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update 0.8.0

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This commit is contained in:
Rupert Hausberger 2013-01-16 19:00:33 +01:00
commit eda41a625b
20 changed files with 9833 additions and 4280 deletions
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224
sae/copper.js
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@ -6,6 +6,9 @@
* ©2012 Rupert Hausberger
* Commercial use is prohibited.
*
***************************************************************************
* Notes: Ported from WinUAE 2.5.0
*
**************************************************************************/
//copper_states
@ -27,11 +30,31 @@ const COP_strobe_extra = 14;
const COP_start_delay = 15;
function Copper() {
const customdelay = [
1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* 32 0x00 - 0x3e */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x40 - 0x5e */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x60 - 0x7e */
0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0, /* 0x80 - 0x9e */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 32 0xa0 - 0xde */
/* BPLxPTH/BPLxPTL */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 16 */
/* BPLCON0-3,BPLMOD1-2 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 16 */
/* SPRxPTH/SPRxPTL */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 16 */
/* SPRxPOS/SPRxCTL/SPRxDATA/SPRxDATB */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
/* COLORxx */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* RESERVED */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
];
this.cop1lc = 0;
this.cop2lc = 0,
this.copcon = 0;
this.enabled_thisline = false;
this.access = false;
this.last_copper_hpos = 0;
var cop_state = {
/* The current instruction words. */
@ -48,8 +71,6 @@ function Copper() {
last_write:0, last_write_hpos:0,
moveaddr:0, movedata:0, movedelay:0
};
var last_copper_hpos = 0;
this.reset = function () {
this.copcon = 0;
@ -59,7 +80,7 @@ function Copper() {
this.reset2 = function () {
cop_state.hpos = 0;
cop_state.last_write = 0;
this.compute_spcflag_copper(AMIGA.events.maxhpos);
this.compute_spcflag_copper(AMIGA.playfield.maxhpos);
}
this.COPCON = function (v) {
@ -96,18 +117,18 @@ function Copper() {
//BUG.info('COPJMP(%d) %d', num, cop_state.state);
cop_state.vpos = AMIGA.events.vpos;
cop_state.hpos = AMIGA.events.hpos() & ~1;
this.enabled_thisline = false;
cop_state.vpos = AMIGA.playfield.vpos;
cop_state.hpos = AMIGA.playfield.hpos() & ~1;
cop_state.strobe = num;
this.enabled_thisline = false;
if (0) {
this.immediate_copper(num);
return;
}
if (AMIGA.dmaen(DMAF_COPEN))
this.compute_spcflag_copper(AMIGA.events.hpos());
this.compute_spcflag_copper(AMIGA.playfield.hpos());
else if (oldstrobe > 0 && oldstrobe != num && cop_state.state_prev == COP_wait) {
/* dma disabled, copper idle and accessed both COPxJMPs -> copper stops! */
cop_state.state = COP_stop;
@ -126,7 +147,7 @@ function Copper() {
this.test_copper_dangerous = function (address) {
var addr = address & 0x1fe;
if (addr < ((this.copcon & 2) ? ((AMIGA.config.chipset.type == SAEV_Config_Chipset_Type_ECS) ? 0 : 0x40) : 0x80)) {
if (addr < ((this.copcon & 2) ? ((AMIGA.config.chipset.mask & CSMASK_ECS_AGNUS) ? 0 : 0x40) : 0x80)) {
cop_state.state = COP_stop;
this.enabled_thisline = false;
clr_special(SPCFLAG_COPPER);
@ -140,11 +161,11 @@ function Copper() {
var oldpos = 0;
