From 575569b2d56c3bf7c214effcb2a0e4acd576a0af Mon Sep 17 00:00:00 2001 From: sparky4 Date: Wed, 23 Mar 2016 13:59:57 -0500 Subject: [PATCH] wwww --- src/tesuto.c | 264 +++++++++++++++++++++------------------------------ src/tesuto.h | 4 +- 2 files changed, 112 insertions(+), 156 deletions(-) diff --git a/src/tesuto.c b/src/tesuto.c index 983110b3..4c328fda 100755 --- a/src/tesuto.c +++ b/src/tesuto.c @@ -1,154 +1,110 @@ -#include "src/tesuto.h" -/* -#include -#include // this is where Open Watcom hides the outp() etc. functions -#include -#include -#include -#include -#include -#include -#include -*/ - -global_game_variables_t gvar; - -#pragma pack(push,1) -struct vrl_header { - uint8_t vrl_sig[4]; // +0x00 "VRL1" - uint8_t fmt_sig[4]; // +0x04 "VGAX" - uint16_t height; // +0x08 Sprite height - uint16_t width; // +0x0A Sprite width - int16_t hotspot_x; // +0x0C Hotspot offset (X) for programmer's reference - int16_t hotspot_y; // +0x0E Hotspot offset (Y) for programmer's reference -}; // =0x10 -#pragma pack(pop) - -static unsigned char palette[768]; - -void draw_vrl_modex(unsigned int x,unsigned int y,struct vrl_header *hdr,unsigned char *data,unsigned int datasz) { - unsigned int vram_offset = (y * vga_stride) + (x >> 2); - unsigned char *fence = data + datasz; - unsigned char vga_plane = (x & 3); - unsigned char run,skip,b; - unsigned char far *draw; - - while (data < fence) { - /* start of another vertical strip */ - draw = vga_graphics_ram + vram_offset; - vga_write_sequencer(0x02/*map mask*/,1 << vga_plane); - - while (data < fence) { - run = *data++; - if (run == 0xFF) break; - skip = *data++; - draw += skip * vga_stride; - if (run & 0x80) { - b = *data++; - while (run > 0x80) { - *draw = b; - draw += vga_stride; - run--; - } - } - else { - while (run > 0) { - *draw = *data++; - draw += vga_stride; - run--; - } - } - } - - /* end of a vertical strip. next line? */ - if ((++vga_plane) == 4) { - vram_offset++; - vga_plane = 0; - } - } - - vga_write_sequencer(0x02/*map mask*/,0xF); -} - -int main(int argc,char **argv) { - struct vrl_header *vrl_header; - unsigned char *buffer; - unsigned int bufsz; - int fd; - - if (argc < 3) { - fprintf(stderr,"drawvrl \n"); - return 1; - } - - fd = open(argv[1],O_RDONLY|O_BINARY); - if (fd < 0) { - fprintf(stderr,"Unable to open '%s'\n",argv[1]); - return 1; - } - { - unsigned long sz = lseek(fd,0,SEEK_END); - if (sz < sizeof(vrl_header)) return 1; - if (sz >= 65535UL) return 1; - - bufsz = (unsigned int)sz; - buffer = malloc(bufsz); - if (buffer == NULL) return 1; - - lseek(fd,0,SEEK_SET); - if ((unsigned int)read(fd,buffer,bufsz) < bufsz) return 1; - - vrl_header = (struct vrl_header*)buffer; - if (memcmp(vrl_header->vrl_sig,"VRL1",4) || memcmp(vrl_header->fmt_sig,"VGAX",4)) return 1; - if (vrl_header->width == 0 || vrl_header->height == 0) return 1; - } - close(fd); - - probe_dos(); - if (!probe_vga()) { - printf("VGA probe failed\n"); - return 1; - } - int10_setmode(19); - update_state_from_vga(); - //vga_enable_256color_modex(); // VGA mode X - VGAmodeX(1, &gvar); - - /* load color palette */ - fd = open(argv[2],O_RDONLY|O_BINARY); - if (fd >= 0) { - unsigned int i; - - read(fd,palette,768); - close(fd); - - vga_palette_lseek(0); - for (i=0;i < 256;i++) vga_palette_write(palette[(i*3)+0]>>2,palette[(i*3)+1]>>2,palette[(i*3)+2]>>2); - } - - draw_vrl_modex(0,0,vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); - while (getch() != 