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https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
gfx_cd finished, bugfixes
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@76 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
528ec9568f
commit
00bd648e63
6 changed files with 56 additions and 40 deletions
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@ -245,7 +245,8 @@ int PicoCdLoadState(void *file)
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wram_2M_to_1M(Pico_mcd->word_ram2M);
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#ifdef _ASM_CD_MEMORY_C
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PicoMemResetCD(Pico_mcd->s68k_regs[3]);
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PicoMemResetCDdecode(Pico_mcd->s68k_regs[3]);
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if (Pico_mcd->s68k_regs[3]&4)
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PicoMemResetCDdecode(Pico_mcd->s68k_regs[3]);
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#endif
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if (Pico_mcd->m.audio_track > 0 && Pico_mcd->m.audio_track < Pico_mcd->TOC.Last_Track)
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mp3_start_play(Pico_mcd->TOC.Tracks[Pico_mcd->m.audio_track].F, Pico_mcd->m.audio_offset);
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@ -199,6 +199,8 @@ PicoMemResetCD: @ r3
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PicoMemResetCDdecode: @r3
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tst r3, #4
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bxeq lr @ we should not be called in 2M mode
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ldr r1, =m_s68k_write8_table
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ldr r3, =m_s68k_decode_write_table
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and r2, r0, #0x18
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@ -336,7 +338,7 @@ PicoWriteS68k32: @ u32 a, u32 d
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.endm
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@ r0=prt1, r1=ptr2
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@ r0=prt1, r1=ptr2; unaligned ptr MUST be r0
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.macro m_read32_gen
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tst r0, #2
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ldrneh r0, [r1, r0]!
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@ -347,7 +349,7 @@ PicoWriteS68k32: @ u32 a, u32 d
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.endm
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@ r0=prt1, r1=data, r2=ptr2
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@ r0=prt1, r1=data, r2=ptr2; unaligned ptr MUST be r0
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.macro m_write32_gen
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tst r0, #2
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mov r1, r1, ror #16
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@ -468,7 +470,7 @@ m_m68k_read8_system_io:
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.long m_m68k_read8_r0d
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m_m68k_read8_r00:
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add r1, r1, #0x110000
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ldr r0, [r1, #30]
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ldr r0, [r1, #0x30]
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and r0, r0, #0x04000000 @ we need irq2 mask state
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mov r0, r0, lsr #19
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bx lr
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@ -842,11 +844,12 @@ m_m68k_read32_system_io:
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movge r0, #0
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bxge lr
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@ I have seen the range 0x0e-0x2f accessed quite frequently with long i/o, so here is some code for that
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ldr r0, =(Pico+0x22200)
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mov r0, r1
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ldr r1, =(Pico+0x22200)
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mov r2, #0xff
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ldr r0, [r0]
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ldr r1, [r1]
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orr r2, r2, r2, lsl #16
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add r0, r0, #0x110000
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add r1, r1, #0x110000
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m_read32_gen
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and r1, r2, r0 @ data is big-endian read as little, have to byteswap
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and r0, r2, r0, lsr #8
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@ -51,7 +51,7 @@ int PicoResetMCD(int hard)
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gfx_cd_reset();
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#ifdef _ASM_CD_MEMORY_C
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PicoMemResetCD(1);
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PicoMemResetCDdecode(1);
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//PicoMemResetCDdecode(1); // don't have to call this in 2M mode
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#endif
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return 0;
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@ -79,18 +79,14 @@ static void gfx_completed(void)
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}
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static void gfx_do(void)
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static void gfx_do(unsigned int func, unsigned short *stamp_base, unsigned int H_Dot)
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{
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unsigned int eax, ebx, ecx, edx, esi, edi, pixel;
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unsigned int XD, Buffer_Adr, H_Dot;
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unsigned int func = rot_comp.Function;
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unsigned short *stamp_base;
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unsigned int XD, Buffer_Adr;
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int DYXS;
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XD = rot_comp.Reg_60 & 7;
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Buffer_Adr = ((rot_comp.Reg_5E & 0xfff8) + rot_comp.YD) << 2;
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stamp_base = (unsigned short *) (Pico_mcd->word_ram2M + rot_comp.Stamp_Map_Adr);
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H_Dot = rot_comp.Reg_62 & 0x1ff;
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ecx = *(unsigned int *)(Pico_mcd->word_ram2M + rot_comp.Vector_Adr);
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edx = ecx >> 16;
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ecx = (ecx & 0xffff) << 8;
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@ -105,29 +101,28 @@ static void gfx_do(void)
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{
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if (func & 4) // 16x16 screen
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{
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eax = (ecx >> (11+5)) & 0x007f;
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ebx = (edx >> (11-2)) & 0x3f80;
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ebx = ((ecx >> (11+5)) & 0x007f) |
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((edx >> (11-2)) & 0x3f80);
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}
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else // 1x1 screen
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{
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eax = (ecx >> (11+5)) & 0x07;
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ebx = (edx >> (11+2)) & 0x38;
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ebx = ((ecx >> (11+5)) & 0x07) |
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((edx >> (11+2)) & 0x38);
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}
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}
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else // mode 16x16 dot
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{
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if (func & 4) // 16x16 screen
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{
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eax = (ecx >> (11+4)) & 0x00ff;
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ebx = (edx >> (11-4)) & 0xff00;
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ebx = ((ecx >> (11+4)) & 0x00ff) |
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((edx >> (11-4)) & 0xff00);
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}
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else // 1x1 screen