cop_state.state = COP_stop;
cop_state.vpos = AMIGA.events.vpos;
cop_state.hpos = AMIGA.events.hpos() & ~1;
cop_state.vpos = AMIGA.playfield.vpos;
cop_state.hpos = AMIGA.playfield.hpos() & ~1;
cop_state.ip = num == 1 ? this.cop1lc : this.cop2lc;
while (pos < (AMIGA.events.maxvpos << 5)) {
while (pos < (AMIGA.playfield.maxvpos << 5)) {
if (oldpos > pos)
pos = oldpos;
if (!AMIGA.dmaen(DMAF_COPEN))
@ -153,8 +174,11 @@ function Copper() {
break;
pos++;
oldpos = pos;
cop_state.i1 = AMIGA.mem.load16_chip(cop_state.ip);
cop_state.i2 = AMIGA.mem.load16_chip(cop_state.ip + 2);
//cop_state.i1 = AMIGA.mem.load16_chip(cop_state.ip);
//cop_state.i2 = AMIGA.mem.load16_chip(cop_state.ip + 2);
cop_state.i1 = AMIGA.mem.chip.data[cop_state.ip >>> 1];
cop_state.i2 = AMIGA.mem.chip.data[(cop_state.ip + 2) >>> 1];
AMIGA.custom.last_value = cop_state.i2;
cop_state.ip += 4;
if (!(cop_state.i1 & 1)) { // move
cop_state.i1 &= 0x1fe;
@ -181,25 +205,18 @@ function Copper() {
}
this.copper_cant_read = function (hpos, alloc) {
//BUG.info('copper_cant_read2() hpos %d / %d', hpos, AMIGA.events.maxhpos);
if (hpos + 1 >= AMIGA.events.maxhpos) // first refresh slot
//BUG.info('copper_cant_read2() hpos %d / %d', hpos, AMIGA.playfield.maxhpos);
if (hpos + 1 >= AMIGA.playfield.maxhpos) // first refresh slot
return 1;
if ((hpos == AMIGA.events.maxhpos - 3) && (AMIGA.events.maxhpos & 1) && alloc >= 0) {
//if (alloc) alloc_cycle (hpos, CYCLE_COPPER);
if ((hpos == AMIGA.playfield.maxhpos - 3) && (AMIGA.playfield.maxhpos & 1) && alloc >= 0) {
return -1;
}
return AMIGA.playfield.is_bitplane_dma(hpos);
}
/*this.copper_cant_read = function (hpos, alloc) {
var cant = this.copper_cant_read2(hpos, alloc);
//if (cant && debug_dma) record_dma_event (DMA_EVENT_COPPERWANTED, hpos, vpos);
return cant;
}*/
this.custom_store16_copper = function (hpos, addr, value, noget) {
//if (addr == 0x88 || addr == 0x8a)
//BUG.info('custom_store16_copper() addr %08x, value %04x | vpos %d hpos %d %d cvcmp %d chcmp %d chpos %d cvpos %d', addr, value, AMIGA.events.vpos, AMIGA.events.hpos(), hpos, cop_state.vcmp, cop_state.hcmp, cop_state.hpos, cop_state.vpos);
//BUG.info('custom_store16_copper() addr %08x, value %04x | vpos %d hpos %d %d cvcmp %d chcmp %d chpos %d cvpos %d', addr, value, AMIGA.playfield.vpos, AMIGA.playfield.hpos(), hpos, cop_state.vcmp, cop_state.hcmp, cop_state.hpos, cop_state.vpos);
//value = debug_wputpeekdma (0xdff000 + addr, value);
this.access = true;
var v = AMIGA.custom.store16_real(hpos, addr, value, noget);
@ -209,44 +226,17 @@ function Copper() {
this.dump_copper = function (error, until_hpos) {
BUG.info('\n');
BUG.info('%s: vpos=%d until_hpos=%d vp=%d', error, AMIGA.events.vpos, until_hpos, AMIGA.events.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80));
BUG.info('%s: vpos=%d until_hpos=%d vp=%d', error, AMIGA.playfield.vpos, until_hpos, AMIGA.playfield.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80));
BUG.info('cvcmp=%d chcmp=%d chpos=%d cvpos=%d ci1=%04X ci2=%04X', cop_state.vcmp, cop_state.hcmp, cop_state.hpos, cop_state.vpos, cop_state.saved_i1, cop_state.saved_i2);
BUG.info('cstate=%d ip=%x SPCFLAGS=%x iscline=%d', cop_state.state, cop_state.ip, AMIGA.spcflags, this.enabled_thisline?1:0);
BUG.info('\n');
}
// 'emulate' chip internal delays, not the right place but fast and 99.9% programs
// use only copper to write BPLCON1 etc.. (exception is HulkaMania/TSP..)
