130 lines
2.8 KiB
C++
130 lines
2.8 KiB
C++
/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "types.h"
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#include "mgenord.h"
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#include "magic.h"
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#include "rtq.h"
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#include <mem.h>
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#include <i86.h>
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#include <assert.h>
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#include "mplib.h"
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#define CHUNNEL_INT 0x48
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typedef union REGS REGISTERS;
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void
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Yield(void)
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{
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REGISTERS regs;
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regs.w.ax = 0x1680;
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int386(0x2f, ®s, ®s);
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}
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void
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PostWindowsMessage(void)
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{
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REGISTERS regs;
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regs.x.eax = DPMIAPI_POST_WINDOWS_ORD << 16 | MGENVXD_DEVICE_ID;
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regs.x.ebx = 0;
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regs.x.ecx = 0;
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int386(CHUNNEL_INT, ®s, ®s);
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}
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int MGenGetQueueCtr(int qNo)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_GETQUEUECTR_ORD << 16 | MGENVXD_DEVICE_ID;
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regs.x.ebx = qNo;
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int386(CHUNNEL_INT, ®s, ®s);
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return regs.x.eax;
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}
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RTQ_NODE *MGenMoveTo(int qFrom, int qTo)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_MOVENODE_ORD << 16 | MGENVXD_DEVICE_ID;
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regs.x.ebx = qFrom;
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regs.x.ecx = qTo;
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int386(CHUNNEL_INT, ®s, ®s);
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return (RTQ_NODE *) regs.x.eax;
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}
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RTQ_NODE *MGenGetNode(int q)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_GETNODE_ORD << 16 | MGENVXD_DEVICE_ID;
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regs.x.ebx = q;
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int386(CHUNNEL_INT, ®s, ®s);
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return (RTQ_NODE *) regs.x.eax;
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}
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RTQ_NODE *MGenGetMasterNode(unsigned *size)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_MASTERNODE_ORD << 16 | MGENVXD_DEVICE_ID;
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int386(CHUNNEL_INT, ®s, ®s);
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*size = regs.x.ecx;
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return (RTQ_NODE *) regs.x.eax;
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}
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int MGenFlushNodes(int qFrom, int qTo)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_FLUSHNODE_ORD << 16 | MGENVXD_DEVICE_ID;
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regs.x.ebx = qFrom;
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regs.x.ecx = qTo;
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int386(CHUNNEL_INT, ®s, ®s);
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return regs.x.eax;
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}
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int MGenMCount(unsigned lowerOrderBits, unsigned upperOrderBits)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_MCOUNT_ORD << 16 | MGENVXD_DEVICE_ID;
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regs.x.ebx = lowerOrderBits;
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regs.x.ecx = upperOrderBits;
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int386(CHUNNEL_INT, ®s, ®s);
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return regs.x.eax;
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}
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int MGenSanityCheck(void)
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{
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REGISTERS regs;
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regs.x.eax = MGENVXD_SANITYCHECK_ORD << 16 | MGENVXD_DEVICE_ID;
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int386(CHUNNEL_INT, ®s, ®s);
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return regs.x.eax;
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}
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