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45 lines
1.7 KiB
45 lines
1.7 KiB
#ifdef SMP_CPP
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//this is the IPLROM for the S-SMP coprocessor.
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//the S-SMP does not allow writing to the IPLROM.
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//all writes are instead mapped to the extended
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//RAM region, accessible when $f1.d7 is clear.
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const uint8 SMP::iplrom[64] = {
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/*ffc0*/ 0xcd, 0xef, //mov x,#$ef
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/*ffc2*/ 0xbd, //mov sp,x
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/*ffc3*/ 0xe8, 0x00, //mov a,#$00
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/*ffc5*/ 0xc6, //mov (x),a
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/*ffc6*/ 0x1d, //dec x
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/*ffc7*/ 0xd0, 0xfc, //bne $ffc5
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/*ffc9*/ 0x8f, 0xaa, 0xf4, //mov $f4,#$aa
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/*ffcc*/ 0x8f, 0xbb, 0xf5, //mov $f5,#$bb
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/*ffcf*/ 0x78, 0xcc, 0xf4, //cmp $f4,#$cc
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/*ffd2*/ 0xd0, 0xfb, //bne $ffcf
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/*ffd4*/ 0x2f, 0x19, //bra $ffef
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/*ffd6*/ 0xeb, 0xf4, //mov y,$f4
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/*ffd8*/ 0xd0, 0xfc, //bne $ffd6
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/*ffda*/ 0x7e, 0xf4, //cmp y,$f4
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/*ffdc*/ 0xd0, 0x0b, //bne $ffe9
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/*ffde*/ 0xe4, 0xf5, //mov a,$f5
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/*ffe0*/ 0xcb, 0xf4, //mov $f4,y
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/*ffe2*/ 0xd7, 0x00, //mov ($00)+y,a
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/*ffe4*/ 0xfc, //inc y
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/*ffe5*/ 0xd0, 0xf3, //bne $ffda
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/*ffe7*/ 0xab, 0x01, //inc $01
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/*ffe9*/ 0x10, 0xef, //bpl $ffda
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/*ffeb*/ 0x7e, 0xf4, //cmp y,$f4
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/*ffed*/ 0x10, 0xeb, //bpl $ffda
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/*ffef*/ 0xba, 0xf6, //movw ya,$f6
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/*fff1*/ 0xda, 0x00, //movw $00,ya
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/*fff3*/ 0xba, 0xf4, //movw ya,$f4
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/*fff5*/ 0xc4, 0xf4, //mov $f4,a
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/*fff7*/ 0xdd, //mov a,y
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/*fff8*/ 0x5d, //mov x,a
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/*fff9*/ 0xd0, 0xdb, //bne $ffd6
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/*fffb*/ 0x1f, 0x00, 0x00, //jmp ($0000+x)
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/*fffe*/ 0xc0, 0xff //reset vector location ($ffc0)
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};
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#endif
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