// this table should be filled with zeros and done somewhere else..
var customdelay = [
1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,1,1,1,1,0,0,0,0,0,0,0,0, /* 32 0x00 - 0x3e */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x40 - 0x5e */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x60 - 0x7e */
0,0,0,0,1,1,1,1,1,1,1,1,0,0,0,0, /* 0x80 - 0x9e */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 32 0xa0 - 0xde */
/* BPLxPTH/BPLxPTL */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 16 */
/* BPLCON0-3,BPLMOD1-2 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 16 */
/* SPRxPTH/SPRxPTL */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* 16 */
/* SPRxPOS/SPRxCTL/SPRxDATA/SPRxDATB */
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
/* COLORxx */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
/* RESERVED */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
];
/*this.copper_write = function (v) {
this.custom_store16_copper(AMIGA.events.hpos(), v >> 16, v & 0xffff, 0);
}*/
this.update_copper = function (until_hpos) {
var vp = AMIGA.events.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
this.update = function (until_hpos) {
var vp = AMIGA.playfield.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
var c_hpos = cop_state.hpos;
//BUG.info('update_copper() until_hpos %d, vp %d', until_hpos, vp);
//BUG.info('update() until_hpos %d, vp %d', until_hpos, vp);
if (cop_state.state == COP_wait && vp < cop_state.vcmp) {
this.dump_copper('error2', until_hpos);
@ -256,11 +246,11 @@ function Copper() {
return;
}
if (until_hpos <= last_copper_hpos)
if (until_hpos <= this.last_copper_hpos)
return;
if (until_hpos > (AMIGA.events.maxhpos & ~1))
until_hpos = AMIGA.events.maxhpos & ~1;
if (until_hpos > (AMIGA.playfield.maxhpos & ~1))
until_hpos = AMIGA.playfield.maxhpos & ~1;
for (;;) {
var old_hpos = c_hpos;
@ -270,8 +260,8 @@ function Copper() {
break;
/* So we know about the fetch state. */
//decide_line (c_hpos);
//decide_fetch (c_hpos);
AMIGA.playfield.decide_line(c_hpos);
AMIGA.playfield.decide_fetch(c_hpos);
if (cop_state.movedelay > 0) {
cop_state.movedelay--;
@ -280,7 +270,7 @@ function Copper() {
}
}
if ((c_hpos == AMIGA.events.maxhpos - 3) && (AMIGA.events.maxhpos & 1))
if ((c_hpos == AMIGA.playfield.maxhpos - 3) && (AMIGA.playfield.maxhpos & 1))
c_hpos += 1;
else
c_hpos += 2;
@ -309,8 +299,6 @@ function Copper() {
if (this.copper_cant_read(old_hpos, 1))
continue;
cop_state.state = COP_strobe_delay2;
//alloc_cycle(old_hpos, CYCLE_COPPER);
//if (debug_dma) record_dma (0x8c, AMIGA.mem.load16_chip(cop_state.ip), cop_state.ip, old_hpos, vpos, DMARECORD_COPPER);
cop_state.ip += 2;
break;
}
@ -318,10 +306,6 @@ function Copper() {
// Second cycle after COPJMP. This is the strange one.
// This cycle does not need to be free
// But it still gets allocated by copper if it is free = CPU and blitter can't use it.
