ROP_CPY,gszAbout);
plat_DrawString(1,SCREEN_HEIGHT/2+10-CHAR_HEIGHT/2,
ROP_CPY,"Oric-1/Atmos version by [raxiss], 2020.");
n = 0*2*7*BOARD_PIECE_HEIGHT + 0*7*BOARD_PIECE_HEIGHT + (KING-1);
hires_Draw(SCREEN_WIDTH/2-2,SCREEN_HEIGHT/2-50-BOARD_PIECE_HEIGHT/2,
BOARD_PIECE_WIDTH,BOARD_PIECE_HEIGHT,ROP_CPY,
&hires_Pieces[n*BOARD_PIECE_WIDTH]);
n = 1*2*7*BOARD_PIECE_HEIGHT + 0*7*BOARD_PIECE_HEIGHT + (KING-1);
hires_Draw(SCREEN_WIDTH/2-2,SCREEN_HEIGHT/2+50-BOARD_PIECE_HEIGHT/2,
BOARD_PIECE_WIDTH,BOARD_PIECE_HEIGHT,ROP_CPY,
&hires_Pieces[n*BOARD_PIECE_WIDTH]);
plat_ReadKeys(1);
hires();
// Draw the board border and
// add the A..H and 1..8 tile-keys
for(i=0; i<8; ++i)
{
for(n=0; n<BOARD_PIECE_HEIGHT; ++n)
{
poke(0xa000+(18+i*BOARD_PIECE_HEIGHT+n)*40,0x41);
poke(0xa000+(18+i*BOARD_PIECE_HEIGHT+n)*40+25,0x60);
}
for(n=0; n<BOARD_PIECE_WIDTH; ++n)
{
poke(0xa000+(17+0*BOARD_PIECE_HEIGHT)*40+i*BOARD_PIECE_WIDTH+n+1,0x7f);
poke(0xa000+(18+8*BOARD_PIECE_HEIGHT)*40+i*BOARD_PIECE_WIDTH+n+1,0x7f);
}
plat_DrawChar(2+i*BOARD_PIECE_WIDTH,4,ROP_CPY,i+'A');
plat_DrawChar(26,SCREEN_HEIGHT-22-i*BOARD_PIECE_HEIGHT,ROP_CPY,i+'1');
}
clrmenu();
// Setting this to 0 will not show the "Quit" option in the main menu
gReturnToOS = 1;
}
/*-----------------------------------------------------------------------*/
char plat_Menu(char **menuItems, char height, char *scroller)
{
int keyMask;
char i, j;
clrmenu();
// Show the title or the scroller if that is more relevant.
cputs(scroller == gszAbout ? menuItems[0] : scroller);
// Select the first item
i = 1;
do
{
// Show all the menu items
for(j=1; j<height; ++j)
{
if(!menuItems[j])
break;
gotoxy(((j-1)%2)*SCREEN_WIDTH/2,((j-1)/2)+1);
// Highlight the selected item
if(j==i)
revers(1);
cprintf(" %s ",menuItems[j]);
if(j==i)
revers(0);
}
// Look for user input
keyMask = plat_ReadKeys(1);
if(keyMask & INPUT_MOTION)
{
switch(keyMask & INPUT_MOTION)
{
case INPUT_LEFT:
if(!--i)
i = j-1;
break;
case INPUT_RIGHT:
if(j == ++i)
i = 1;
break;
case INPUT_UP:
if(i > 2)
i -= 2;
else
i = j-1-(i-1)%2;
break;
case INPUT_DOWN:
if(i < j-2)
i += 2;
else
i = 1+(i-1)%2;
break;
}
}
keyMask &= (INPUT_SELECT | INPUT_BACKUP);
} while(keyMask != INPUT_SELECT && keyMask != INPUT_BACKUP);
clrmenu();
// If backing out of the menu, return 0
if(keyMask & INPUT_BACKUP)
return 0;
// Return the selection
return i;
}
/*-----------------------------------------------------------------------*/
extern char hires_xpos;
extern char hires_ypos;
extern char hires_xsize;
extern char hires_ysize;
extern char hires_rop;
extern char hires_clr;
extern char* hires_src;
void hires_MaskA(void);
void hires_DrawA(void);
void hires_DrawCharA(void);
void hires_DrawClrA(void);
void hires_SelectA(void);
/*-----------------------------------------------------------------------*/
void hires_Mask(char xpos, char ypos, char xsize, char ysize, char rop)
{
hires_xpos = xpos;
hires_ypos = ypos;
hires_xsize = xsize;
hires_ysize = ysize;
hires_rop = rop;
hires_MaskA();
}
/*-----------------------------------------------------------------------*/
void hires_Draw(char xpos, char ypos, char xsize, char ysize, char rop, char *src)
{
hires_xpos = xpos;
hires_ypos = ypos;
hires_xsize = xsize;
hires_ysize = ysize;
hires_rop = rop;
hires_src = src;
hires_DrawA();
}
/*-----------------------------------------------------------------------*/
