Vastly overhauled the UI, there's now a completely new Settings dialog as well as a status bar with disk activity icons and removable drive menus;
Thoroughly clean up the code to vastly reduce the number of compiler warnings and found and fixed several bugs in the process; Applied all mainline PCem commits; Added SCSI hard disk emulation; Commented out all unfinished machines and graphics cards; Added the AOpen AP53 and ASUS P/I-P55T2 machines as well as another Tyan 440FX machine, all three with AMI WinBIOS (patch from TheCollector1995); Added the Diamond Stealth 3D 3000 (S3 ViRGE/VX) graphics card (patch from TheCollector1995); Added the PS/2 XT IDE (AccuLogic) HDD Controller (patch from TheCollector1995); Added Microsoft/Logitech Bus Mouse emulation (patch from waltje); Overhauled the makefiles (patch from waltje); Added the Adaptec AHA-1542CF SCSI controller (patch from waltje); Added preliminary (but still unfinished) Adaptec AHA-154x SCSI controller BIOS support (patch from waltje); Added an ISABugger debugging device (patch from waltje); Added sanity checks to the Direct3D code.
This commit is contained in:
32
src/pic.c
32
src/pic.c
@@ -1,6 +1,7 @@
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#include "ibm.h"
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#include "io.h"
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#include "pic.h"
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#include "pit.h"
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int output;
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int intclear;
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@@ -56,7 +57,6 @@ void pic_update_mask(uint8_t *mask, uint8_t ins)
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if (ins & (1 << c))
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{
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*mask = 0xff << c;
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// pclog("Mask is: %02X\n", *mask);
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return;
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}
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}
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@@ -88,21 +88,16 @@ static void pic_autoeoi()
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void pic_write(uint16_t addr, uint8_t val, void *priv)
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{
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int c;
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// if (addr&1) pclog("Write PIC %04X %02X %04X(%06X):%04X\n",addr,val,CS,cs,cpu_state.pc);
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if (addr&1)
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{
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// pclog("PIC ICW is: %i\n", pic.icw);
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switch (pic.icw)
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{
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case 0: /*OCW1*/
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// printf("Write mask %02X %04X:%04X\n",val,CS,pc);
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pic.mask=val;
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pic_updatepending();
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break;
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case 1: /*ICW2*/
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pic.vector=val&0xF8;
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// printf("PIC vector now %02X\n",pic.vector);
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// output=1;
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if (pic.icw1&2) pic.icw=3;
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else pic.icw=2;
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break;
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@@ -112,7 +107,6 @@ void pic_write(uint16_t addr, uint8_t val, void *priv)
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break;
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case 3: /*ICW4*/
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pic.icw4 = val;
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// pclog("ICW4 = %02x\n", val);
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pic.icw=0;
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break;
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}
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@@ -121,7 +115,6 @@ void pic_write(uint16_t addr, uint8_t val, void *priv)
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{
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if (val&16) /*ICW1*/
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{
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// pclog("ICW1 = %02x\n", val);
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pic.mask = 0;
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pic.mask2=0;
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pic.icw=1;
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@@ -131,10 +124,8 @@ void pic_write(uint16_t addr, uint8_t val, void *priv)
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}
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else if (!(val&8)) /*OCW2*/
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{
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// printf("Clear ints - %02X %02X\n",pic.ins,val);
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if ((val&0xE0)==0x60)
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{
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// pclog("Specific EOI - %02X %i\n",pic.ins,1<<(val&7));
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pic.ins&=~(1<<(val&7));
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pic_update_mask(&pic.mask2, pic.ins);
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if (AT)
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@@ -142,8 +133,6 @@ void pic_write(uint16_t addr, uint8_t val, void *priv)
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if ((val&7) == 2 && (pic2.pend&~pic2.mask)&~pic2.mask2)
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pic.pend |= (1 << 2);
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}
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// pic.pend&=(1<<(val&7));
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// if ((val&7)==1) pollkeywaiting();
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pic_updatepending();
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}
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else
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@@ -164,10 +153,8 @@ void pic_write(uint16_t addr, uint8_t val, void *priv)
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if (c==1 && keywaiting)
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{
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intclear&=~1;
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// pollkeywaiting();
