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author | João Silva | 2017-02-12 14:46:44 +0000 |
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committer | João Silva | 2017-02-12 14:46:44 +0000 |
commit | fb2517282da2fdfc26e58207bbb8e0a8bca35be2 (patch) | |
tree | cb331b665bc5d53ad180d5500bf37e2dfbf683d8 /source/fxinst.c | |
parent | fa04c025a2108be9bd0432d3d56606e2ef3027f4 (diff) | |
download | snes9x2005-fb2517282da2fdfc26e58207bbb8e0a8bca35be2.tar.gz snes9x2005-fb2517282da2fdfc26e58207bbb8e0a8bca35be2.tar.bz2 snes9x2005-fb2517282da2fdfc26e58207bbb8e0a8bca35be2.zip |
Minor SuperFX optimization. Fixed broken graphics caused by All-Stars SMW speedhack.
Diffstat (limited to 'source/fxinst.c')
-rw-r--r-- | source/fxinst.c | 665 |
1 files changed, 416 insertions, 249 deletions
diff --git a/source/fxinst.c b/source/fxinst.c index 4ec1e01..86ccd38 100644 --- a/source/fxinst.c +++ b/source/fxinst.c @@ -12,7 +12,7 @@ int32_t gsu_bank [512] = {0}; /* Codes used: * - * rn = a GSU register (r0-r15) + * rn = a GSU register (r0 - r15) * #n = 4 bit immediate value * #pp = 8 bit immediate value * (yy) = 8 bit word address (0x0000 - 0x01fe) @@ -57,8 +57,8 @@ static void fx_cache() GSU.vCacheBaseReg = c; GSU.bCacheActive = true; } - R15++; CLRFLAGS; + R15++; } /* 03 - lsr - logic shift right */ @@ -98,7 +98,14 @@ static void fx_bra() } /* Branch on condition */ -#define BRA_COND(cond) uint8_t v = PIPE; R15++; FETCHPIPE; if(cond) R15 += SEX8(v); else R15++; +#define BRA_COND(cond) \ + uint8_t v = PIPE; \ + R15++; \ + FETCHPIPE; \ + if (cond) \ + R15 += SEX8(v); \ + else \ + R15++ #define TEST_S (GSU.vSign & 0x8000) #define TEST_Z (USEX16(GSU.vZero) == 0) @@ -168,14 +175,38 @@ static void fx_bvs() /* 10-1f - to rn - set register n as destination register */ /* 10-1f(B) - move rn - move one register to another (if B flag is set) */ #define FX_TO(reg) \ -if(TF(B)) { GSU.avReg[(reg)] = SREG; CLRFLAGS; } \ -else { GSU.pvDreg = &GSU.avReg[reg]; } R15++; + if (TF(B)) \ + { \ + GSU.avReg[(reg)] = SREG; \ + CLRFLAGS; \ + } \ + else \ + GSU.pvDreg = &GSU.avReg[reg]; \ + R15++ + #define FX_TO_R14(reg) \ -if(TF(B)) { GSU.avReg[(reg)] = SREG; CLRFLAGS; READR14; } \ -else { GSU.pvDreg = &GSU.avReg[reg]; } R15++; + if (TF(B)) \ + { \ + GSU.avReg[(reg)] = SREG; \ + CLRFLAGS; \ + READR14; \ + } \ + else \ + GSU.pvDreg = &GSU.avReg[reg]; \ + R15++ + #define FX_TO_R15(reg) \ -if(TF(B)) { GSU.avReg[(reg)] = SREG; CLRFLAGS; } \ -else { GSU.pvDreg = &GSU.avReg[reg]; R15++; } + if (TF(B)) \ + { \ + GSU.avReg[(reg)] = SREG; \ + CLRFLAGS; \ + } \ + else \ + { \ + GSU.pvDreg = &GSU.avReg[reg]; \ + R15++; \ + } + static void fx_to_r0() { FX_TO(0); @@ -242,7 +273,11 @@ static void fx_to_r15() } /* 20-2f - to rn - set