void hires_DrawClr(char xpos, char ypos, char clr)
{
hires_xpos = xpos;
hires_ypos = ypos;
hires_clr = clr;
hires_DrawClrA();
}
/*-----------------------------------------------------------------------*/
void hires_Select(char xpos, char ypos, char xsize, char ysize, char rop, char *src)
{
hires_xpos = xpos;
hires_ypos = ypos;
hires_xsize = xsize;
hires_ysize = ysize;
hires_rop = rop;
hires_src = src;
hires_SelectA();
}
/*-----------------------------------------------------------------------*/
void plat_DrawChar(char xpos, char ypos, char rop, char c)
{
hires_xpos = xpos;
hires_ypos = ypos;
hires_rop = rop;
hires_src = hires_CharSet[c-' '];
hires_DrawCharA();
}
/*-----------------------------------------------------------------------*/
void plat_DrawString(char x, char y, char rop, char *s)
{
while(*s)
plat_DrawChar(x++,y, rop, *s++);
}
/*-----------------------------------------------------------------------*/
void plat_UpdateScreen(void)
{
memset(moveBuf,0x20,6); moveBuf[6] = 0;
plat_DrawString(SCREEN_WIDTH-6,(LOG_WINDOW_HEIGHT+1)*CHAR_HEIGHT,
ROP_CPY,moveBuf);
/*
switch(gOutcome)
{
case OUTCOME_INVALID:
case OUTCOME_OK:
case OUTCOME_CHECK:
case OUTCOME_CHECKMATE:
case OUTCOME_DRAW:
case OUTCOME_STALEMATE:
case OUTCOME_MENU:
case OUTCOME_ABANDON:
case OUTCOME_QUIT:
break;
}
*/
}
/*-----------------------------------------------------------------------*/
void plat_DrawBoard(char clearLog)
{
int i;
if(clearLog)
hires_Mask(27,0,SCREEN_WIDTH-27,SCREEN_HEIGHT,ROP_CPY);
// Redraw all tiles
for(i=0; i<64; ++i)
plat_DrawSquare(i);
}
/*-----------------------------------------------------------------------*/
void plat_DrawSquare(char position)
{
char y = position / 8, x = position & 7;
char piece = gChessBoard[y][x];
char blackWhite = !((x & 1) ^ (y & 1));
char pieceBlackWhite = !(piece & PIECE_WHITE);
unsigned int idx = blackWhite*7*BOARD_PIECE_HEIGHT + (piece&PIECE_DATA);
if(piece) idx += pieceBlackWhite*2*7*BOARD_PIECE_HEIGHT;
hires_Draw(BOARD_X+x*BOARD_PIECE_WIDTH,BOARD_Y+y*BOARD_PIECE_HEIGHT,
BOARD_PIECE_WIDTH,BOARD_PIECE_HEIGHT,ROP_CPY,
&hires_Pieces[idx*BOARD_PIECE_WIDTH]);
// Show the attack numbers
if(gShowAttackBoard)
{
char val[4];
char rop = blackWhite ? ROP_INV : ROP_CPY;
sprintf(val,"%02X%d",gChessBoard[y][x],(gChessBoard[y][x]&PIECE_WHITE)>>7);
plat_DrawChar(BOARD_X+x*BOARD_PIECE_WIDTH,BOARD_Y+(y+1)*BOARD_PIECE_HEIGHT-CHAR_HEIGHT,
rop,(gpAttackBoard[giAttackBoardOffset[position][0]])+'0');
plat_DrawChar(BOARD_X+(x+1)*BOARD_PIECE_WIDTH-1,BOARD_Y+(y+1)*BOARD_PIECE_HEIGHT-CHAR_HEIGHT,
rop,(gpAttackBoard[giAttackBoardOffset[position][1]])+'0');
plat_DrawString(BOARD_X+x*BOARD_PIECE_WIDTH,BOARD_Y+y*BOARD_PIECE_HEIGHT,rop,val);
}
}
/*-----------------------------------------------------------------------*/
void plat_ShowSideToGoLabel(char side)
{
plat_DrawString(28,SCREEN_HEIGHT-CHAR_HEIGHT,
side?ROP_CPY:ROP_INV,gszSideLabel[side]);
}
/*-----------------------------------------------------------------------*/
void plat_Highlight(char position, char color, char cursor)
{
char y = position / 8, x = position & 7;
char sel = color == HCOLOR_ATTACK? 3:2;
memset(moveBuf,0x20,6); moveBuf[6] = 0;
moveBuf[0] = 'A' + (gTile[0] & 7);
moveBuf[1] = '8' - (gTile[0] / 8);
switch(color)
{
case HCOLOR_INVALID: // 2
