Add missing files from last commit.

2013-05-27 19:56:33 +01:00 · 2013-05-27 19:56:33 +01:00 · f822488656
commit f822488656
parent 9312de19ac
89 changed files with 18428 additions and 6383 deletions
--- a/src/vid_ati18800.c
+++ b/src/vid_ati18800.c
@ -0,0 +1,142 @@
+/*ATI 18800 emulation (VGA Edge-16)*/
+#include "ibm.h"
+#include "io.h"
+#include "video.h"
+#include "vid_ati_eeprom.h"
+#include "vid_svga.h"
+
+static uint8_t ati_regs[256];
+static int ati_index;
+
+void ati18800_out(uint16_t addr, uint8_t val, void *priv)
+{
+        uint8_t old;
+        
+        pclog("ati18800_out : %04X %02X  %04X:%04X\n", addr, val, CS,pc);
+                
+        if (((addr&0xFFF0) == 0x3D0 || (addr&0xFFF0) == 0x3B0) && !(svga_miscout&1)) addr ^= 0x60;
+
+        switch (addr)
+        {
+                case 0x1ce:
+                ati_index = val;
+                break;
+                case 0x1cf:
+                ati_regs[ati_index] = val;
+                switch (ati_index)
+                {
+                        case 0xb2:
+                        case 0xbe:
+                        if (ati_regs[0xbe] & 8) /*Read/write bank mode*/
+                        {
+                                svgarbank = ((ati_regs[0xb2] >> 5) & 7) * 0x10000;
+                                svgawbank = ((ati_regs[0xb2] >> 1) & 7) * 0x10000;
+                        }
+                        else                    /*Single bank mode*/
+                                svgarbank = svgawbank = ((ati_regs[0xb2] >> 1) & 7) * 0x10000;
+                        break;
+                        case 0xb3:
+                        ati_eeprom_write(val & 8, val & 2, val & 1);
+                        break;
+                }
+                break;
+                
+                case 0x3D4:
+                crtcreg = val & 0x3f;
+                return;
+                case 0x3D5:
+                if (crtcreg <= 7 && crtc[0x11] & 0x80) return;
+                old=crtc[crtcreg];
+                crtc[crtcreg]=val;
+                if (old!=val)
+                {
+                        if (crtcreg<0xE || crtcreg>0x10)
+                        {
+                                fullchange=changeframecount;
+                                svga_recalctimings();
+                        }
+                }
+                break;
+        }
+        svga_out(addr, val, NULL);
+}
+
+uint8_t ati18800_in(uint16_t addr, void *priv)
+{
+        uint8_t temp;
+
+        if (addr != 0x3da) pclog("ati18800_in : %04X ", addr);
+                
+        if (((addr&0xFFF0) == 0x3D0 || (addr&0xFFF0) == 0x3B0) && !(svga_miscout&1)) addr ^= 0x60;
+             
+        switch (addr)
+        {
+                case 0x1ce:
+                temp = ati_index;
+                break;
+                case 0x1cf:
+                switch (ati_index)
+                {
+                        case 0xb7:
+                        temp = ati_regs[ati_index] & ~8;
+                        if (ati_eeprom_read())
+                                temp |= 8;
+                        break;
+                        
+                        default:
+                        temp = ati_regs[ati_index];
+                        break;
+                }
+                break;
+
+                case 0x3D4:
+                temp = crtcreg;
+                break;
+                case 0x3D5:
+                temp = crtc[crtcreg];
+                break;
+                default:
+                temp = svga_in(addr, NULL);
+                break;
+        }
+        if (addr != 0x3da) pclog("%02X  %04X:%04X\n", temp, CS,pc);
+        return temp;
+}
+
+int ati18800_init()
+{
+        svga_recalctimings_ex = NULL;
+        svga_vram_limit = 1 << 19; /*512kb*/
+        vrammask = 0x7ffff;
+        svgawbank = svgarbank = 0;
+        bpp = 8;
+        svga_miscout = 1;
+        
+        io_sethandler(0x01ce, 0x0002, ati18800_in, NULL, NULL, ati18800_out, NULL, NULL,  NULL);
+        
+        ati_eeprom_load("ati18800.nvr", 0);
+        
+        return svga_init();
+}
+
+GFXCARD vid_ati18800 =
+{
+        ati18800_init,
+        /*IO at 3Cx/3Dx*/
+        ati18800_out,
+        ati18800_in,
+        /*IO at 3Ax/3Bx*/
+        video_out_null,
+        video_in_null,
+
+        svga_poll,
+        svga_recalctimings,
+
+        svga_write,
+        video_write_null,
+        video_write_null,
+
+        svga_read,
+        video_read_null,
+        video_read_null
+};