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}
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pic_updatepending();
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// pclog("Generic EOI - Cleared int %i\n",c);
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return;
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}
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}
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@@ -175,9 +162,8 @@ void pic_write(uint16_t addr, uint8_t val, void *priv)
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}
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else /*OCW3*/
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{
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// if (val&4) fatal("PIC1 write OCW3 4 %02X\n",val);
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if (val&2) pic.read=(val&1);
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if (val&0x40) { } //fatal("PIC 1 write OCW3 40 %02X\n",val);
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if (val&0x40) { }
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}
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}
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}
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@@ -186,7 +172,6 @@ uint8_t pic_read(uint16_t addr, void *priv)
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{
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if (addr&1) { /*pclog("Read PIC mask %02X\n",pic.mask);*/ return pic.mask; }
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if (pic.read) { /*pclog("Read PIC ins %02X\n",pic.ins);*/ return pic.ins | (pic2.ins ? 4 : 0); }
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// pclog("Read PIC pend %02X %08X\n",pic.pend,EDX);
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return pic.pend;
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}
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@@ -215,19 +200,16 @@ static void pic2_autoeoi()
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void pic2_write(uint16_t addr, uint8_t val, void *priv)
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{
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int c;
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// pclog("Write PIC2 %04X %02X %04X:%04X %i\n",addr,val,CS,pc,ins);
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if (addr&1)
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{
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switch (pic2.icw)
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{
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case 0: /*OCW1*/
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// printf("PIC2 Write mask %02X %04X:%04X\n",val,CS,pc);
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pic2.mask=val;
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pic_updatepending();
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break;
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case 1: /*ICW2*/
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pic2.vector=val&0xF8;
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// pclog("PIC2 vector %02X\n", val & 0xf8);
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if (pic2.icw1&2) pic2.icw=3;
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else pic2.icw=2;
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break;
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@@ -301,18 +283,14 @@ void clearpic()
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{
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pic.pend=pic.ins=0;
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pic_updatepending();
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// pclog("Clear PIC\n");
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}
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int pic_current[16];
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void picint(uint16_t num)
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{
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int old_pend = pic_intpending;
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if (AT && (num == (1 << 2)))
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num = 1 << 9;
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// pclog("picint : %04X\n", num);
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// if (num == 0x10) pclog("PICINT 10\n");
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if (num>0xFF)
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{
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if (!AT)
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@@ -348,7 +326,6 @@ void picintlevel(uint16_t num)
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c = 9;
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num = 1 << 9;
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}
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// pclog("INTLEVEL %04X %i\n", num, c);
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if (!pic_current[c])
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{
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pic_current[c]=1;
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@@ -379,7 +356,6 @@ void picintc(uint16_t num)
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c = 9;
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num = 1 << 9;
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}
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// pclog("INTC %04X %i\n", num, c);
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pic_current[c]=0;
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if (num > 0xff)
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@@ -411,7 +387,10 @@ uint8_t picinterrupt()
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pic.pend &= ~(1 << c);
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pic.ins |= (1 << c);
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pic_update_mask(&pic.mask2, pic.ins);
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pic_updatepending();
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if (!c)
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pit_set_gate(&pit2, 0, 0);
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if (pic.icw4 & 0x02)
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pic_autoeoi();
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@@ -445,7 +424,6 @@ uint8_t picinterrupt()
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pic2.ins |= (1 << c);
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pic_update_mask(&pic2.mask2, pic2.ins);
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// pic.pend &= ~(1 << c);
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pic.ins |= (1 << 2); /*Cascade IRQ*/
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pic_update_mask(&pic.mask2, pic.ins);
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