CFFA1 integration changed to be a loadable module outside of the ROM

This commit is contained in:
Sampo Peltonen 2014-04-24 00:18:22 +03:00
parent 47a7635412
commit 53f87e0ee0
4 changed files with 32 additions and 13 deletions

View File

@ -9,18 +9,17 @@
#define CFFA1_OPENDIR 0x10
#define CFFA1_READDIR 0x12
#define CFFA1_READFILE 0x22
#define CFFA1_DESTINATION 0x0
#define CFFA1_FILENAME 0x2
#define CFFA1_FILESIZE 0x9
#define CFFA1_ENTRYPTR 0xB
#define CFFA1_E_FILENOTFOUND 0x46
byte fileNames[FILE_LIST_LEN][1+16+2];
#pragma codeseg ("CODERAM")
byte fileNames[FILE_LIST_LEN][1+16+2]; // filename length + filename + file length
/* returns file length, 0 if nothing loaded */
word loadFile(word destination) {
byte i;
byte l;

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@ -2,6 +2,11 @@
#ifndef CFFA1_H_
#define CFFA1_H_
#define CFFA1_DESTINATION 0x0
#define CFFA1_FILENAME 0x2
#define CFFA1_READFILE 0x22
#include "vicilib.h"
extern void gotoCFFA1();

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@ -1,7 +1,8 @@
MEMORY {
ZP: start = $0020, size = $00C0, define = yes;
HEADER: start = $0000, size = $0004, file = "";
RAM: start = $7000, size = $1000, type = rw, define = yes;
RAM: start = $6000, size = $1000, type = rw, define = yes;
RAMC: start = $7000, size = $1000, type = rw, define = yes, file = "VICIOUSCFFA1";
ROM: start = $B000, size = $F00, type = ro, define = yes, file = %O, fill = yes;
}
SEGMENTS {
@ -11,6 +12,7 @@ SEGMENTS {
LOWCODE: load = ROM, type = ro, optional = yes;
INIT: load = ROM, type = ro, define = yes, optional = yes;
CODE: load = ROM, type = ro;
CODERAM: load = RAMC, type = ro;
RODATA: load = ROM, type = ro;
DATA: load = ROM, run = RAM, type = rw, define = yes;
BSS: load = RAM, type = bss, define = yes;

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@ -5,16 +5,31 @@
//extern word Destination;
byte const CFFA_MODULE_FILENAME[] = { 12, 'V', 'I', 'C', 'I', 'O', 'U', 'S', 'C', 'F', 'F', 'A', '1' };
int main (void)
{
byte keybInput = 0;
word fileLength;
initVicilib();
// is CFFA module loaded?
// if not, is CFFA card present?
// if it is, try to load VICIOUSCFFA1
POKEW(CFFA1_DESTINATION, 0x7000);
POKEW(CFFA1_FILENAME, (word)&CFFA_MODULE_FILENAME[0]);
if(callCFFA1API(CFFA1_READFILE)!=0) {
prints("\rERROR LOADING CFFA1 MODULE\r");
}
while(keybInput!='Q') {
prints("\rVICIOUS> ");
keybInput = readkey() - 0x80;
switch (keybInput) {
case 'P':
playSidFile(0x1000, 0x2000);
playSidFile(0x1000, 0x2000); // file length is just a guess, it's not known
break;
case 'S':
prints("\rSTOP PLAYING\r");
@ -26,18 +41,16 @@ int main (void)
break;
case 'L':
stopPlaying();
playSidFile(0x1000, loadFile(0x1000));
if((fileLength = loadFile(0x1000))!=0) {
playSidFile(0x1000, fileLength);
}
break;
case 'Q':
prints("\rQUIT\r");
break;
default:
prints("\r\r VICIOUS MENU (0.9)\r ------------------");
prints("\r P - PLAY SID TUNE");
prints("\r S - STOP PLAYING");
prints("\r C - CFFA1");
prints("\r L - LOAD & PLAY SID TUNE");
prints("\r Q - QUIT\r");
prints("\r\r VICIOUS MENU (0.9)\r ------------------\r P - PLAY SID TUNE AT $1000");
prints("\r S - STOP PLAYING\r C - CFFA1\r L - LOAD & PLAY SID TUNE\r Q - QUIT\r");
break;
}