/*if (this.copper_cant_read(old_hpos, 1)) {
alloc_cycle (old_hpos, CYCLE_COPPER);
if (debug_dma) record_dma (0x1fe, AMIGA.mem.load16_chip(cop_state.ip), cop_state.ip, old_hpos, vpos, DMARECORD_COPPER);
}*/
cop_state.state = COP_read1;
// Next cycle finally reads from new pointer
if (cop_state.strobe == 1)
@ -343,8 +327,6 @@ function Copper() {
// but is not allocated, blitter or cpu can still use it.
if (this.copper_cant_read(old_hpos, 1))
continue;
//cycle_line[old_hpos] |= CYCLE_COPPER_SPECIAL;
//if (debug_dma) record_dma (0x1fe, AMIGA.mem.load16_chip(cop_state.ip), cop_state.ip, old_hpos, vpos, DMARECORD_COPPER);
cop_state.state = COP_read1;
// Next cycle finally reads from new pointer
if (cop_state.strobe == 1)
@ -358,8 +340,6 @@ function Copper() {
if (this.copper_cant_read(old_hpos, 1))
continue;
cop_state.state = COP_read1;
//alloc_cycle(old_hpos, CYCLE_COPPER);
//if (debug_dma) record_dma (0x1fe, 0, 0xffffffff, old_hpos, vpos, DMARECORD_COPPER);
cop_state.ip = this.cop1lc;
break;
}
@ -374,9 +354,8 @@ function Copper() {
clr_special(SPCFLAG_COPPER);
return;
}
cop_state.i1 = AMIGA.mem.load16_chip(cop_state.ip);
//alloc_cycle(old_hpos, CYCLE_COPPER);
//if (debug_dma) record_dma (0x8c, cop_state.i1, cop_state.ip, old_hpos, vpos, DMARECORD_COPPER);
//cop_state.i1 = AMIGA.mem.load16_chip(cop_state.ip);
cop_state.i1 = AMIGA.custom.last_value = AMIGA.mem.chip.data[cop_state.ip >>> 1];
cop_state.ip += 2;
cop_state.state = COP_read2;
break;
@ -384,8 +363,8 @@ function Copper() {
case COP_read2: {
if (this.copper_cant_read(old_hpos, 1))
continue;
cop_state.i2 = AMIGA.mem.load16_chip(cop_state.ip);
//alloc_cycle(old_hpos, CYCLE_COPPER);
//cop_state.i2 = AMIGA.mem.load16_chip(cop_state.ip);
cop_state.i2 = AMIGA.custom.last_value = AMIGA.mem.chip.data[cop_state.ip >>> 1];
cop_state.ip += 2;
cop_state.saved_i1 = cop_state.i1;
cop_state.saved_i2 = cop_state.i2;
@ -397,18 +376,16 @@ function Copper() {
cop_state.state = COP_skip_in2;
else
cop_state.state = COP_wait_in2;
//if (debug_dma) record_dma (0x8c, cop_state.i2, cop_state.ip - 2, old_hpos, vpos, DMARECORD_COPPER);
} else { // MOVE
//uaecptr debugip = cop_state.ip;
var reg = cop_state.i1 & 0x1fe;
var data = cop_state.i2;
cop_state.state = COP_read1;
//if (debug_dma) record_dma (reg, data, cop_state.ip - 2, old_hpos, vpos, DMARECORD_COPPER);
this.test_copper_dangerous(reg);
if (!this.enabled_thisline) {
//goto out; // was 'dangerous' register -> copper stopped
cop_state.hpos = c_hpos;
last_copper_hpos = until_hpos;
this.last_copper_hpos = until_hpos;
return;
}
if (cop_state.ignore_next)
@ -423,37 +400,41 @@ function Copper() {
cop_state.strobe = 2;