register n as source and destination register */ -#define FX_WITH(reg) SF(B); GSU.pvSreg = GSU.pvDreg = &GSU.avReg[reg]; R15++; +#define FX_WITH(reg) \ + SF(B); \ + GSU.pvSreg = GSU.pvDreg = &GSU.avReg[reg]; \ + R15++ + static void fx_with_r0() { FX_WITH(0); @@ -310,10 +345,12 @@ static void fx_with_r15() /* 30-3b - stw (rn) - store word */ #define FX_STW(reg) \ -GSU.vLastRamAdr = GSU.avReg[reg]; \ -RAM(GSU.avReg[reg]) = (uint8_t)SREG; \ -RAM(GSU.avReg[reg]^1) = (uint8_t)(SREG>>8); \ -CLRFLAGS; R15++ + GSU.vLastRamAdr = GSU.avReg[reg]; \ + RAM(GSU.avReg[reg]) = (uint8_t) SREG; \ + RAM(GSU.avReg[reg] ^ 1) = (uint8_t) (SREG >> 8); \ + CLRFLAGS; \ + R15++ + static void fx_stw_r0() { FX_STW(0); @@ -365,9 +402,11 @@ static void fx_stw_r11() /* 30-3b(ALT1) - stb (rn) - store byte */ #define FX_STB(reg) \ -GSU.vLastRamAdr = GSU.avReg[reg]; \ -RAM(GSU.avReg[reg]) = (uint8_t)SREG; \ -CLRFLAGS; R15++ + GSU.vLastRamAdr = GSU.avReg[reg]; \ + RAM(GSU.avReg[reg]) = (uint8_t) SREG; \ + CLRFLAGS; \ + R15++ + static void fx_stb_r0() { FX_STB(0); @@ -425,7 +464,6 @@ static void fx_loop() R15 = R13; else R15++; - CLRFLAGS; } @@ -455,13 +493,16 @@ static void fx_alt3() } /* 40-4b - ldw (rn) - load word from RAM */ -#define FX_LDW(reg) uint32_t v; \ -GSU.vLastRamAdr = GSU.avReg[reg]; \ -v = (uint32_t)RAM(GSU.avReg[reg]); \ -v |= ((uint32_t)RAM(GSU.avReg[reg]^1))<<8; \ -R15++; DREG = v; \ -TESTR14; \ -CLRFLAGS +#define FX_LDW(reg) \ + uint32_t v; \ + GSU.vLastRamAdr = GSU.avReg[reg]; \ + v = (uint32_t) RAM(GSU.avReg[reg]); \ + v |= ((uint32_t) RAM(GSU.avReg[reg] ^ 1)) << 8; \ + R15++; \ + DREG = v; \ + TESTR14; \ + CLRFLAGS + static void fx_ldw_r0() { FX_LDW(0); @@ -512,12 +553,15 @@ static void fx_ldw_r11() } /* 40-4b(ALT1) - ldb (rn) - load byte */ -#define FX_LDB(reg) uint32_t v; \ -GSU.vLastRamAdr = GSU.avReg[reg]; \ -v = (uint32_t)RAM(GSU.avReg[reg]); \ -R15++; DREG = v; \ -TESTR14; \ -CLRFLAGS +#define FX_LDB(reg) \ + uint32_t v; \ + GSU.vLastRamAdr = GSU.avReg[reg]; \ + v = (uint32_t) RAM(GSU.avReg[reg]); \ + R15++; \ + DREG = v; \ + TESTR14; \ + CLRFLAGS + static void fx_ldb_r0() { FX_LDB(0); @@ -580,18 +624,23 @@ static void fx_plot_2bit() R1++; if (GSU.vPlotOptionReg & 0x02) - c = (x ^ y) & 1 ? (uint8_t)(GSU.vColorReg >> 4) : (uint8_t)GSU.vColorReg; + c = (x ^ y) & 1 ? (uint8_t) (GSU.vColorReg >> 4) : (uint8_t)GSU.vColorReg; else - c = (uint8_t)GSU.vColorReg; + c = (uint8_t) GSU.vColorReg; - if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf)) return; + if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf)) + return; a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1); v = 128 >> (x & 7); - if (c & 0x01) a[0] |= v; - else a[0] &= ~v; - if (c & 0x02) a[1] |= v; - else a[1] &= ~v; + if (c & 