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| version 1.12, 2004/02/18 03:56:57 | version 1.18, 2004/06/02 11:02:53 |
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| Line 3 | Line 3 |
| #include "cpucore.h" | #include "cpucore.h" |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| #include "gdc_sub.h" | |
| #include "gdc_pset.h" | #include "gdc_pset.h" |
| #include "vram.h" | #include "vram.h" |
| Line 20 typedef struct { | Line 21 typedef struct { |
| SINT16 y2; | SINT16 y2; |
| } VECTDIR; | } VECTDIR; |
| const UINT32 gdcplaneseg[4] = {VRAM_E, VRAM_B, VRAM_R, VRAM_G}; | |
| static UINT16 gdc_rt[RT_TABLEMAX+1]; | static UINT16 gdc_rt[RT_TABLEMAX+1]; |
| static const VECTDIR vectdir[16] = { | static const VECTDIR vectdir[16] = { |
| Line 36 static const VECTDIR vectdir[16] = { | Line 39 static const VECTDIR vectdir[16] = { |
| #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) | #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) |
| const UINT8 gdcbitreverse[0x100] = { | const UINT8 gdcbitreverse[0x100] = { |
| 0x00, 0x01, 0x01, 0x03, 0x01, 0x05, 0x03, 0x07, | 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, |
| 0x01, 0x09, 0x05, 0x0d, 0x03, 0x0b, 0x07, 0x0f, | 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, |
| 0x01, 0x11, 0x09, 0x19, 0x05, 0x15, 0x0d, 0x1d, | 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, |
| 0x03, 0x13, 0x0b, 0x1b, 0x07, 0x17, 0x0f, 0x1f, | 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, |
| 0x01, 0x21, 0x11, 0x31, 0x09, 0x29, 0x19, 0x39, | 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, |
| 0x05, 0x25, 0x15, 0x35, 0x0d, 0x2d, 0x1d, 0x3d, | 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, |
| 0x03, 0x23, 0x13, 0x33, 0x0b, 0x2b, 0x1b, 0x3b, | 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, |
| 0x07, 0x27, 0x17, 0x37, 0x0f, 0x2f, 0x1f, 0x3f, | 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, |
| 0x01, 0x41, 0x21, 0x61, 0x11, 0x51, 0x31, 0x71, | 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, |
| 0x09, 0x49, 0x29, 0x69, 0x19, 0x59, 0x39, 0x79, | 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, |
| 0x05, 0x45, 0x25, 0x65, 0x15, 0x55, 0x35, 0x75, | 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, |
| 0x0d, 0x4d, 0x2d, 0x6d, 0x1d, 0x5d, 0x3d, 0x7d, | 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, |
| 0x03, 0x43, 0x23, 0x63, 0x13, 0x53, 0x33, 0x73, | 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, |
| 0x0b, 0x4b, 0x2b, 0x6b, 0x1b, 0x5b, 0x3b, 0x7b, | 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, |
| 0x07, 0x47, 0x27, 0x67, 0x17, 0x57, 0x37, 0x77, | 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, |
| 0x0f, 0x4f, 0x2f, 0x6f, 0x1f, 0x5f, 0x3f, 0x7f, | 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, |
| 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, | 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, |
| 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, | 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, |
| 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, | 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, |
| Line 85 REG8 gdcbitreverse(REG8 data) { | Line 88 REG8 gdcbitreverse(REG8 data) { |
| #endif | #endif |
| void gdcsub_init(void) { | void gdcsub_initialize(void) { |
| int i; | int i; |
| Line 102 void gdcslavewait(NEVENTITEM item) { | Line 105 void gdcslavewait(NEVENTITEM item) { |
| } | } |
| } | } |
| void gdcsub_setslavewait(UINT32 wait) { | |
| SINT32 clk; | |
| clk = nevent_getremain(NEVENT_GDCSLAVE); | |
| if (clk < 0) { | |
| clk = 0; | |
| } | |
| gdc.s_drawing = 8; // GDC DRAWING! | |
| nevent_set(NEVENT_GDCSLAVE, clk + wait, gdcslavewait, NEVENT_ABSOLUTE); | |
| } | |
| static void calc_gdcslavewait(UINT dots) { | static void calc_gdcslavewait(UINT dots) { |
| SINT32 clk; | SINT32 clk; |
| clk = dots; | clk = dots; |
| if (pccore.baseclock != PCBASECLOCK20) { | if (pccore.cpumode & CPUMODE_8MHZ) { |
| clk *= 27648; | clk *= 22464; |
| } | } |
| else { | else { |
| clk *= 22464; | clk *= 27648; |
| } | } |
| clk *= pccore.multiple; | clk *= pccore.multiple; |
| clk /= 15625; | clk /= 15625; |
| clk += 30 * pccore.multiple; | clk += 30 * pccore.multiple; |
| gdc.s_drawing = 8; // GDC DRAWING! | gdcsub_setslavewait(clk); |
| nevent_set(NEVENT_GDCSLAVE, clk, gdcslavewait, NEVENT_ABSOLUTE); | } |
| void gdcsub_setvectl(GDCVECT *vect, int x1, int y1, int x2, int y2) { | |
| UINT ope; | |
| int dy; | |
| int dx; | |
| int tmp; | |
| ope = 0; | |
| dy = y2 - y1; | |
| if (dy < 0) { | |
| dy = 0 - dy; | |
| } | |
| dx = x2 - x1; | |
| if (dx == 0) { | |
| if (y1 <= y2) { | |
| ope = 7; | |
| } | |
| else { | |
| ope = 3; | |
| } | |
| } | |
| else { | |
| if (dx > 0) { | |
| if (y1 >= y2) { | |
| ope += 2; | |
| } | |
| } | |
| else { | |
| dx = 0 - dx; | |
| ope += 4; | |
| if (y1 <= y2) { | |
| ope += 2; | |
| } | |
| } | |
| if (ope & 2) { | |
| if (dx <= dy) { | |
| ope += 1; | |
| } | |
| } | |
| else { | |
| if (dx >= dy) { | |
| ope += 1; | |
| } | |
| } | |
| } | |
| if (!((ope + 1) & 2)) { | |
| tmp = dx; | |
| dx = dy; | |
| dy = tmp; | |
| } | |
| vect->ope = (UINT8)(ope + 0x08); | |
| STOREINTELWORD(vect->DC, (UINT16)dx); | |
| dy = dy * 2; | |
| STOREINTELWORD(vect->D1, (UINT16)dy); | |
| dy -= dx; | |
| STOREINTELWORD(vect->D, (UINT16)dy); | |
| dy -= dx; | |
| STOREINTELWORD(vect->D2, (UINT16)dy); | |
| } | } |
| // ---- | |
| void gdcsub_vect0(UINT32 csrw, const GDCVECT *vect, REG16 pat, REG8 ope) { | void gdcsub_vect0(UINT32 csrw, const GDCVECT *vect, REG16 pat, REG8 ope) { |
| (void)csrw; | (void)csrw; |
| Line 546 void gdcsub_write(void) { | Line 623 void gdcsub_write(void) { |
| } | } |
| gdcs.grphdisp |= (BYTE)updatebit; | gdcs.grphdisp |= (BYTE)updatebit; |
| ptr += vramplaneseg[(adrs >> 14) & 3]; | ptr += gdcplaneseg[(adrs >> 14) & 3]; |
| adrs = (adrs & 0x3fff) << 1; | adrs = (adrs & 0x3fff) << 1; |
| calc_gdcslavewait(leng); | calc_gdcslavewait(leng); |