cop_state.state = COP_strobe_delay1;
} else {
/*#if 0
event2_newevent2 (1, (reg << 16) | data, copper_write);
#else*/
// FIX: all copper writes happen 1 cycle later than CPU writes
if (customdelay[reg >> 1]) {
cop_state.moveaddr = reg;
cop_state.movedata = data;
cop_state.movedelay = customdelay[cop_state.moveaddr >> 1];
} else {
var hpos2 = old_hpos;
this.custom_store16_copper(hpos2, reg, data, 0);
hpos2++;
//if (reg >= 0x140 && reg < 0x180 && hpos2 >= SPR0_HPOS && hpos2 < SPR0_HPOS + 4 * MAX_SPRITES) do_sprites(hpos2);
/*if (0) {
AMIGA.events.newevent2(1, (reg << 16) | data, function(v) { //copper_write);
AMIGA.copper.custom_store16_copper(AMIGA.playfield.hpos(), v >>> 16, v & 0xffff, 0);
});
//this.custom_store16_copper(old_hpos, reg, data, 0);
} else*/
{
// FIX: all copper writes happen 1 cycle later than CPU writes
if (customdelay[reg >> 1]) {
cop_state.moveaddr = reg;
cop_state.movedata = data;
cop_state.movedelay = customdelay[cop_state.moveaddr >> 1];
} else {
var hpos2 = old_hpos;
this.custom_store16_copper(hpos2, reg, data, 0);
hpos2++;
if (reg >= 0x140 && reg < 0x180 && hpos2 >= SPR0_HPOS && hpos2 < SPR0_HPOS + 4 * MAX_SPRITES)
AMIGA.playfield.do_sprites(hpos2);
}
}
//#endif
}
//if (debug_copper && !cop_state.ignore_next) record_copper (debugip - 4, old_hpos, vpos);
cop_state.ignore_next = 0;
}
break;
}
case COP_wait1: {
/*#if 0
if (c_hpos >= (AMIGA.events.maxhpos & ~1) || (c_hpos & 1)) break;
#endif*/
/*#if 0
if (c_hpos >= (AMIGA.playfield.maxhpos & ~1) || (c_hpos & 1)) break;
#endif*/
cop_state.state = COP_wait;
cop_state.vcmp = (cop_state.saved_i1 & (cop_state.saved_i2 | 0x8000)) >> 8;
cop_state.hcmp = (cop_state.saved_i1 & cop_state.saved_i2 & 0xfe);
vp = AMIGA.events.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
vp = AMIGA.playfield.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
if (cop_state.saved_i1 == 0xffff && cop_state.saved_i2 == 0xfffe) {
cop_state.state = COP_waitforever;
@ -461,7 +442,7 @@ function Copper() {
clr_special(SPCFLAG_COPPER);
//goto out;
cop_state.hpos = c_hpos;
last_copper_hpos = until_hpos;
this.last_copper_hpos = until_hpos;
return;
}
if (vp < cop_state.vcmp) {
@ -469,7 +450,7 @@ function Copper() {
clr_special(SPCFLAG_COPPER);
//goto out;
cop_state.hpos = c_hpos;
last_copper_hpos = until_hpos;
this.last_copper_hpos = until_hpos;
return;
}
}
@ -488,7 +469,6 @@ function Copper() {
/* Now we know that the comparisons were successful. We might still have to wait for the blitter though. */
if ((cop_state.saved_i2 & 0x8000) == 0) {
//decide_blitter (old_hpos);
if (AMIGA.blitter.getState() != BLT_done) {
//We need to wait for the blitter.