0x01) + a[0] |= v; + else + a[0] &= ~v; + if (c & 0x02) + a[1] |= v; + else + a[1] &= ~v; } /* 2c(ALT1) - rpix - read color of the pixel with R1,R2 as x,y */ @@ -636,14 +685,22 @@ static void fx_plot_4bit() a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1); v = 128 >> (x & 7); - if (c & 0x01) a[0x00] |= v; - else a[0x00] &= ~v; - if (c & 0x02) a[0x01] |= v; - else a[0x01] &= ~v; - if (c & 0x04) a[0x10] |= v; - else a[0x10] &= ~v; - if (c & 0x08) a[0x11] |= v; - else a[0x11] &= ~v; + if (c & 0x01) + a[0x00] |= v; + else + a[0x00] &= ~v; + if (c & 0x02) + a[0x01] |= v; + else + a[0x01] &= ~v; + if (c & 0x04) + a[0x10] |= v; + else + a[0x10] &= ~v; + if (c & 0x08) + a[0x11] |= v; + else + a[0x11] &= ~v; } /* 4c(ALT1) - rpix - read color of the pixel with R1,R2 as x,y */ @@ -683,29 +740,47 @@ static void fx_plot_8bit() c = (uint8_t)GSU.vColorReg; if (!(GSU.vPlotOptionReg & 0x10)) { - if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf)) return; + if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf)) + return; } - else if (!(GSU.vPlotOptionReg & 0x01) && !c) return; + else if (!(GSU.vPlotOptionReg & 0x01) && !c) + return; a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1); v = 128 >> (x & 7); - if (c & 0x01) a[0x00] |= v; - else a[0x00] &= ~v; - if (c & 0x02) a[0x01] |= v; - else a[0x01] &= ~v; - if (c & 0x04) a[0x10] |= v; - else a[0x10] &= ~v; - if (c & 0x08) a[0x11] |= v; - else a[0x11] &= ~v; - if (c & 0x10) a[0x20] |= v; - else a[0x20] &= ~v; - if (c & 0x20) a[0x21] |= v; - else a[0x21] &= ~v; - if (c & 0x40) a[0x30] |= v; - else a[0x30] &= ~v; - if (c & 0x80) a[0x31] |= v; - else a[0x31] &= ~v; + if (c & 0x01) + a[0x00] |= v; + else + a[0x00] &= ~v; + if (c & 0x02) + a[0x01] |= v; + else + a[0x01] &= ~v; + if (c & 0x04) + a[0x10] |= v; + else + a[0x10] &= ~v; + if (c & 0x08) + a[0x11] |= v; + else + a[0x11] &= ~v; + if (c & 0x10) + a[0x20] |= v; + else + a[0x20] &= ~v; + if (c & 0x20) + a[0x21] |= v; + else + a[0x21] &= ~v; + if (c & 0x40) + a[0x30] |= v; + else + a[0x30] &= ~v; + if (c & 0x80) + a[0x31] |= v; + else + a[0x31] &= ~v; } /* 4c(ALT1) - rpix - read color of the pixel with R1,R2 as x,y */ @@ -778,10 +853,7 @@ static void fx_cmode() GSU.vPlotOptionReg = SREG; if (GSU.vPlotOptionReg & 0x10) - { - /* OBJ Mode (for drawing into sprites) */ - GSU.vScreenHeight = 256; - } + GSU.vScreenHeight = 256; // OBJ Mode (for drawing into sprites) else GSU.vScreenHeight = GSU.vScreenRealHeight; @@ -804,14 +876,16 @@ static void fx_not() /* 50-5f - add rn - add, register + register */ #define FX_ADD(reg) \ -int32_t s = SUSEX16(SREG) + SUSEX16(GSU.avReg[reg]); \ -GSU.vCarry = s >= 0x10000; \ -GSU.vOverflow = ~(SREG ^ GSU.avReg[reg]) & (GSU.avReg[reg] ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) + SUSEX16(GSU.avReg[reg]); \ + GSU.vCarry = s >= 0x10000; \ + GSU.vOverflow = ~(SREG ^ GSU.avReg[reg]) & (GSU.avReg[reg] ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_add_r0() { FX_ADD(0); @@ -879,14 +953,16 @@ static void fx_add_r15() /* 50-5f(ALT1) - adc rn - add with carry, register + register */ #define FX_ADC(reg) \ -int32_t s = SUSEX16(SREG) + SUSEX16(GSU.avReg[reg]) + SEX16(GSU.vCarry); \ -GSU.vCarry = s >= 0x10000; \ -GSU.vOverflow = ~(SREG ^ GSU.avReg[reg]) & (GSU.avReg[reg] ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) + SUSEX16(GSU.avReg[reg]) + SEX16(GSU.vCarry); \ + GSU.vCarry = s >= 0x10000; \ + GSU.vOverflow = ~(SREG ^ GSU.avReg[reg]) & (GSU.avReg[reg] ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_adc_r0() { FX_ADC(0); @@ -954,14 +1030,16 @@ static void fx_adc_r15() /* 50-5f(ALT2) - add #n - add, register + immediate */ #define FX_ADD_I(imm) \ -int32_t s = SUSEX16(SREG) + imm; \ -GSU.vCarry = s >= 0x10000; \ -GSU.vOverflow = ~(SREG ^ imm) & (imm ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) + imm; \ + GSU.vCarry = s >= 0x10000; \ + GSU.vOverflow = ~(SREG ^ imm) & (imm ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_add_i0() { FX_ADD_I(0); @@ -1029,14 +1107,16 @@ static void fx_add_i15() /* 50-5f(ALT3) - adc #n - add with carry, register + immediate */ #define FX_ADC_I(imm) \ -int32_t s = SUSEX16(SREG) + imm + SUSEX16(GSU.vCarry); \ -GSU.vCarry = s >= 0x10000; \ -GSU.vOverflow = ~(SREG ^ imm) & (imm ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) + imm + SUSEX16(GSU.vCarry); \ + GSU.vCarry = s >= 0x10000; \ + GSU.vOverflow = ~(SREG ^ imm) & (imm ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_adc_i0() { FX_ADC_I(0); @@ -1104,14 +1184,16 @@ static void fx_adc_i15() /* 60-6f - sub rn - subtract, register - register */ #define FX_SUB(reg) \ -int32_t s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]); \ -GSU.vCarry = s >= 0; \ -GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]); \ + GSU.vCarry = s >= 0; \ + GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_sub_r0() { FX_SUB(0); @@ -1179,14 +1261,16 @@ static void fx_sub_r15() /* 60-6f(ALT1) - sbc rn - subtract with carry, register - register */ #define FX_SBC(reg) \ -int32_t s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]) - (SUSEX16(GSU.vCarry^1)); \ -GSU.vCarry = s >= 0; \ -GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]) - (SUSEX16(GSU.vCarry ^ 1)); \ + GSU.vCarry = s >= 0; \ + GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_sbc_r0() { FX_SBC(0); @@ -1254,14 +1338,16 @@ static void fx_sbc_r15() /* 60-6f(ALT2) - sub #n - subtract, register - immediate */ #define FX_SUB_I(imm) \ -int32_t s = SUSEX16(SREG) - imm; \ -GSU.vCarry = s >= 0; \ -GSU.vOverflow = (SREG ^ imm) & (SREG ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; DREG = s; \ -TESTR14; \ -CLRFLAGS + int32_t s = SUSEX16(SREG) - imm; \ + GSU.vCarry = s >= 0; \ + GSU.vOverflow = (SREG ^ imm) & (SREG ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + DREG = s; \ + TESTR14; \ + CLRFLAGS + static void fx_sub_i0() { FX_SUB_I(0); @@ -1329,13 +1415,14 @@ static void fx_sub_i15() /* 60-6f(ALT3) - cmp rn - compare, register, register */ #define FX_CMP(reg) \ -int32_t s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]); \ -GSU.vCarry = s >= 0; \ -GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \ -GSU.vSign = s; \ -GSU.vZero = s; \ -R15++; \ -CLRFLAGS; + int32_t s = SUSEX16(SREG) - SUSEX16(GSU.avReg[reg]); \ + GSU.vCarry = s >= 0; \ + GSU.vOverflow = (SREG ^ GSU.avReg[reg]) & (SREG ^ s) & 0x8000; \ + GSU.vSign = s; \ + GSU.vZero = s; \ + R15++; \ + CLRFLAGS + static void fx_cmp_r0() { FX_CMP(0); @@ -1417,12 +1504,14 @@ static void fx_merge() /* 71-7f - and rn - reister & register */ #define FX_AND(reg) \ -uint32_t v = SREG & GSU.avReg[reg]; \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG & GSU.avReg[reg]; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_and_r1() { FX_AND(1); @@ -1486,12 +1575,14 @@ static void fx_and_r15() /* 71-7f(ALT1) - bic rn - reister & ~register */ #define FX_BIC(reg) \ -uint32_t v = SREG & ~GSU.avReg[reg]; \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG & ~GSU.avReg[reg]; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_bic_r1() { FX_BIC(1); @@ -1555,12 +1646,14 @@ static void fx_bic_r15() /* 71-7f(ALT2) - and #n - reister & immediate */ #define FX_AND_I(imm) \ -uint32_t v = SREG & imm; \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG & imm; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_and_i1() { FX_AND_I(1); @@ -1624,12 +1717,14 @@ static void fx_and_i15() /* 71-7f(ALT3) - bic #n - reister & ~immediate */ #define FX_BIC_I(imm) \ -uint32_t v = SREG & ~imm; \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG & ~imm; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_bic_i1() { FX_BIC_I(1); @@ -1693,12 +1788,14 @@ static void fx_bic_i15() /* 80-8f - mult rn - 8 bit to 16 bit signed multiply, register * register */ #define FX_MULT(reg) \ -uint32_t v = (uint32_t)(SEX8(SREG) * SEX8(GSU.avReg[reg])); \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = (uint32_t) (SEX8(SREG) * SEX8(GSU.avReg[reg])); \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_mult_r0() { FX_MULT(0); @@ -1766,12 +1863,14 @@ static void fx_mult_r15() /* 80-8f(ALT1) - umult rn - 8 bit to 16 bit unsigned multiply, register * register */ #define FX_UMULT(reg) \ -uint32_t v = USEX8(SREG) * USEX8(GSU.avReg[reg]); \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = USEX8(SREG) * USEX8(GSU.avReg[reg]); \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_umult_r0() { FX_UMULT(0); @@ -1839,12 +1938,14 @@ static void fx_umult_r15() /* 80-8f(ALT2) - mult #n - 8 bit to 16 bit signed multiply, register * immediate */ #define FX_MULT_I(imm) \ -uint32_t v = (uint32_t) (SEX8(SREG) * ((int32_t)imm)); \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = (uint32_t) (SEX8(SREG) * ((int32_t) imm)); \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_mult_i0() { FX_MULT_I(0); @@ -1912,12 +2013,14 @@ static void fx_mult_i15() /* 80-8f(ALT3) - umult #n - 8 bit to 16 bit unsigned multiply, register * immediate */ #define FX_UMULT_I(imm) \ -uint32_t v = USEX8(SREG) * ((uint32_t)imm); \ -R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = USEX8(SREG) * ((uint32_t) imm); \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_umult_i0() { FX_UMULT_I(0); @@ -1993,7 +2096,11 @@ static void fx_sbk() } /* 91-94 - link #n - R11 = R15 + immediate */ -#define FX_LINK_I(lkn) R11 = R15 + lkn; CLRFLAGS; R15++ +#define FX_LINK_I(lkn) \ + R11 = R15 + lkn; \ + CLRFLAGS; \ + R15++ + static void fx_link_i1() { FX_LINK_I(1); @@ -2070,8 +2177,9 @@ static void fx_ror() /* 98-9d - jmp rn - jump to address of register */ #define FX_JMP(reg) \ -R15 = GSU.avReg[reg]; \ -CLRFLAGS; + R15 = GSU.avReg[reg]; \ + CLRFLAGS + static void fx_jmp_r8() { FX_JMP(8); @@ -2099,10 +2207,13 @@ static void fx_jmp_r13() /* 98-9d(ALT1) - ljmp rn - set program bank to source register and jump to address of register */ #define FX_LJMP(reg) \ -GSU.vPrgBankReg = GSU.avReg[reg] & 0x7f; \ -GSU.pvPrgBank = GSU.apvRomBank[GSU.vPrgBankReg]; \ -R15 = SREG; \ -GSU.bCacheActive = false; fx_cache(); R15--; + GSU.vPrgBankReg = GSU.avReg[reg] & 0x7f; \ + GSU.pvPrgBank = GSU.apvRomBank[GSU.vPrgBankReg]; \ + R15 = SREG; \ + GSU.bCacheActive = false; \ + fx_cache(); \ + R15-- + static void fx_ljmp_r8() { FX_LJMP(8); @@ -2174,10 +2285,13 @@ static void fx_lmult() /* a0-af - ibt rn,#pp - immediate byte transfer */ #define FX_IBT(reg) \ -uint8_t v = PIPE; R15++; \ -FETCHPIPE; R15++; \ -GSU.avReg[reg] = SEX8(v); \ -CLRFLAGS; + uint8_t v = PIPE; \ + R15++; \ + FETCHPIPE; \ + R15++; \ + GSU.avReg[reg] = SEX8(v); \ + CLRFLAGS + static void fx_ibt_r0() { FX_IBT(0); @@ -2246,11 +2360,14 @@ static void fx_ibt_r15() /* a0-af(ALT1) - lms rn,(yy) - load word from RAM (short address) */ #define FX_LMS(reg) \ -GSU.vLastRamAdr = ((uint32_t)PIPE) << 1; \ -R15++; FETCHPIPE; R15++; \ -GSU.avReg[reg] = (uint32_t)RAM(GSU.vLastRamAdr); \ -GSU.avReg[reg] |= ((uint32_t)RAM(GSU.vLastRamAdr+1))<<8; \ -CLRFLAGS; + GSU.vLastRamAdr = ((uint32_t) PIPE) << 1; \ + R15++; \ + FETCHPIPE; \ + R15++; \ + GSU.avReg[reg] = (uint32_t) RAM(GSU.vLastRamAdr); \ + GSU.avReg[reg] |= ((uint32_t) RAM(GSU.vLastRamAdr + 1)) << 8; \ + CLRFLAGS + static void fx_lms_r0() { FX_LMS(0); @@ -2320,12 +2437,15 @@ static void fx_lms_r15() /* a0-af(ALT2) - sms (yy),rn - store word in RAM (short address) */ /* If rn == r15, is the value of r15 before or after the extra byte is read? */ #define FX_SMS(reg) \ -uint32_t v = GSU.avReg[reg]; \ -GSU.vLastRamAdr = ((uint32_t)PIPE) << 1; \ -R15++; FETCHPIPE; \ -RAM(GSU.vLastRamAdr) = (uint8_t)v; \ -RAM(GSU.vLastRamAdr+1) = (uint8_t)(v>>8); \ -CLRFLAGS; R15++; + uint32_t v = GSU.avReg[reg]; \ + GSU.vLastRamAdr = ((uint32_t) PIPE) << 1; \ + R15++; \ + FETCHPIPE; \ + RAM(GSU.vLastRamAdr) = (uint8_t) v; \ + RAM(GSU.vLastRamAdr + 1) = (uint8_t) (v >> 8); \ + CLRFLAGS; \ + R15++ + static void fx_sms_r0() { FX_SMS(0); @@ -2394,9 +2514,23 @@ static void fx_sms_r15() /* b0-bf - from rn - set source register */ /* b0-bf(B) - moves rn - move register to register, and set flags, (if B flag is set) */ #define FX_FROM(reg) \ -if(TF(B)) { uint32_t v = GSU.avReg[reg]; R15++; DREG = v; \ -GSU.vOverflow = (v&0x80) << 16; GSU.vSign = v; GSU.vZero = v; TESTR14; CLRFLAGS; } \ -else { GSU.pvSreg = &GSU.avReg[reg]; R15++; } + if (TF(B)) \ + { \ + uint32_t v = GSU.avReg[reg]; \ + R15++; \ + DREG = v; \ + GSU.vOverflow = (v & 0x80) << 16; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS; \ + } \ + else \ + { \ + GSU.pvSreg = &GSU.avReg[reg]; \ + R15++; \ + } + static void fx_from_r0() { FX_FROM(0); @@ -2476,11 +2610,14 @@ static void fx_hib() /* c1-cf - or rn */ #define FX_OR(reg) \ -uint32_t v = SREG | GSU.avReg[reg]; R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG | GSU.avReg[reg]; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_or_r1() { FX_OR(1); @@ -2544,11 +2681,14 @@ static void fx_or_r15() /* c1-cf(ALT1) - xor rn */ #define FX_XOR(reg) \ -uint32_t v = SREG ^ GSU.avReg[reg]; R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG ^ GSU.avReg[reg]; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_xor_r1() { FX_XOR(1); @@ -2612,11 +2752,14 @@ static void fx_xor_r15() /* c1-cf(ALT2) - or #n */ #define FX_OR_I(imm) \ -uint32_t v = SREG | imm; R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG | imm; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_or_i1() { FX_OR_I(1); @@ -2680,11 +2823,14 @@ static void fx_or_i15() /* c1-cf(ALT3) - xor #n */ #define FX_XOR_I(imm) \ -uint32_t v = SREG ^ imm; R15++; DREG = v; \ -GSU.vSign = v; \ -GSU.vZero = v; \ -TESTR14; \ -CLRFLAGS; + uint32_t v = SREG ^ imm; \ + R15++; \ + DREG = v; \ + GSU.vSign = v; \ + GSU.vZero = v; \ + TESTR14; \ + CLRFLAGS + static void fx_xor_i1() { FX_XOR_I(1); @@ -2748,10 +2894,12 @@ static void fx_xor_i15() /* d0-de - inc rn - increase by one */ #define FX_INC(reg) \ -GSU.avReg[reg] += 1; \ -GSU.vSign = GSU.avReg[reg]; \ -GSU.vZero = GSU.avReg[reg]; \ -CLRFLAGS; R15++; + GSU.avReg[reg] += 1; \ + GSU.vSign = GSU.avReg[reg]; \ + GSU.vZero = GSU.avReg[reg]; \ + CLRFLAGS; \ + R15++ + static void fx_inc_r0() { FX_INC(0); @@ -2856,10 +3004,12 @@ static void fx_romb() /* e0-ee - dec rn - decrement by one */ #define FX_DEC(reg) \ -GSU.avReg[reg] -= 1; \ -GSU.vSign = GSU.avReg[reg]; \ -GSU.vZero = GSU.avReg[reg]; \ -CLRFLAGS; R15++; + GSU.avReg[reg] -= 1; \ + GSU.vSign = GSU.avReg[reg]; \ + GSU.vZero = GSU.avReg[reg]; \ + CLRFLAGS; \ + R15++ + static void fx_dec_r0() { FX_DEC(0); @@ -2959,8 +3109,7 @@ static void fx_getbl() { uint32_t v; #ifndef FX_DO_ROMBUFFER - uint32_t c; - c = (uint32_t)ROM(R14); + uint32_t c = (uint32_t)ROM(R14); #else uint32_t c = USEX8(GSU.vRomBuffer); #endif @@ -2990,10 +3139,16 @@ static void fx_getbs() /* f0-ff - iwt rn,#xx - immediate word transfer to register */ #define FX_IWT(reg) \ -uint32_t v = PIPE; R15++; FETCHPIPE; R15++; \ -v |= USEX8(PIPE) << 8; FETCHPIPE; R15++; \ -GSU.avReg[reg] = v; \ -CLRFLAGS; + uint32_t v = PIPE; \ + R15++; \ + FETCHPIPE; \ + R15++; \ + v |= USEX8(PIPE) << 8; \ + FETCHPIPE; \ + R15++; \ + GSU.avReg[reg] = v; \ + CLRFLAGS + static void fx_iwt_r0() { FX_IWT(0); @@ -3062,11 +3217,17 @@ static void fx_iwt_r15() /* f0-ff(ALT1) - lm rn,(xx) - load word from RAM */ #define FX_LM(reg) \ -GSU.vLastRamAdr = PIPE; R15++; FETCHPIPE; R15++; \ -GSU.vLastRamAdr |= USEX8(PIPE) << 8; FETCHPIPE; R15++; \ -GSU.avReg[reg] = RAM(GSU.vLastRamAdr); \ -GSU.avReg[reg] |= USEX8(RAM(GSU.vLastRamAdr^1)) << 8; \ -CLRFLAGS; + GSU.vLastRamAdr = PIPE; \ + R15++; \ + FETCHPIPE; \ + R15++; \ + GSU.vLastRamAdr |= USEX8(PIPE) << 8; \ + FETCHPIPE; \ + R15++; \ + GSU.avReg[reg] = RAM(GSU.vLastRamAdr); \ + GSU.avReg[reg] |= USEX8(RAM(GSU.vLastRamAdr ^ 1)) << 8; \ + CLRFLAGS + static void fx_lm_r0() { FX_LM(0); @@ -3136,12 +3297,18 @@ static void fx_lm_r15() /* f0-ff(ALT2) - sm (xx),rn - store word in RAM */ /* If rn == r15, is the value of r15 before or after the extra bytes are read? */ #define FX_SM(reg) \ -uint32_t v = GSU.avReg[reg]; \ -GSU.vLastRamAdr = PIPE; R15++; FETCHPIPE; R15++; \ -GSU.vLastRamAdr |= USEX8(PIPE) << 8; FETCHPIPE; \ -RAM(GSU.vLastRamAdr) = (uint8_t)v; \ -RAM(GSU.vLastRamAdr^1) = (uint8_t)(v>>8); \ -CLRFLAGS; R15++; + uint32_t v = GSU.avReg[reg]; \ + GSU.vLastRamAdr = PIPE; \ + R15++; \ + FETCHPIPE; \ + R15++; \ + GSU.vLastRamAdr |= USEX8(PIPE) << 8; \ + FETCHPIPE; \ + RAM(GSU.vLastRamAdr) = (uint8_t) v; \ + RAM(GSU.vLastRamAdr ^ 1) = (uint8_t) (v >> 8); \ + CLRFLAGS; \ + R15++ + static void fx_sm_r0() { FX_SM(0); |