13); - - { - unsigned int i; - - for (i=1;i < 320;i++) - draw_vrl_modex(i,0,vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); - } - while (getch() != 13); - - { - unsigned int i; - - for (i=1;i < 200;i++) - draw_vrl_modex(i,i,vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); - } - while (getch() != 13); - - int10_setmode(3); - //VGAmodeX(0, &gvar); - buffer = NULL; - free(buffer); - bufsz = 0; - return 0; -} +#include "src/tesuto.h" + +static unsigned char palette[768]; +global_game_variables_t gvar; + +int main(int argc,char **argv) { + struct vrl1_vgax_header *vrl_header; + vrl1_vgax_offset_t *vrl_lineoffs; + unsigned char *buffer; + unsigned int bufsz; + int fd; + + if (argc < 3) { + fprintf(stderr,"drawvrl \n"); + return 1; + } + + fd = open(argv[1],O_RDONLY|O_BINARY); + if (fd < 0) { + fprintf(stderr,"Unable to open '%s'\n",argv[1]); + return 1; + } + { + unsigned long sz = lseek(fd,0,SEEK_END); + if (sz < sizeof(*vrl_header)) return 1; + if (sz >= 65535UL) return 1; + + bufsz = (unsigned int)sz; + buffer = malloc(bufsz); + if (buffer == NULL) return 1; + + lseek(fd,0,SEEK_SET); + if ((unsigned int)read(fd,buffer,bufsz) < bufsz) return 1; + + vrl_header = (struct vrl1_vgax_header*)buffer; + if (memcmp(vrl_header->vrl_sig,"VRL1",4) || memcmp(vrl_header->fmt_sig,"VGAX",4)) return 1; + if (vrl_header->width == 0 || vrl_header->height == 0) return 1; + } + close(fd); + + probe_dos(); + if (!probe_vga()) { + printf("VGA probe failed\n"); + return 1; + } + int10_setmode(19); + update_state_from_vga(); + VGAmodeX(1, &gvar); + //vga_enable_256color_modex(); // VGA mode X + + + /* load color palette */ + fd = open(argv[2],O_RDONLY|O_BINARY); + if (fd >= 0) { + unsigned int i; + + read(fd,palette,768); + close(fd); + + vga_palette_lseek(0); + for (i=0;i < 256;i++) vga_palette_write(palette[(i*3)+0]>>2,palette[(i*3)+1]>>2,palette[(i*3)+2]>>2); + } + + /* preprocess the sprite to generate line offsets */ + vrl_lineoffs = vrl1_vgax_genlineoffsets(vrl_header,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); + if (vrl_lineoffs == NULL) return 1; + + draw_vrl1_vgax_modex(0,0,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); + while (getch() != 13); + + { + unsigned int i; + + for (i=1;i < 320;i++) + draw_vrl1_vgax_modex(i,0,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); + } + while (getch() != 13); + + { + unsigned int i; + + for (i=1;i < 200;i++) + draw_vrl1_vgax_modex(i,i,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); + } + while (getch() != 13); + + { + unsigned int i; + + for (i=(2 << 6)/*200%*/;i >= (1 << 4)/*25%*/;i--) + draw_vrl1_vgax_modexstretch(0,0,i,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); + } + while (getch() != 13); + { + unsigned int i; + + for (i=(2 << 6)/*200%*/;i >= (1 << 4)/*25%*/;i--) + draw_vrl1_vgax_modexystretch(0,0,i,i,vrl_header,vrl_lineoffs,buffer+sizeof(*vrl_header),bufsz-sizeof(*vrl_header)); + } + while (getch() != 13); + + int10_setmode(3); + //VGAmodeX(0, &gvar); + free(vrl_lineoffs); + buffer = NULL; + free(buffer); + bufsz = 0; + return 0; +} + diff --git a/src/tesuto.h b/src/tesuto.h index 056727b2..2464962f 100755 --- a/src/tesuto.h +++ b/src/tesuto.h @@ -4,9 +4,9 @@ #include "src/lib/16_head.h" #include "src/lib/modex16.h" #include -#include #include - +#include +#include typedef unsigned char far *VGA_RAM_PTR; //VGA_RAM_PTR vga_graphics_ram = (VGA_RAM_PTR)MK_FP(0xA000,0x0000); -- 2.39.5