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{
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eax = (ecx >> (11+4)) & 0x0f;
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ebx = (edx >> (11+0)) & 0xf0;
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ebx = ((ecx >> (11+4)) & 0x0f) |
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((edx >> (11+0)) & 0xf0);
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}
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}
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ebx += eax;
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// MAKE_IMAGE_PIXEL
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if (!(func & 1)) // NOT TILED
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@ -141,12 +136,10 @@ static void gfx_do(void)
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}
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}
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// esi = rot_comp.Stamp_Map_Adr;
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edi = stamp_base[ebx] | (stamp_base[ebx+1] << 16);
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esi = edi;
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edi >>= (11+1);
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esi = (esi & 0x7ff) << 7;
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edi = stamp_base[ebx];// | (stamp_base[ebx+1] << 16);
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esi = (edi & 0x7ff) << 7;
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if (!esi) { pixel = 0; goto Pixel_Out; }
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edi >>= (11+1);
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edi &= (0x1c>>1);
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eax = ecx;
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ebx = edx;
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@ -285,7 +278,7 @@ Next_Pixel:
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// end while
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//nothing_to_draw:
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// nothing_to_draw:
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rot_comp.YD++;
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// rot_comp.V_Dot--; // will be done by caller
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}
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@ -293,12 +286,12 @@ Next_Pixel:
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void gfx_cd_update(void)
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{
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unsigned char *V_Dot = (unsigned char *) &rot_comp.Reg_64;
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int V_Dot = rot_comp.Reg_64 & 0xff;
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int jobs;
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dprintf("gfx_cd_update, Reg_64 = %04x", rot_comp.Reg_64);
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if (!*V_Dot)
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if (!V_Dot)
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{
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gfx_completed();
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return;
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@ -315,20 +308,36 @@ void gfx_cd_update(void)
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rot_comp.Float_Part &= 0xffff;
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rot_comp.Float_Part += rot_comp.Draw_Speed;
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while (jobs--)
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if (PicoOpt & 0x1000) // scale/rot enabled
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{
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if (PicoOpt & 0x1000)
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gfx_do(); // jmp [Jmp_Adr]:
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unsigned int func = rot_comp.Function;
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unsigned int H_Dot = rot_comp.Reg_62 & 0x1ff;
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unsigned short *stamp_base = (unsigned short *) (Pico_mcd->word_ram2M + rot_comp.Stamp_Map_Adr);
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(*V_Dot)--; // dec byte [V_Dot]
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if (!*V_Dot)
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while (jobs--)
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{
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gfx_do(func, stamp_base, H_Dot); // jmp [Jmp_Adr]:
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V_Dot--; // dec byte [V_Dot]
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if (V_Dot == 0)
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{
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// GFX_Completed:
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gfx_completed();
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return;
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}
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}
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}
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else
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{
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if (jobs >= V_Dot)
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{
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// GFX_Completed:
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gfx_completed();
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return;
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}
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V_Dot -= jobs;
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}
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rot_comp.Reg_64 = V_Dot;
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}
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@ -20,6 +20,7 @@
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extern volatile unsigned short *gp2x_memregs; /* from minimal library rlyeh */
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extern volatile unsigned long *gp2x_memregl;
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extern int reset_timing;
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static unsigned char *shared_mem = 0;
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static _940_data_t *shared_data = 0;
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_940_ctl_t *shared_ctl = 0;
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@ -589,6 +590,7 @@ void mp3_start_play(FILE *f, int pos) // pos is 0-1023
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if (CHECK_BUSY(JOB940_MP3DECODE)) wait_busy_940(JOB940_MP3DECODE);
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add_job_940(JOB940_INVALIDATE_DCACHE);
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}
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reset_timing = 1;
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}
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// seek..
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@ -54,13 +54,14 @@ extern int crashed_940;
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static short sndBuffer[2*44100/50];
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static char noticeMsg[64]; // notice msg to draw
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static struct timeval noticeMsgTime = { 0, 0 }; // when started showing
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static int reset_timing, osd_fps_x;
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static int osd_fps_x;
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static int combo_keys = 0, combo_acts = 0; // keys and actions which need button combos
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static int gp2x_old_gamma = 100;
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static unsigned char *movie_data = NULL;
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static int movie_size = 0;
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unsigned char *framebuff = 0; // temporary buffer for alt renderer
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int state_slot = 0;
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int reset_timing = 0;
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/*
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// tmp
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@ -1191,7 +1192,7 @@ void emu_Loop(void)
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continue;
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}
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updateKeys();
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SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;
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SkipFrame(tval.tv_usec < lim_time+target_frametime*2); frames_done++;
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continue;
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}
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