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New target supervision

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2497 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2003-10-10 16:44:20 +00:00
parent e08261dff3
commit 6afee6fb05
8 changed files with 361 additions and 31 deletions
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113
include/supervision.h Normal file
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/*****************************************************************************/
/* */
/* supervision.h */
/* */
/* Supervision specific definitions */
/* */
/* */
/* */
/* 2003 Peter Trauner (trap@utanet.at) */
/* */
/* */
/* This software is provided "as-is," without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment, in the product's documentation, */
/* would be appreciated, but is not required. */
/* 2. Alterred source versions must be marked plainly as such, */
/* and must not be misrepresented as being the original software. */
/* 3. This notice may not be removed or alterred */
/* from any source distribution. */
/* */
/*****************************************************************************/
#ifndef _SUPERVISION_H
#define _SUPERVISION_H
/* Check for errors */
#if !defined(__SUPERVISION__)
# error This module may only be used when compiling for the Supervision!
#endif
/*****************************************************************************/
/* Data */
/*****************************************************************************/
struct __sv_lcd {
unsigned char width;
unsigned char height;
unsigned char xpos;
unsigned char ypos;
};
#define SV_LCD ((struct __sv_lcd*)0x2000)
struct __sv_tone {
unsigned delay;
unsigned char control;
unsigned char timer;
};
#define SV_RIGHT ((struct __sv_tone*)0x2010)
#define SV_LEFT ((struct __sv_tone*)0x2014)
struct __sv_noise {
unsigned char volume; /* and frequency */
unsigned char timer;
unsigned char control;
};
#define SV_NOISE ((struct __sv_noise*)0x2028)
struct __io_port {
unsigned char in;
unsigned char out;
};
#define IO_PORT ((struct __io_port*)(0x2021)
struct __sv_dma {
unsigned start;
unsigned char size;
unsigned char control;
unsigned char on;
};
#define SV_DMA ((struct __sv_dma*)0x2018)
#define SV_CONTROL (*(unsigned char*)0x2020)
#define SV_BANK (*(unsigned char*)0x2026)
#define SV_BANK_COMBINE(nmi,irq_timer,irq_dma,lcd_on, timer_prescale, bank) \
((nmi)?1:0)|((irq_timer)?2:0)|((irq_dma)?4:0)|((lcd_on)?8:0) \
|((timer_prescale)?0x10:0)|((bank)<<5)
#define SV_VIDEO ((unsigned char*)0x4000)
#define SV_TIMER_COUNT (*(unsigned char*)0x2023)
/* Counters incremented asynchronously!
* If you want more complex, copy the crt0.s file from the libsrc/supervision
* directory and code them yourself (in assembler)
*/
extern unsigned char sv_nmi_counter;
extern unsigned char sv_timer_irq_counter;
extern unsigned char sv_timer_dma_counter;
/* End of supervision.h */
#endif