case HCOLOR_EMPTY: // 4
hires_DrawClr(SCREEN_WIDTH-6-1,(LOG_WINDOW_HEIGHT+1)*CHAR_HEIGHT,1);
moveBuf[2] = 0;
break;
case HCOLOR_ATTACK: // 3
hires_DrawClr(SCREEN_WIDTH-6-1,(LOG_WINDOW_HEIGHT+1)*CHAR_HEIGHT,2);
moveBuf[2] = (gPiece[1] & PIECE_DATA) != NONE ? 'x' : '-';
moveBuf[3] = 'A' + (gTile[1] & 7);
moveBuf[4] = '8' - (gTile[1] / 8);
break;
case HCOLOR_VALID: // 5
hires_DrawClr(SCREEN_WIDTH-6-1,(LOG_WINDOW_HEIGHT+1)*CHAR_HEIGHT,2);
moveBuf[2] = 0;
break;
case HCOLOR_SELECTED: // 6
moveBuf[2] = (gPiece[1] & PIECE_DATA) != NONE ? 'x' : '-';
moveBuf[3] = 'A' + (gTile[1] & 7);
moveBuf[4] = '8' - (gTile[1] / 8);
break;
}
plat_DrawString(SCREEN_WIDTH-6,(LOG_WINDOW_HEIGHT+1)*CHAR_HEIGHT,
color?ROP_CPY:ROP_INV,moveBuf);
plat_DrawSquare(position);
hires_Select(BOARD_X+x*BOARD_PIECE_WIDTH,BOARD_Y+y*BOARD_PIECE_HEIGHT,
BOARD_PIECE_WIDTH,BOARD_PIECE_HEIGHT,ROP_CPY,
&hires_Pieces[sel*7*BOARD_PIECE_HEIGHT*BOARD_PIECE_WIDTH]);
unused(cursor); // silence compiler
}
/*-----------------------------------------------------------------------*/
void plat_ShowMessage(char *str, char color)
{
plat_DrawString(26,0,ROP_CPY,str);
unused(color); // silence compiler
}
/*-----------------------------------------------------------------------*/
void plat_ClearMessage(void)
{
hires_Mask(26,0,7,CHAR_HEIGHT,ROP_CPY);
}
/*-----------------------------------------------------------------------*/
void plat_AddToLogWin(void)
{
char y;
for(y=0; y<=LOG_WINDOW_HEIGHT; ++y)
{
hires_Mask(SCREEN_WIDTH-6,y*CHAR_HEIGHT,
6,CHAR_HEIGHT,ROP_CPY);
if(undo_FindUndoLine(LOG_WINDOW_HEIGHT-y))
{
frontend_FormatLogString();
// force 2 empty lines
if(1<y)
{
plat_DrawString(SCREEN_WIDTH-6,y*CHAR_HEIGHT,
gColor[0]?ROP_CPY:ROP_INV,gLogStrBuffer);
}
}
}
}
/*-----------------------------------------------------------------------*/
void plat_AddToLogWinTop(void)
{
plat_AddToLogWin();
}
/*-----------------------------------------------------------------------*/
int plat_ReadKeys(char blocking)
{
char key = 0;
int keyMask = 0;
if(blocking)
{
do key = getkey(); while(!key);
}
else
key = getkey();
switch(key)
{
case KEY_LEFT:
keyMask |= INPUT_LEFT;
break;
case KEY_RIGHT:
keyMask |= INPUT_RIGHT;
break;
case KEY_UP:
keyMask |= INPUT_UP;
break;
case KEY_DOWN:
keyMask |= INPUT_DOWN;
break;
case KEY_ESC:
keyMask |= INPUT_BACKUP;
break;
case KEY_RETURN:
keyMask |= INPUT_SELECT;
break;
case 'A':
case 'a': // Show Attackers
keyMask |= INPUT_TOGGLE_A;
break;
case 'B':
case 'b': // Board attacks - Show all attacks
keyMask |= INPUT_TOGGLE_B;
break;
case 'D':
case 'd': // Show Defenders
keyMask |= INPUT_TOGGLE_D;
break;
case 'M':
case 'm':
keyMask |= INPUT_MENU;
break;
case 'R':
case 'r':
keyMask |= INPUT_REDO;
break;
case 'U':
case 'u':
keyMask |= INPUT_UNDO;
break;
}
return keyMask;
}
void plat_Shutdown(void)
{
quit();
}
static char* scrptr = (char*)(0xbb80+25*40);
static char inverse = 0x00;
void clrmenu(void)
{
memset((void*)(0xbb80+25*40), 0x20, 3*40);
scrptr = (char*)(0xbb80+25*40);
}
void cputs(char* s)
{
while(s && *s)
*scrptr++ = inverse | *s++;
}
void gotoxy(int x, int y)
{
scrptr = (char*)(0xbb80+(25+y)*40+x);
}
void revers(char flag)
{
inverse = flag? 0x80:0x00;
}
void cprintf(char* fmt, char* s)
{
static char temp[64];
sprintf(temp, fmt, s);
cputs(temp);
}
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