cop_state.state = COP_bltwait;
@ -496,20 +476,17 @@ function Copper() {
clr_special(SPCFLAG_COPPER);
//goto out;
cop_state.hpos = c_hpos;
last_copper_hpos = until_hpos;
this.last_copper_hpos = until_hpos;
return;
} /*else {
if (debug_dma) record_dma_event (DMA_EVENT_COPPERWAKE, old_hpos, vp);
}*/
}
}
//if (debug_copper) record_copper (cop_state.ip - 4, old_hpos, vpos);
cop_state.state = COP_read1;
break;
}
case COP_skip1: {
var vcmp, hcmp, vp1, hp1;
if (c_hpos >= (AMIGA.events.maxhpos & ~1) || (c_hpos & 1))
if (c_hpos >= (AMIGA.playfield.maxhpos & ~1) || (c_hpos & 1))
break;
if (this.copper_cant_read(old_hpos, 0))
@ -517,14 +494,13 @@ function Copper() {
vcmp = (cop_state.saved_i1 & (cop_state.saved_i2 | 0x8000)) >> 8;
hcmp = (cop_state.saved_i1 & cop_state.saved_i2 & 0xfe);
vp1 = AMIGA.events.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
vp1 = AMIGA.playfield.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
hp1 = c_hpos & (cop_state.saved_i2 & 0xfe);
if ((vp1 > vcmp || (vp1 == vcmp && hp1 >= hcmp)) && ((cop_state.saved_i2 & 0x8000) != 0 || AMIGA.blitter.getState() == BLT_done))
cop_state.ignore_next = 1;
cop_state.state = COP_read1;
//if (debug_copper) record_copper (cop_state.ip - 4, old_hpos, vpos);
break;
}
}
@ -532,7 +508,7 @@ function Copper() {
//out:
cop_state.hpos = c_hpos;
last_copper_hpos = until_hpos;
this.last_copper_hpos = until_hpos;
}
this.compute_spcflag_copper = function (hpos) {
@ -545,18 +521,19 @@ function Copper() {
return;
if (cop_state.state == COP_wait) {
var vp = AMIGA.events.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
var vp = AMIGA.playfield.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
if (vp < cop_state.vcmp)
return;
}
// do not use past cycles if starting for the first time in this line
// (write to DMACON for example) hpos+1 for long lines
if (!wasenabled && cop_state.hpos < hpos && hpos < AMIGA.events.maxhpos) {
if (!wasenabled && cop_state.hpos < hpos && hpos < AMIGA.playfield.maxhpos) {
hpos = (hpos + 2) & ~1;
if (hpos > 226)
hpos = 226;
if (hpos > AMIGA.playfield.maxhpos_short)
hpos = AMIGA.playfield.maxhpos_short;
cop_state.hpos = hpos;
//BUG.info('compute_spcflag_copper() hpos %d %d', hpos, AMIGA.playfield.maxhpos_short);
}
// if COPJMPx was written while DMA was disabled, advance to next state,
@ -575,40 +552,39 @@ function Copper() {
//BUG.info('blitter_done_notify() hpos %d', hpos);
var vp = AMIGA.events.vpos;
var vp = AMIGA.playfield.vpos;
hpos += 3;
hpos &= ~1;
if (hpos >= AMIGA.events.maxhpos) {
hpos -= AMIGA.events.maxhpos;
if (hpos >= AMIGA.playfield.maxhpos) {
hpos -= AMIGA.playfield.maxhpos;
vp++;
}
cop_state.hpos = hpos;
cop_state.vpos = vp;
cop_state.state = COP_read1;
//if (debug_dma) record_dma_event (DMA_EVENT_COPPERWAKE, hpos, vp);
if (AMIGA.dmaen(DMAF_COPEN) && vp == AMIGA.events.vpos) {
if (AMIGA.dmaen(DMAF_COPEN) && vp == AMIGA.playfield.vpos) {
this.enabled_thisline = true;
set_special(SPCFLAG_COPPER);
}
}
this.cycle = function () {
this.update_copper(AMIGA.events.hpos());
this.update(AMIGA.playfield.hpos());
}
this.sync_copper_with_cpu = function (hpos, do_schedule) {
/* Need to let the copper advance to the current position. */
if (this.enabled_thisline)
this.update_copper(hpos);
this.update(hpos);
}
this.check = function (n) {
if (cop_state.state == COP_wait) {
var vp = AMIGA.events.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
var vp = AMIGA.playfield.vpos & (((cop_state.saved_i2 >> 8) & 0x7f) | 0x80);
if (vp < cop_state.vcmp) {
if (this.enabled_thisline)
BUG.info('COPPER BUG %d: vp=%d vpos=%d vcmp=%d thisline=%d', n, vp, AMIGA.events.vpos, cop_state.vcmp, this.enabled_thisline?1:0);
BUG.info('COPPER BUG %d: vp=%d vpos=%d vcmp=%d thisline=%d', n, vp, AMIGA.playfield.vpos, cop_state.vcmp, this.enabled_thisline?1:0);
}
}
}