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was still in DOS format - changed that to Unix

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This commit is contained in:
Markus Fröschle
2013-08-11 13:46:25 +00:00
parent de2026e3ca
commit 4ace47e0e0
1 changed files with 1003 additions and 982 deletions
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47
BaS_gcc/sources/exceptions.S
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@@ -551,7 +551,7 @@ irq6: // MFP interrupt from FPGA
lea MCF_EPORT_EPFR,a5 // clear int6 from edge port
bset #6,(a5)
// there was a potential bug here befor: would also clear all other edge port interrupts that might have happened...
// there was a potential bug here before: would also clear all other edge port interrupts that might have happened...
// move.b #0x40,(a5) // clear int6 from edge port
// screen adr change timed out?
@@ -605,24 +605,35 @@ irq6_sca_pn1c:
move.l d3,a1
move.l #0x10000,d4 // one whole page (1 MB)
#define _DO_CPU_COPY
#ifndef _DO_CPU_COPY
// experiment: do video page copy using Coldfire DMA
lea -11 * 4(sp),sp
clr.l -(sp) // no special functions
move.l #MCD_SINGLE_DMA|MCD_TT_FLAGS_CW|MCD_TT_FLAGS_RL|MCD_TT_FLAGS_SP,-(sp)
mov3q #7,-(sp) // highest DMA priority
move.l #DMA_ALWAYS,-(sp) // do memory to memory DMA
move.l #4,-(sp) // copy 4 bytes at a time
move.l #0x100000,-(sp) // copy 1 Megabyte
mov3q #4,-(sp) // destination increment
move.l #4,-(sp) // destination increment
move.l a1,-(sp) // destination adress
mov3q #4,-(sp) // source increment
move.l #4,-(sp) // source increment
move.l a0,-(sp) // source adress
mov3q #1,-(sp) // channel 1
move.l #1,-(sp) // channel 1
jsr _MCD_startDma
lea 11 * 4(sp),sp // adjust stack
wait_dma_finished:
clr.l -(sp)
jsr _MCD_dmaStatus
addq.l #4,sp
tst.l d0
cmp.l #6,d0
bne wait_dma_finished
// intentionally no wait for the DMA to finish
#else
irq6_vcd0_loop:
@@ -632,7 +643,6 @@ irq6_vcd0_loop:
move.l (a0)+,(a1)+
subq.l #1,d4
bne irq6_vcd0_loop
nop
#endif /* _DO_CPU_COPY */
irq6_sca_pn:
@@ -644,8 +654,8 @@ irq6_sca_pn:
move.l d0,_video_tlb // anfangszustand wieder herstellen
clr.l _video_sbt // zeit löschen
movem.l (a7),d0-d4/a0-a1 // restore registers
lea 28(a7),a7
movem.l (sp),d0-d4/a0-a1 // restore registers
lea 7 * 4(sp),sp
irq6_non_sca:
// test auf acsi dma -----------------------------------------------------------------
@@ -756,7 +766,7 @@ acsi_dma_start:
bne acsi_dma_wl // ja->
acsi_dma_rl:
tst.b -4(a5) // dma req?
bpl acsi_dma_finished // nein->
bpl acsi_dma_finished // nein->
move.l (a5),(a1)+ // read 4 bytes
move.l (a5),(a1)+ // read 4 bytes
move.l (a5),(a1)+ // read 4 bytes
@@ -905,6 +915,7 @@ video_copy_data:
add.l #0x60000000,a1
move.l #0x10000,d4 // die ganze page
#define _DO_CPU_COPY
#ifndef _DO_CPU_COPY
// experiment: do video page copy using Coldfire DMA
@@ -912,20 +923,30 @@ video_copy_data:
move.l d0,-(sp) // save d0
clr.l -(sp) // no special functions
move.l MCD_SINGLE_DMA|MCD_TT_FLAGS_CW|MCD_TT_FLAGS_RL|MCD_TT_FLAGS_SP,-(sp)
move.l #MCD_SINGLE_DMA|MCD_TT_FLAGS_CW|MCD_TT_FLAGS_RL|MCD_TT_FLAGS_SP,-(sp)
mov3q #7,-(sp) // highest DMA priority
move.l #DMA_ALWAYS,-(sp) // do memory to memory DMA
move.l #4,-(sp) // copy 4 bytes at a time
move.l #0x100000,-(sp) // copy 1 Megabyte
mov3q #4,-(sp) // destination increment
move.l #4,-(sp) // destination increment
move.l a1,-(sp) // destination adress
mov3q #4,-(sp) // source increment
move.l #4,-(sp) // source increment
move.l a0,-(sp) // source adress
mov3q #1,-(sp) // channel 1
move.l #1,-(sp) // channel 1
jsr _MCD_startDma
.wait_dma_finished:
clr.l -(sp)
jsr _MCD_dmaStatus
addq.l #4,sp
tst.l d0
cmp.l #6,d0
bne .wait_dma_finished
lea 11 * 4(sp),sp // adjust stack
move.l (sp)+,d0 // restore d0
#else
video_copy_data_loop:
move.l (a0)+,(a1)+
@@ -977,6 +998,6 @@ video_chg_end:
bset.b #0,3(a0)
movem.l (a7),d0-d4/a0-a1 // restore saved registers
lea 28(a7),a7
lea 7 * 4(sp),a7
rte